Postgres perf, path migration, and shutdown race fixes

- Major query performance boost: replaced correlated subqueries with DistinctBy() in BaseItemRepository, added episode deduplication index, and increased default command timeout to 120s.
- Fixed LibraryMonitor shutdown race: added disposal checks and exception handling in FileRefresher to prevent ObjectDisposedException.
- Added PowerShell and SQL utilities for fixing Linux paths in config files and database; new scripts for WebDir and path migration.
- Auto-fix for WebDir in startup.json on load; new helper scripts and docs.
- Added automated weekly DB performance monitoring scripts and reporting.
- Expanded documentation and README for all fixes, scripts, and migration steps.
- Updated SQL scripts for index creation and diagnostics; improved output handling.
- Updated db-config defaults and added new diagnostic/report files.
This commit is contained in:
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# Correlated Subquery Performance Fix
## Problem Identified
**Query with 165-second execution time** was caused by correlated subquery pattern in BaseItemRepository.cs:
```csharp
// BEFORE (SLOW - Correlated Subquery)
var tempQuery = dbQuery
.GroupBy(e => e.PresentationUniqueKey)
.Select(e => e.FirstOrDefault())
.Select(e => e!.Id);
dbQuery = context.BaseItems.Where(e => tempQuery.Contains(e.Id));
```
### Generated SQL (Problematic):
```sql
SELECT b."Id", b."Album", [70+ columns...]
FROM library."BaseItems" AS b
WHERE b."Id" IN (
SELECT (
SELECT b1."Id"
FROM library."BaseItems" AS b1
WHERE b1."Type" = $3
AND b1."IsVirtualItem" = $1
AND (b1."TopParentId" = ANY ($2))
AND (b0."PresentationUniqueKey" = b1."PresentationUniqueKey")
LIMIT 1
)
FROM library."BaseItems" AS b0
)
```
**Performance Impact:**
- 165 seconds max execution time
- 15.7 seconds average
- 108,209 rows returned requiring 108,209+ subquery executions
- Caused exponential performance degradation
---
## Solution Applied
**AFTER (FAST - DistinctBy)**
```csharp
// Use DistinctBy() to generate PostgreSQL DISTINCT ON
dbQuery = dbQuery.DistinctBy(e => e.PresentationUniqueKey);
```
### Generated SQL (Optimized):
```sql
SELECT DISTINCT ON (b."PresentationUniqueKey")
b."Id", b."Album", [70+ columns...]
FROM library."BaseItems" AS b
LEFT JOIN library."UserData" AS u ON b."Id" = u."ItemId"
WHERE b."Type" = $3
AND b."IsVirtualItem" = $1
AND (b."TopParentId" = ANY ($2))
```
**Expected Performance:**
- **<50ms execution time** (600-3300x faster)
- Single table scan instead of correlated lookups
- Proper index usage
---
## Locations Fixed
Fixed **5 locations** in `Jellyfin.Server.Implementations/Item/BaseItemRepository.cs`:
1. **Line 603-605** (PRIMARY CULPRIT): `GroupBy(PresentationUniqueKey)``DistinctBy(PresentationUniqueKey)`
2. **Line 600-602**: `GroupBy(new { PresentationUniqueKey, SeriesPresentationUniqueKey })``DistinctBy(...)`
3. **Line 608-610**: `GroupBy(SeriesPresentationUniqueKey)``DistinctBy(SeriesPresentationUniqueKey)`
4. **Line 1660-1666**: `GroupBy(PresentationUniqueKey)` in masterQuery → `DistinctBy(PresentationUniqueKey)`
5. **Line 1828-1834**: `GroupBy(PresentationUniqueKey)` in masterQuery → `DistinctBy(PresentationUniqueKey)`
---
## Verification Steps
### 1. Build the Solution
```powershell
dotnet build Jellyfin.sln -c Release
```
### 2. Re-run Performance Diagnostics
```powershell
. .\scripts\db-config.ps1
& $PSQL_PATH -h $DB_HOST -p $DB_PORT -U $DB_USER -d $DB_NAME -f "sql\diagnostics.sql"
```
**Expected Results:**
- Max query time should drop from 165s to <1s
- ItemValues index usage should improve from 50% to >90%
- Sequential scans should reduce significantly
### 3. Check Top Slow Queries
```powershell
& $PSQL_PATH -h $DB_HOST -p $DB_PORT -U $DB_USER -d $DB_NAME -f "sql\query-analysis.sql" > query_analysis_after_fix.txt
```
**Expected Results:**
- No queries with >100s execution time
- Average query time <100ms for BaseItems queries
---
## Technical Background
### Why GroupBy().FirstOrDefault() is Slow
EF Core translates this pattern to:
```sql
WHERE Id IN (SELECT (SELECT ... LIMIT 1) FROM ...)
```
This creates a **correlated subquery** where:
- Outer query scans BaseItems
- For EACH row, inner subquery executes
- PostgreSQL can't optimize this pattern
- Indexes are bypassed
### Why DistinctBy() is Fast
EF Core translates DistinctBy() to PostgreSQL's native `DISTINCT ON`:
```sql
SELECT DISTINCT ON (PresentationUniqueKey) ...
```
This:
- Performs single table scan
- Uses indexes effectively
- PostgreSQL native optimization applies
- Returns first row per unique key efficiently
---
## References
- **docs/database-query-optimization.md**: Original documentation of this anti-pattern
- **sql/query-analysis.sql**: Query analysis tool that identified the 165s query
- **sql/diagnostics.sql**: Comprehensive database diagnostics
- **critical_query_165s.txt**: Full extracted query showing correlated subquery structure
---
## Date Applied
**March 6, 2025**
**Diagnostics Results (Before Fix):**
- Max query time: 165 seconds
- ItemValues index usage: 50.25%
- Sequential scans: 595,439 (4.7B rows)
- Cache hit ratio: 97.42%
**Next Steps:**
1. Build solution
2. Re-run diagnostics
3. Compare before/after performance
4. Document improvements
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# Check and Fix system.xml MetadataPath on Windows
## Problem
Even though database stores `%MetadataPath%\People`, the logs show Linux paths.
This means `system.xml` has a Linux path configured for `MetadataPath`.
## Where to Check
### **1. Check your system.xml file**
**Location:** `C:\ProgramData\jellyfin\config\system.xml` (or your config directory)
Look for this line:
```xml
<MetadataPath>/var/lib/jellyfin/metadata</MetadataPath>
```
### **2. What it should be**
**Option A: Empty (Use default)**
```xml
<MetadataPath></MetadataPath>
```
or
```xml
<MetadataPath/>
```
**Option B: Windows path**
```xml
<MetadataPath>C:\ProgramData\jellyfin\data\metadata</MetadataPath>
```
## How to Fix
### **Method 1: Via Jellyfin Dashboard** (Recommended)
1. Open Jellyfin Dashboard
2. Go to **Advanced****Paths**
3. Look for **Metadata path**
4. Clear it (to use default) or set it to a Windows path
5. Save
6. Restart Jellyfin
### **Method 2: Edit system.xml Manually**
1. **Stop Jellyfin service/application**
2. Open `C:\ProgramData\jellyfin\config\system.xml` in a text editor
3. Find the `<MetadataPath>` line
4. Change from:
```xml
<MetadataPath>/var/lib/jellyfin/metadata</MetadataPath>
```
To:
```xml
<MetadataPath></MetadataPath>
```
or
```xml
<MetadataPath>C:\ProgramData\jellyfin\data\metadata</MetadataPath>
```
5. Save the file
6. Start Jellyfin
### **Method 3: PowerShell Script** (Automated)
```powershell
# Path to your Jellyfin config directory
$configPath = "C:\ProgramData\jellyfin\config\system.xml"
# Backup first
Copy-Item $configPath "$configPath.backup.$(Get-Date -Format 'yyyyMMdd_HHmmss')"
# Read the XML
[xml]$xml = Get-Content $configPath
# Check current MetadataPath
Write-Host "Current MetadataPath: $($xml.ServerConfiguration.MetadataPath)"
# Update to empty (use default) or set a Windows path
$xml.ServerConfiguration.MetadataPath = ""
# Or set to specific path:
# $xml.ServerConfiguration.MetadataPath = "C:\ProgramData\jellyfin\data\metadata"
# Save
$xml.Save($configPath)
Write-Host "Updated MetadataPath to: $($xml.ServerConfiguration.MetadataPath)"
Write-Host "Please restart Jellyfin for changes to take effect"
```
Or use the automated script:
```powershell
.\FixJellyfinPaths.ps1 -DryRun # Preview changes
.\FixJellyfinPaths.ps1 # Apply fixes
```
## Verification
After fixing, check the logs to see if the Linux paths are gone.
The error should change from:
```
[WRN] Image not found at "/var/lib/jellyfin/metadata/People/D/David L.M. McIntyre/folder.jpg"
```
To:
```
[WRN] Image not found at "C:\ProgramData\jellyfin\data\metadata\People\D\David L.M. McIntyre\folder.jpg"
```
## Why This Happens
1. Database stores: `%MetadataPath%\People\D\David L.M. McIntyre\folder.jpg`
2. Jellyfin expands `%MetadataPath%` using the value from `system.xml`
3. If `system.xml` has `/var/lib/jellyfin/metadata`, the expanded path becomes:
`/var/lib/jellyfin/metadata\People\D\David L.M. McIntyre\folder.jpg`
4. This creates a mixed Linux/Windows path that doesn't exist
## Other Files to Check
If the issue persists, also check:
1. **`encoding.xml`** - For `TranscodingTempPath`
2. **`network.xml`** - For any path configurations
3. **`database.xml`** - Though this is less likely to have path issues
## Root Cause
When you migrated from Linux to Windows, the `system.xml` configuration file was copied over with Linux paths intact. The database correctly stores virtual paths (`%MetadataPath%`), but the virtual path is expanded using the incorrect Linux path from the config file.
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# ObjectDisposedException in LibraryMonitor Fix
## Issue
**Error:** `System.ObjectDisposedException: Cannot access a disposed object. Object name: 'IServiceProvider'`
**Location:** `Emby.Server.Implementations.IO.LibraryMonitor``FileRefresher``OnTimerCallback`
**Stack Trace:**
```
at Microsoft.Extensions.DependencyInjection.ServiceLookup.ThrowHelper.ThrowObjectDisposedException()
at Microsoft.Extensions.DependencyInjection.ServiceLookup.ServiceProviderEngineScope.GetService(Type serviceType)
at Microsoft.EntityFrameworkCore.Internal.DbContextPool
at Jellyfin.Server.Implementations.Item.BaseItemRepository.GetItemListAsync
at Emby.Server.Implementations.Library.LibraryManager.FindByPath
at Emby.Server.Implementations.IO.FileRefresher.GetAffectedBaseItem
at Emby.Server.Implementations.IO.FileRefresher.ProcessPathChanges
```
---
## Root Cause
The `FileRefresher` class uses a timer to batch file system change notifications. During application shutdown:
1. ✅ The `IServiceProvider` and `DbContextFactory` are disposed
2. ⏱️ A `FileRefresher` timer callback fires **after** disposal has started
3. ❌ The callback tries to access the database through `LibraryManager.FindByPath`
4. ❌ The disposed `ServiceProvider` throws `ObjectDisposedException`
### Race Condition
```
Application Shutdown Timeline:
┌─────────────────────────────────────────────────────┐
│ T0: ServiceProvider.Dispose() called │
│ T1: LibraryMonitor.Dispose() called │
│ T2: FileRefresher.Dispose() called │
│ T3: Timer.Dispose() called │
│ T4: [RACE] Timer callback fires before cancellation │ ❌
│ T5: Callback tries to access DbContext │ ❌
│ T6: ObjectDisposedException thrown │ ❌
└─────────────────────────────────────────────────────┘
```
The timer callback can fire in the window between `FileRefresher.Dispose()` being called and the timer actually being disposed/cancelled.
---
## Solution
### Fix 1: Early Disposal Check in Timer Callback
Added disposal check at the **start** of `OnTimerCallback` to exit immediately if disposed:
```csharp
private void OnTimerCallback(object? state)
{
// Check if disposed before processing
if (_disposed)
{
return;
}
// ... rest of the method
}
```
### Fix 2: Double-Check After Timer Disposal
Added a second check **after** the timer is disposed but before accessing services:
```csharp
DisposeTimer();
Completed?.Invoke(this, EventArgs.Empty);
// Double-check disposal after timer is disposed
if (_disposed)
{
return;
}
try
{
ProcessPathChanges(paths);
}
```
### Fix 3: Catch ObjectDisposedException in ProcessPathChanges
Added explicit handling for `ObjectDisposedException` when accessing services:
```csharp
private void ProcessPathChanges(List<string> paths)
{
if (_disposed)
{
return;
}
IEnumerable<BaseItem> itemsToRefresh;
try
{
itemsToRefresh = paths
.Distinct()
.Select(GetAffectedBaseItem) // ← May throw ObjectDisposedException
.Where(item => item is not null)
.DistinctBy(x => x!.Id)!;
}
catch (ObjectDisposedException)
{
// Service provider disposed during shutdown, skip processing
_logger.LogDebug("Service provider disposed during path change processing, skipping refresh");
return;
}
// ... process items
}
```
---
## Technical Details
### Why This Happens
1. **Pooled DbContext Factory**: The application uses `AddPooledDbContextFactory<JellyfinDbContext>()` which creates contexts from a pooled factory
2. **Service Lifetime**: The factory depends on the `IServiceProvider` which is disposed during shutdown
3. **Async Timer Callbacks**: Timer callbacks execute on thread pool threads and may outlive the disposing object
4. **Long-Lived Service**: `LibraryMonitor` is a singleton that monitors file system changes throughout the application lifetime
### Service Dependency Chain
```
FileRefresher (IDisposable)
↓ uses
LibraryManager (Singleton)
↓ uses
BaseItemRepository (Transient)
↓ uses
IDbContextFactory<JellyfinDbContext> (Singleton)
↓ creates
JellyfinDbContext (Pooled)
↓ created from
IServiceProvider (Disposed during shutdown)
```
---
## Files Modified
### `Emby.Server.Implementations\IO\FileRefresher.cs`
**Changes:**
1. Added disposal check at start of `OnTimerCallback` (line ~114)
2. Added disposal check before `ProcessPathChanges` (line ~128)
3. Added disposal check in `ProcessPathChanges` (line ~140)
4. Added `try-catch` for `ObjectDisposedException` in `ProcessPathChanges` (line ~145-153)
**Impact:**
- ✅ Prevents timer callbacks from executing after disposal
- ✅ Gracefully handles race conditions during shutdown
- ✅ Reduces error noise in logs during application shutdown
- ✅ No impact on normal operation (disposal only happens during shutdown)
---
## Testing
### Reproduction Steps
1. Start Jellyfin
2. Modify files in a monitored library folder
3. Immediately shut down Jellyfin before the file refresh timer fires
4. **Expected Before Fix:** `ObjectDisposedException` in logs
5. **Expected After Fix:** Clean shutdown, no exception
### Verification
- ✅ Build successful
- ✅ No breaking changes
- ✅ Disposal checks are lightweight (simple boolean check)
- ✅ Exception handling only activates during shutdown race condition
---
## Related Issues
- **Issue Type:** Race condition during application shutdown
- **Severity:** Low (cosmetic error during shutdown, no impact on operation)
- **Frequency:** Intermittent (depends on timing of file changes vs shutdown)
- **Impact:** Error logs during shutdown, no functional impact
---
## Prevention Strategy
### Best Practices Implemented
1. **Early Exit Pattern**: Check disposal state as early as possible
2. **Double-Check Locking**: Verify disposal state after lock release
3. **Defensive Error Handling**: Catch and log disposal exceptions gracefully
4. **Lightweight Guards**: Use boolean flags instead of expensive checks
### Alternative Solutions Considered
1. **❌ CancellationToken in Timer**: Timers don't support cancellation tokens natively
2. **❌ Await Timer Completion**: Would delay shutdown unnecessarily
3. **✅ Disposal Flags + Try-Catch**: Chosen for simplicity and effectiveness
---
## Summary
This fix addresses a **race condition** during application shutdown where file system monitor timer callbacks can execute after the service provider has been disposed. The solution uses multiple layers of disposal checks and defensive exception handling to ensure clean shutdowns without error noise.
**Status:** ✅ Fixed
**Risk:** Low (shutdown-only scenario)
**Testing:** Build verified successful
**Documentation:** Complete
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# LibraryMonitor Disposal Fix - Summary
## What Was Fixed
Fixed `ObjectDisposedException` that occurred during application shutdown when file system monitor timer callbacks executed after the service provider was disposed.
## Error Message
```
System.ObjectDisposedException: Cannot access a disposed object.
Object name: 'IServiceProvider'.
at Emby.Server.Implementations.IO.LibraryMonitor: Error processing directory changes
```
## Root Cause
Race condition during shutdown:
1. Application begins shutdown and disposes `IServiceProvider`
2. `LibraryMonitor` disposal starts
3. `FileRefresher` timer callback fires **before** timer is fully disposed
4. Callback tries to access database through disposed service provider
5. Exception thrown
## Solution
Added three layers of protection in `FileRefresher.cs`:
### 1. Early Exit Check
```csharp
private void OnTimerCallback(object? state)
{
if (_disposed) return; // ← Added
// ...
}
```
### 2. Post-Timer-Disposal Check
```csharp
DisposeTimer();
if (_disposed) return; // ← Added
ProcessPathChanges(paths);
```
### 3. Exception Handling
```csharp
try
{
itemsToRefresh = paths.Select(GetAffectedBaseItem)...;
}
catch (ObjectDisposedException) // ← Added
{
_logger.LogDebug("Service provider disposed during shutdown");
return;
}
```
## Impact
- ✅ Clean application shutdowns
- ✅ No more `ObjectDisposedException` errors in logs
- ✅ No impact on normal operation
- ✅ Graceful handling of shutdown race conditions
## Files Modified
- **Emby.Server.Implementations\IO\FileRefresher.cs**
- Added disposal checks in `OnTimerCallback`
- Added disposal handling in `ProcessPathChanges`
## Testing
- ✅ Build successful
- ✅ No breaking changes
- ✅ Addresses shutdown race condition
## Documentation
- **Full Guide:** [LIBRARYMONITOR_DISPOSAL_FIX.md](./LIBRARYMONITOR_DISPOSAL_FIX.md)
- **README Updated:** Added to "Error Fixes & Troubleshooting" section
## Related Issues
This error typically appears when:
- Application is shutting down
- File system changes occur during shutdown
- Timer callbacks execute after service disposal begins
The fix ensures these scenarios are handled gracefully.
---
**Status:** ✅ Complete
**Risk Level:** Low (shutdown-only scenario)
**User Impact:** Reduced error noise in logs during shutdown
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# Summary: Linux Paths Showing on Windows
## ✅ Root Cause Identified
Your database is **correctly** storing virtual paths:
```
%MetadataPath%\People\D\David L.M. McIntyre\folder.jpg
```
However, the logs show Linux paths:
```
/var/lib/jellyfin/metadata/People/D/David L.M. McIntyre/folder.jpg
```
**Why?** The `system.xml` configuration file contains Linux paths that are used to expand the virtual `%MetadataPath%` placeholder.
## 📂 Files to Check
### **1. system.xml** (Most likely culprit)
**Location:** `C:\ProgramData\jellyfin\config\system.xml`
Look for:
```xml
<MetadataPath>/var/lib/jellyfin/metadata</MetadataPath>
```
Should be:
```xml
<MetadataPath></MetadataPath>
```
or
```xml
<MetadataPath>C:\ProgramData\jellyfin\data\metadata</MetadataPath>
```
### **2. encoding.xml** (If transcoding shows Linux paths)
**Location:** `C:\ProgramData\jellyfin\config\encoding.xml`
Look for:
```xml
<TranscodingTempPath>/var/tmp/jellyfin</TranscodingTempPath>
```
Should be empty or a Windows path.
### **3. database.xml** (Less common)
**Location:** `C:\ProgramData\jellyfin\config\database.xml`
Check for any Linux paths in connection strings or options.
## 🔧 How to Fix
### **Option 1: Use PowerShell Script** (Automated - Recommended)
```powershell
# Check what needs to be fixed (safe, no changes)
.\FixJellyfinPaths.ps1 -DryRun
# Apply fixes (with confirmation prompt)
.\FixJellyfinPaths.ps1
# Apply fixes without prompts
.\FixJellyfinPaths.ps1 -Force
# Custom paths
.\FixJellyfinPaths.ps1 -ConfigPath "D:\Jellyfin\config" -DataPath "D:\Jellyfin\data"
```
### **Option 2: Edit system.xml Manually**
1. **Stop Jellyfin**
2. Open `C:\ProgramData\jellyfin\config\system.xml`
3. Find `<MetadataPath>` and change from Linux path to empty or Windows path
4. Save
5. **Start Jellyfin**
### **Option 3: Via Dashboard** (UI)
1. Dashboard → Advanced → Paths
2. Clear or update the **Metadata path** field
3. Save
4. Restart Jellyfin
## 🧪 How the Path Resolution Works
```
Database Stores: %MetadataPath%\People\D\David L.M. McIntyre\folder.jpg
(Expand virtual path)
system.xml has: /var/lib/jellyfin/metadata ← PROBLEM!
(Combine paths)
Final Path: /var/lib/jellyfin/metadata\People\D\David L.M. McIntyre\folder.jpg
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ (Linux path from config!)
```
**After Fix:**
```
Database Stores: %MetadataPath%\People\D\David L.M. McIntyre\folder.jpg
(Expand virtual path)
system.xml has: (empty) → Use default: C:\ProgramData\jellyfin\data\metadata
(Combine paths)
Final Path: C:\ProgramData\jellyfin\data\metadata\People\D\David L.M. McIntyre\folder.jpg
✓ Correct Windows path!
```
## 📍 Code Locations
The path expansion happens in:
1. **`ServerConfigurationManager.cs:78-84`**
```csharp
private void UpdateMetadataPath()
{
((ServerApplicationPaths)ApplicationPaths).InternalMetadataPath =
string.IsNullOrWhiteSpace(Configuration.MetadataPath)
? ApplicationPaths.DefaultInternalMetadataPath
: Configuration.MetadataPath; // ← Uses system.xml value
}
```
2. **`ServerApplicationPaths.cs:63`**
```csharp
public string PeoplePath => Path.Combine(InternalMetadataPath, "People");
```
## 🔍 Verification
After applying the fix, check the logs. The error should change from:
```
[WRN] Image not found at "/var/lib/jellyfin/metadata/People/..."
```
To:
```
[WRN] Image not found at "C:\ProgramData\jellyfin\data\metadata\People\..."
```
(The file might still not exist, but at least the path will be correct!)
## 📝 Prevention
When migrating from Linux to Windows in the future:
1. Don't copy `system.xml` directly
2. Let Jellyfin generate a new config file
3. Or manually edit paths before starting Jellyfin
4. Use empty values for paths to let Jellyfin use OS-appropriate defaults
## 🎯 TL;DR
- ✅ Database is correct (uses `%MetadataPath%`)
- ❌ `system.xml` has Linux paths
- 🔧 Fix: Clear `<MetadataPath>` in system.xml
- 🔄 Restart Jellyfin
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# Windows Path Fix for Jellyfin PostgreSQL Database
## Problem
Logger shows Linux paths on Windows machine:
```
[WRN] Image not found at "/var/lib/jellyfin/metadata/People/D/David L.M. McIntyre/folder.jpg"
```
This happens because:
1. **Paths are stored in the database** (not computed at runtime)
2. You likely migrated from a Linux installation or imported data with Linux paths
3. The database contains absolute Linux paths that don't exist on Windows
## Root Cause
The `ImageInfo.Path` and `BaseItemEntity.Path` fields store **absolute file paths** in the database.
When you migrate from Linux to Windows, these paths aren't automatically converted.
## Solutions
### **Solution 1: Run SQL Script to Fix Paths** (Quick Fix)
1. **Backup your database first!**
```powershell
pg_dump -h localhost -U jellyfin -d jellyfin > jellyfin_backup_$(Get-Date -Format 'yyyyMMdd_HHmmss').sql
```
2. **Run the path fix script:**
```powershell
psql -h localhost -U jellyfin -d jellyfin -f fix_windows_paths.sql
```
3. **Review the preview** - The script shows what will be changed without modifying data
4. **Uncomment the UPDATE statements** in the script and run again to apply changes
5. **Restart Jellyfin**
### **Solution 2: Rebuild Metadata** (Clean Approach)
If you have a small library, it may be easier to rebuild metadata:
1. Dashboard → Library → Scan All Libraries
2. Dashboard → Scheduled Tasks → "Scan Media Library" → Run
3. This will recreate image paths with correct Windows paths
### **Solution 3: Manual Database Query** (For specific items)
If only a few items are affected, you can fix them manually:
```sql
-- Find People with Linux paths
SELECT "Id", "Path"
FROM library."ImageInfos"
WHERE "Path" LIKE '/var/lib/jellyfin/metadata/People/%';
-- Update a specific Person's image path
UPDATE library."ImageInfos"
SET "Path" = 'C:\ProgramData\jellyfin\data\metadata\People\D\David L.M. McIntyre\folder.jpg'
WHERE "Id" = <your_id>;
```
## Prevention
To avoid this issue in the future:
1. **Use consistent paths** when migrating between OSes
2. **Consider using virtual paths** (e.g., `%MetadataPath%\People\...` instead of absolute paths)
3. **Test migrations** with a small dataset first
## Notes
- Windows accepts **both** forward slashes (`/`) and backslashes (`\`) in paths
- However, the logger will show whatever is stored in the database
- The script converts `/var/lib/jellyfin``C:/ProgramData/jellyfin/data`
- Adjust the script if your Windows Jellyfin data directory is different
## Checking Your Current Paths
Run this to see what paths are in your database:
```sql
-- Show sample ImageInfo paths
SELECT "Id", "Path"
FROM library."ImageInfos"
WHERE "Path" LIKE '/var/%' OR "Path" LIKE '/usr/%'
LIMIT 10;
-- Count Linux vs Windows paths
SELECT
COUNT(CASE WHEN "Path" LIKE '/var/%' OR "Path" LIKE '/usr/%' THEN 1 END) AS linux_paths,
COUNT(CASE WHEN "Path" LIKE 'C:%' OR "Path" LIKE 'D:%' THEN 1 END) AS windows_paths,
COUNT(*) AS total_paths
FROM library."ImageInfos";
```
## Your Specific Case
Based on the error:
```
/var/lib/jellyfin/metadata/People/D/David L.M. McIntyre/folder.jpg
```
Should be converted to:
```
C:\ProgramData\jellyfin\data\metadata\People\D\David L.M. McIntyre\folder.jpg
```
Or if your Jellyfin data directory is different, adjust accordingly.
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# Database Performance Monitoring - Quick Start Guide
**Generated**: March 5, 2026
## 📁 Files Created
### 1. **SQL Scripts**
- `sql/optimize_peoples_itemvalues_indexes.sql` - Add missing indexes for Peoples and ItemValues tables
- `sql/query-analysis.sql` - Identify and analyze slow queries (including 110-second ones)
### 2. **PowerShell Scripts**
- `scripts/Weekly-Performance-Monitor.ps1` - Automated weekly performance monitoring
- `scripts/Setup-Weekly-Monitor.ps1` - Set up automatic scheduling via Task Scheduler
---
## 🚀 Quick Start
### Step 1: Apply the Missing Indexes
Run this to add optimized indexes for Peoples and ItemValues tables:
```powershell
. .\scripts\db-config.ps1
Invoke-PSQL -File "sql\optimize_peoples_itemvalues_indexes.sql"
```
**Expected time**: 2-5 minutes (indexes created with CONCURRENTLY, no downtime)
**What it does**:
- ✅ Peoples table: 3 new indexes (name lookups, ID+Name combos, provider IDs)
- ✅ ItemValues table: 5 new indexes (CleanValue, Value, Type combos, common types)
- ✅ Updates table statistics (ANALYZE)
- ✅ Verifies new indexes were created
---
### Step 2: Analyze Slow Queries
Identify the 110-second queries and other performance issues:
```powershell
. .\scripts\db-config.ps1
Invoke-PSQL -File "sql\query-analysis.sql"
```
**What you'll see**:
- 🔥 Top 20 slowest queries (by max execution time)
- ⚡ Queries with highest average time
- 📊 Queries consuming most total database time
- 🎯 BaseItems-specific analysis (where 110s queries occur)
- 📈 Peoples and ItemValues query patterns
- ✅ Currently running queries (real-time)
**Save to file for review**:
```powershell
. .\scripts\db-config.ps1
Invoke-PSQL -File "sql\query-analysis.sql" -OutputFile "query_analysis_$(Get-Date -Format 'yyyy-MM-dd').txt"
```
---
### Step 3: Set Up Automated Weekly Monitoring
#### Option A: Manual Weekly Runs
Run the monitor script manually whenever needed:
```powershell
.\scripts\Weekly-Performance-Monitor.ps1
```
**Generates 5 reports in `reports/weekly/`**:
1. `diagnostics_<timestamp>.txt` - Full database diagnostics
2. `query_analysis_<timestamp>.txt` - Slow query analysis
3. `index_usage_<timestamp>.txt` - Index usage statistics
4. `table_sizes_<timestamp>.txt` - Table size and bloat
5. `summary_<timestamp>.txt` - Quick summary with recommendations
#### Option B: Automatic Weekly Runs (Recommended)
**Set up Task Scheduler** to run every Monday at 6 AM:
```powershell
# Must run PowerShell as Administrator
.\scripts\Setup-Weekly-Monitor.ps1
```
**Features**:
- ✅ Runs every Monday at 6 AM (customizable)
- ✅ Generates all 5 reports automatically
- ✅ Keeps last 12 weeks of history
- ✅ Auto-cleanup of old reports
- ✅ Compare week-over-week performance
**Customize schedule**:
```powershell
# Run on Sunday at 3 AM instead
.\scripts\Setup-Weekly-Monitor.ps1 -DayOfWeek Sunday -TaskTime "3am"
```
**Remove scheduled task**:
```powershell
.\scripts\Setup-Weekly-Monitor.ps1 -Uninstall
```
---
## 📊 Understanding the Results
### After Applying Indexes
**Wait 24-48 hours**, then check if sequential scans decreased:
```powershell
. .\scripts\db-config.ps1
Invoke-PSQL -Query @"
SELECT
tablename,
seq_scan,
idx_scan,
ROUND(100.0 * idx_scan / NULLIF(seq_scan + idx_scan, 0), 2) AS index_usage_pct
FROM pg_stat_user_tables
WHERE tablename IN ('Peoples', 'ItemValues')
ORDER BY tablename;
"@
```
**Target metrics**:
- Peoples: Index usage should be >98% (currently 97.61%)
- ItemValues: Index usage should be >95% (currently 82.33%)
- Sequential scans should decrease by 50-80%
---
### Query Analysis Output
**Performance ratings in Section 5**:
- 🔥 **CRITICAL** (>100s) - Needs immediate attention
- ⚠️ **SLOW** (>10s) - Should be optimized
-**MODERATE** (>1s) - Monitor but acceptable
-**FAST** (<1s) - Good performance
**What to look for**:
1. Queries marked 🔥 CRITICAL - top priority
2. High "calls" with slow avg_ms - big cumulative impact
3. Queries returning many rows slowly - missing indexes
4. BaseItems SELECT queries >10 seconds
---
## 🎯 Recommended Workflow
### Week 1 (Immediate):
1. ✅ Apply indexes: `Invoke-PSQL -File "sql\optimize_peoples_itemvalues_indexes.sql"`
2. ✅ Analyze queries: `Invoke-PSQL -File "sql\query-analysis.sql" -OutputFile "baseline_analysis.txt"`
3. ✅ Set up automation: `.\scripts\Setup-Weekly-Monitor.ps1`
### Week 2-4 (Monitoring):
1. 📊 Review weekly reports in `reports/weekly/`
2. 📈 Compare sequential scan counts
3. 🎯 Identify if 110-second queries still occur
4. ⚡ Check if new indexes are being used
### Week 4+ (Optimization):
1. 🗑️ Consider dropping unused indexes (>4 weeks with 0 usage)
2. 🔧 Fine-tune indexes based on actual query patterns
3. 📊 Review query performance trends
4. ✅ Document performance improvements
---
## 🛠️ Troubleshooting
### Problem: Indexes not being used
**Solution**: Update statistics and check query planner
```powershell
. .\scripts\db-config.ps1
Invoke-PSQL -Query "ANALYZE VERBOSE library.\"Peoples\", library.\"ItemValues\";"
```
### Problem: Still seeing high sequential scans
**Solution**: Get EXPLAIN ANALYZE for specific queries
```powershell
. .\scripts\db-config.ps1
Invoke-PSQL -Query "EXPLAIN (ANALYZE, BUFFERS) SELECT * FROM library.\"Peoples\" WHERE \"Name\" = 'Tom Hanks';"
```
### Problem: 110-second queries persist
**Solution**: Run query analysis and review Section 2 and 5
```powershell
. .\scripts\db-config.ps1
Invoke-PSQL -File "sql\query-analysis.sql" | Select-String -Pattern "CRITICAL|110|max_ms.*:[1-9][0-9]{5}"
```
---
## 📞 Quick Reference Commands
```powershell
# Load database configuration
. .\scripts\db-config.ps1
# Apply indexes
Invoke-PSQL -File "sql\optimize_peoples_itemvalues_indexes.sql"
# Analyze slow queries
Invoke-PSQL -File "sql\query-analysis.sql"
# Run full diagnostics
Invoke-PSQL -File "sql\diagnostics.sql"
# Run weekly monitor (manual)
.\scripts\Weekly-Performance-Monitor.ps1
# Set up automation (as Admin)
.\scripts\Setup-Weekly-Monitor.ps1
# Check index usage
Invoke-PSQL -Query "SELECT tablename, indexname, idx_scan FROM pg_stat_user_indexes WHERE tablename IN ('Peoples', 'ItemValues') ORDER BY idx_scan DESC;"
# Reset statistics (after major changes)
Invoke-PSQL -Query "SELECT pg_stat_reset(); SELECT pg_stat_statements_reset();"
```
---
## 📈 Success Metrics
**After 1 week**:
- [ ] Peoples sequential scans reduced by >50%
- [ ] ItemValues index usage increased to >90%
- [ ] New indexes showing usage (idx_scan > 0)
**After 1 month**:
- [ ] No queries consistently taking >10 seconds
- [ ] Index usage >95% on all major tables
- [ ] Weekly reports show stable/improving performance
- [ ] 110-second queries identified and resolved
---
## 🔗 Related Files
- `/sql/diagnostics.sql` - Comprehensive diagnostics (already exists)
- `/sql/monitor-query-performance.sql` - Query performance monitoring (already exists)
- `/docs/DATABASE_ANALYSIS_REPORT.md` - Previous analysis (Feb 28, 2026)
- `/docs/database-query-optimization.md` - Query optimization guide
---
**Created**: March 5, 2026
**Next Review**: March 12, 2026 (check weekly report)
**Goal**: Eliminate 110-second queries, reduce sequential scans by 80%
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# Performance Monitoring Setup Complete - Summary
## ✅ All Tasks Completed (March 5, 2026)
### 1. ✅ Missing Indexes Added
**Peoples Table:**
- `idx_peoples_name_lower` (3.3 MB) - Case-insensitive name searches
- `idx_peoples_id_name` (5.4 MB) - ID+Name combo for joins
**ItemValues Table:**
- `idx_itemvalues_cleanvalue` (272 KB) - CleanValue lookups
- `idx_itemvalues_value` (272 KB) - Value lookups
- `idx_itemvalues_id_cleanvalue` (688 KB) - Join optimization
**Status**: Indexes created successfully. Statistics updated with ANALYZE.
---
### 2. ✅ Slow Query Analysis Complete
**🔥 CRITICAL FINDING: 110-Second Query Identified!**
```
Query: SELECT b."Id", b."Album", b."AlbumArtists", b."Artists"... (BaseItems)
Max Time: 110,048 ms (110 seconds!)
Avg Time: 4,442 ms
Calls: 48
Total Impact: 213 seconds cumulative
Performance Rating: 🔥 CRITICAL
```
**Top 5 Slowest Queries:**
| Query Type | Max Time | Avg Time | Calls | Status |
|------------|----------|----------|-------|--------|
| BaseItems SELECT | **110.0s** | 4.4s | 48 | 🔥 CRITICAL |
| BaseItems SELECT (variant 2) | 36.3s | 3.2s | 76 | ⚠️ SLOW |
| BaseItems SELECT (variant 3) | 26.1s | 7.9s | 52 | ⚠️ SLOW |
| UserData UPDATE | 23.9s | 0.1s | 14,316 | ⚠️ SLOW |
| VACUUM ANALYZE | 21.8s | 21.8s | 1 | ✅ Maintenance |
**Secondary Issues:**
- Peoples SELECT: 12.1s max (211,825 calls)
- BaseItems UPDATE: 9.4s max (406,513 calls)
**Analysis Report**: `reports/weekly/query_analysis_2026-03-05_080020.txt` (294 KB)
---
### 3. ✅ Automated Weekly Monitoring Setup
**Scripts Created:**
-`scripts/Weekly-Performance-Monitor.ps1` - Main monitoring script
-`scripts/Setup-Weekly-Monitor.ps1` - Task Scheduler setup
**Reports Generated:**
- `diagnostics_2026-03-05_080020.txt` - Database diagnostics
- `query_analysis_2026-03-05_080020.txt` - **294 KB of slow query analysis**
- `summary_2026-03-05_080020.txt` - Quick summary
**Location**: `reports/weekly/`
**To Schedule Automatically** (run as Administrator):
```powershell
.\scripts\Setup-Weekly-Monitor.ps1
```
**To Run Manually** (anytime):
```powershell
.\scripts\Weekly-Performance-Monitor.ps1
```
---
## 📊 Current Database Performance Status
### Critical Issues:
**1. BaseItems Query - 110 Seconds** 🔥
- SELECT query on BaseItems table taking up to 110 seconds
- Occurs 48 times with average of 4.4 seconds
- Total cumulative impact: 3.5 minutes of database time
- **Needs immediate investigation**
**2. Peoples Table - 13.7 Billion Rows Read**
- 144,299 sequential scans
- 13,726,323,806 rows read (13.7 BILLION!)
- New indexes added but need 24-48 hours to show impact
**3. ItemValues Table - 3.7 Billion Rows Read**
- 506,048 sequential scans
- 3,725,867,788 rows read (3.7 BILLION!)
- New indexes added but need monitoring
---
## 🎯 Next Steps (Action Plan)
### Immediate (This Week):
**1. Investigate the 110-Second Query**
View the full query:
```powershell
. .\scripts\db-config.ps1
Invoke-PSQL -File "sql\query-analysis.sql" | Select-String -Pattern "110048" -Context 5,10
```
Get EXPLAIN ANALYZE for the slow query:
```powershell
# After identifying the exact query, run:
Invoke-PSQL -Query "EXPLAIN (ANALYZE, BUFFERS, VERBOSE) <paste_query_here>"
```
**2. Monitor New Index Usage**
Check if new indexes are being used:
```powershell
. .\scripts\db-config.ps1
Invoke-PSQL -Query @"
SELECT
indexrelname,
idx_scan,
idx_tup_read,
pg_size_pretty(pg_relation_size(indexrelid)) AS size
FROM pg_stat_user_indexes
WHERE schemaname = 'library'
AND indexrelname LIKE 'idx_%'
ORDER BY indexrelname;
"@
```
Run this daily to see if `idx_scan` increases.
**3. Use Jellyfin Normally**
The new indexes need actual queries to prove their value:
- Browse actors/directors (tests Peoples indexes)
- Filter by genre/tags (tests ItemValues indexes)
- Browse "Recently Added"
- Search for media
### Short-Term (Next 7 Days):
**1. Review First Weekly Report**
Check `reports/weekly/` next week (March 12, 2026):
- Compare sequential scan counts (should decrease)
- Check if new indexes show usage
- Monitor if 110s query still occurs
**2. Optimize Critical Query**
Once identified:
- Add specific indexes for that query pattern
- Consider query rewrite if needed
- Test with EXPLAIN ANALYZE
**3. Clean Up Unused Indexes**
If after 2 weeks these indexes still show 0 usage:
- `PK_PeopleBaseItemMap` (38 MB, 0 uses)
- `IX_PeopleBaseItemMap_ItemId_ListOrder` (20 MB, 0 uses)
- `idx_baseitems_datecreated_filtered` (14 MB, 0 uses)
---
## 📁 Files Reference
### SQL Scripts:
- `sql/optimize_peoples_itemvalues_indexes.sql` - Index creation (✅ executed)
- `sql/query-analysis.sql` - Slow query analysis tool
- `sql/diagnostics.sql` - Full diagnostics
### PowerShell Scripts:
- `scripts/Weekly-Performance-Monitor.ps1` - Weekly monitoring
- `scripts/Setup-Weekly-Monitor.ps1` - Task Scheduler setup
- `scripts/db-config.ps1` - Database connection config
### Reports:
- `reports/weekly/query_analysis_2026-03-05_080020.txt` - **294 KB analysis data**
- `reports/weekly/summary_2026-03-05_080020.txt` - Quick summary
### Documentation:
- `docs/PERFORMANCE_MONITORING_GUIDE.md` - Complete usage guide
- `docs/DATABASE_ANALYSIS_REPORT.md` - Previous analysis (Feb 28)
- `docs/database-query-optimization.md` - Optimization guide
---
## 🔍 Quick Commands Reference
```powershell
# Load database configuration
. .\scripts\db-config.ps1
# Check index usage (daily)
Invoke-PSQL -Query "SELECT indexrelname, idx_scan FROM pg_stat_user_indexes WHERE schemaname = 'library' AND indexrelname LIKE 'idx_%' ORDER BY idx_scan DESC;"
# View slow queries
Invoke-PSQL -File "sql\query-analysis.sql"
# Run full diagnostics
Invoke-PSQL -File "sql\diagnostics.sql"
# Run weekly monitor
.\scripts\Weekly-Performance-Monitor.ps1
# Reset statistics (after major changes)
Invoke-PSQL -Query "SELECT pg_stat_reset(); SELECT pg_stat_statements_reset();"
# Set up automation (as Admin)
.\scripts\Setup-Weekly-Monitor.ps1
```
---
## 📈 Success Metrics (Track Weekly)
### Week 1 Goals:
- [ ] Peoples sequential scans < 70,000 (currently 144,299)
- [ ] ItemValues sequential scans < 250,000 (currently 506,048)
- [ ] New indexes showing usage (idx_scan > 100)
- [ ] 110s query identified and solution planned
### Month 1 Goals:
- [ ] No queries consistently taking > 10 seconds
- [ ] Index usage > 95% on Peoples and ItemValues
- [ ] Sequential scans reduced by 80%+
- [ ] All critical issues resolved
---
## 🎉 Summary
**Completed**:
✅ 5 new indexes added (8.7 MB total)
✅ 110-second query identified and documented
✅ Slow query analysis complete (294 KB report)
✅ Weekly monitoring automated
✅ Comprehensive guides created
**Impact Expected**:
- 50-80% reduction in Peoples sequential scans
- 30-50% reduction in ItemValues sequential scans
- Identification of root cause for 110s queries
- Automated tracking of performance trends
**Time Investment**:
- Setup: ✅ Complete (1 session)
- Monitoring: < 5 minutes per week (automated)
- Next review: March 12, 2026
---
**Created**: March 5, 2026 08:00
**Database**: jellyfin_testdata @ 192.168.129.248
**Status**: All systems operational, monitoring active
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# ✅ PowerShell Script Fixed!
## Problem
The original `Fix-JellyfinPaths.ps1` had PowerShell syntax errors:
1. **Line 179**: XPath expression with variable interpolation caused parsing issues
2. **Line 213**: String terminator problem with nested quotes
## Solution
Created a new, corrected script: **`FixJellyfinPaths.ps1`** (no hyphen)
## What Was Fixed
### 1. XPath Query Issue
**Before (broken):**
```powershell
$element = $xml.SelectSingleNode("//*[text()='$($path.CurrentValue)']")
```
**After (fixed):**
```powershell
$element = $null
$xml.SelectNodes("//*") | ForEach-Object {
if ($_.InnerText -eq $path.CurrentValue) {
$element = $_
}
}
```
This avoids XPath quote escaping issues by using direct comparison instead.
### 2. String Interpolation Issue
**Before (broken):**
```powershell
Write-Host "3. If issues persist, review backups in: $ConfigPath" -ForegroundColor White
```
**After (fixed):**
```powershell
$configInfo = "3. If issues persist, review backups in: $ConfigPath"
Write-Host $configInfo -ForegroundColor White
```
Separated the string building from the Write-Host call to avoid parsing ambiguity.
## How to Use
### Check for issues (dry run):
```powershell
.\FixJellyfinPaths.ps1 -DryRun
```
### Apply fixes:
```powershell
.\FixJellyfinPaths.ps1
```
### Apply without confirmation:
```powershell
.\FixJellyfinPaths.ps1 -Force
```
### Custom paths:
```powershell
.\FixJellyfinPaths.ps1 -ConfigPath "D:\Jellyfin\config" -DataPath "D:\Jellyfin\data"
```
## What It Does
1. **Scans** these config files:
- `system.xml`
- `encoding.xml`
- `database.xml`
2. **Finds** any paths starting with:
- `/var/`
- `/usr/`
- `/etc/`
3. **Fixes** them by:
- Clearing `MetadataPath` and `TranscodingTempPath` (uses defaults)
- Converting other Linux paths to Windows equivalents
4. **Creates backups** before making any changes
## Testing
Script tested and verified to parse correctly:
```
✓ No PowerShell syntax errors
✓ Handles non-existent paths gracefully
✓ Dry-run mode works correctly
```
## Files Updated
-`FixJellyfinPaths.ps1` - New corrected script
-`LINUX_PATH_ISSUE_SUMMARY.md` - Updated to reference new script name
-`FIX_SYSTEM_XML_PATHS.md` - Updated to reference new script name
-`Fix-JellyfinPaths.ps1` - Old broken script (can be deleted)
## Next Steps
1. Run the script with `-DryRun` to see what would be changed
2. If it looks correct, run without `-DryRun` to apply fixes
3. Restart Jellyfin
4. Check logs to verify paths are now correct
+385
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# Jellyfin with PostgreSQL Support
**The Free Software Media System - Now with Enterprise Database Backend**
---
## 🚀 What's New in This Fork?
This is a **PostgreSQL-enabled fork** of Jellyfin that replaces SQLite with PostgreSQL for improved performance, scalability, and reliability.
### ✨ Key Features
-**PostgreSQL Database Backend** - Full migration from SQLite
-**Improved Performance** - Better handling of large libraries
-**Enterprise Scalability** - Replication and clustering support
-**Professional Backups** - pgBackRest integration
-**OS-Specific Configuration** - Auto-configuration for Windows/Linux/macOS
-**Windows Installer** - Professional installer with PostgreSQL wizard
-**Centralized Build** - All DLLs in `lib` folder
---
## 📚 Quick Navigation
- [Quick Start](#quick-start)
- [Installation](#installation)
- [PostgreSQL Setup](#postgresql-setup)
- [Configuration](#configuration)
- [Building](#building-from-source)
- [Creating Installer](#creating-an-installer)
- [Migration](#migration-guide)
- [Troubleshooting](#troubleshooting)
- [Documentation](#documentation)
---
## 🎯 Quick Start
### Windows Installer
```powershell
# Run JellyfinSetup-PostgreSQL-11.0.0.exe
# Follow wizard for PostgreSQL setup
```
### From Source
```bash
git clone https://gitea.wpjones.com/wjones/pgsql-jellyfin.git
cd pgsql-jellyfin
dotnet build --configuration Release
cd lib/Release/net11.0
dotnet jellyfin.dll
```
📖 See [INSTALLER_QUICK_START.md](./docs/INSTALLER_QUICK_START.md) or [QUICKSTART_POSTGRESQL.md](./docs/QUICKSTART_POSTGRESQL.md)
---
## 📦 Installation
### Prerequisites
- **.NET 11 Runtime** - [Download](https://dotnet.microsoft.com/download/dotnet/11.0)
- **PostgreSQL 12+** - [Download](https://www.postgresql.org/download/)
- **FFmpeg** - [Jellyfin builds](https://github.com/jellyfin/jellyfin-ffmpeg)
### Install from Installer (Windows)
1. Download `JellyfinSetup-PostgreSQL-11.0.0.exe`
2. Run installer, select options
3. Configure PostgreSQL (or skip for later)
4. Open http://localhost:8096
📖 Full guide: [INSTALLER_GUIDE.md](./docs/INSTALLER_GUIDE.md)
### Install from Source
**Windows:**
```powershell
dotnet build Jellyfin.Server --configuration Release
cd lib\Release\net11.0
jellyfin.exe
```
**Linux:**
```bash
dotnet build Jellyfin.Server --configuration Release
cd lib/Release/net11.0
./jellyfin
```
---
## 🗄️ PostgreSQL Setup
### Quick Install
**Windows:**
```powershell
winget install PostgreSQL.PostgreSQL
```
**Linux:**
```bash
sudo apt install postgresql postgresql-contrib
```
### Create Database
```sql
psql -U postgres
CREATE USER jellyfin WITH PASSWORD 'your_password';
CREATE DATABASE jellyfin OWNER jellyfin;
GRANT ALL PRIVILEGES ON DATABASE jellyfin TO jellyfin;
\q
```
### Configure Connection
Edit `startup.json`:
```json
{
"DatabaseProvider": "Postgres",
"ConnectionStrings": {
"DefaultConnection": "Host=localhost;Database=jellyfin;Username=jellyfin;Password=your_password"
}
}
```
📖 Full guide: [QUICKSTART_POSTGRESQL.md](./docs/QUICKSTART_POSTGRESQL.md)
---
## ⚙️ Configuration
### OS-Specific Defaults
`startup.json` is auto-configured per platform:
- **Windows:** `C:/ProgramData/jellyfin`
- **Linux:** `/var/lib/jellyfin`, `/etc/jellyfin`
- **macOS:** `~/Library/Application Support/jellyfin`
### Priority Order
1. Command-line arguments
2. Environment variables
3. startup.json
4. Built-in defaults
📖 Docs: [OS_SPECIFIC_STARTUP_CONFIG.md](./docs/OS_SPECIFIC_STARTUP_CONFIG.md), [STARTUP_JSON_VERIFICATION.md](./docs/STARTUP_JSON_VERIFICATION.md)
---
## 🔨 Building from Source
```bash
git clone https://gitea.wpjones.com/wjones/pgsql-jellyfin.git
cd pgsql-jellyfin
dotnet restore
dotnet build --configuration Release
# Output: lib/Release/net11.0/
```
📖 See [CENTRALIZED_LIB_FOLDER.md](./docs/CENTRALIZED_LIB_FOLDER.md)
---
## 📦 Creating an Installer
```powershell
# 1. Install Inno Setup
winget install JRSoftware.InnoSetup
# 2. Build
.\build-installer.ps1
# 3. Result
# installer-output\JellyfinSetup-PostgreSQL-11.0.0.exe
```
Features:
- Windows Service installation
- Firewall rules
- PostgreSQL wizard
- .NET runtime check
📖 Guides: [INSTALLER_QUICK_START.md](./docs/INSTALLER_QUICK_START.md), [INSTALLER_GUIDE.md](./docs/INSTALLER_GUIDE.md)
---
## 🔄 Migration Guide
### SQLite to PostgreSQL
```bash
# 1. Backup
cp jellyfin.db jellyfin-backup.db
# 2. Set up PostgreSQL
# 3. Update startup.json
# 4. Run migration
dotnet run --project Jellyfin.Server -- --migrate-database
```
📖 See [POSTGRESQL_MIGRATION_COMPLETE.md](./docs/POSTGRESQL_MIGRATION_COMPLETE.md)
---
## 🔧 Troubleshooting
### PostgreSQL Connection
```bash
# Check status
sudo systemctl status postgresql
# Test connection
psql -U jellyfin -d jellyfin
```
### Service Issues
```bash
# Check logs
tail -f /var/log/jellyfin/log_*.txt
```
📖 Full guides: [POSTGRESQL_TROUBLESHOOTING.md](./docs/POSTGRESQL_TROUBLESHOOTING.md), [TROUBLESHOOTING_EF_PENDING_CHANGES.md](./docs/TROUBLESHOOTING_EF_PENDING_CHANGES.md)
---
## 📖 Documentation
### 🚀 Getting Started
- **[START_HERE.md](./docs/START_HERE.md)** - **Start here!** Complete quick start guide
- **[QUICK_REFERENCE.md](./docs/QUICK_REFERENCE.md)** - Quick command reference
- **[COMPLETE-SESSION-SUMMARY.md](./docs/COMPLETE-SESSION-SUMMARY.md)** - All recent fixes and improvements
### ⚙️ Configuration & Setup
- **[database-configuration-examples.md](./docs/database-configuration-examples.md)** - **Complete database configuration reference**
- **[library-monitor-delay-configuration.md](./docs/library-monitor-delay-configuration.md)** - **Configure file system monitoring delays** (NEW)
- [OS_SPECIFIC_STARTUP_CONFIG.md](./docs/OS_SPECIFIC_STARTUP_CONFIG.md) - Platform-specific configuration
- [STARTUP_JSON_VERIFICATION.md](./docs/STARTUP_JSON_VERIFICATION.md) - Verify startup configuration
- [STARTUP_JSON_FIX.md](./docs/STARTUP_JSON_FIX.md) - Fix startup issues
- [HOW_TO_SWITCH_DATABASE.md](./docs/HOW_TO_SWITCH_DATABASE.md) - Switch between databases
### 🛠️ Path Configuration & Fixes
- **[WEBDIR_ISSUE_COMPLETE_FIX.md](./docs/WEBDIR_ISSUE_COMPLETE_FIX.md)** - **Complete guide to fixing WebDir path issues** (NEW)
- **[STARTUP_JSON_WEBDIR_FIX.md](./docs/STARTUP_JSON_WEBDIR_FIX.md)** - **Fix startup.json WebDir configuration** (NEW)
- **[PATH_FIX_GUIDE.md](./docs/PATH_FIX_GUIDE.md)** - **Comprehensive path fix guide** (NEW)
- **[LINUX_PATH_ISSUE_SUMMARY.md](./docs/LINUX_PATH_ISSUE_SUMMARY.md)** - **Linux paths on Windows issue summary** (NEW)
- **[FIX_SYSTEM_XML_PATHS.md](./docs/FIX_SYSTEM_XML_PATHS.md)** - **Fix Linux paths in system.xml** (NEW)
- **[POWERSHELL_SCRIPT_FIXED.md](./docs/POWERSHELL_SCRIPT_FIXED.md)** - **PowerShell utility script fixes** (NEW)
### 🔧 Utility Scripts
- **[FixJellyfinPaths.ps1](./FixJellyfinPaths.ps1)** - **PowerShell script to fix Linux paths in configuration files** (NEW)
- **[FixStartupJsonWebDir.ps1](./FixStartupJsonWebDir.ps1)** - **PowerShell script to fix WebDir paths in startup.json** (NEW)
- **[add_presentationuniquekey_index.sql](./add_presentationuniquekey_index.sql)** - **SQL script to add performance index for episode queries** (NEW)
- **[fix_windows_paths.sql](./fix_windows_paths.sql)** - **SQL script to convert Linux paths to Windows paths** (NEW)
### 🗄️ PostgreSQL Setup & Migration
- **[QUICKSTART_POSTGRESQL.md](./docs/QUICKSTART_POSTGRESQL.md)** - Quick PostgreSQL setup
- [POSTGRESQL_MIGRATION_COMPLETE.md](./docs/POSTGRESQL_MIGRATION_COMPLETE.md) - Migration guide
- [POSTGRESQL_TROUBLESHOOTING.md](./docs/POSTGRESQL_TROUBLESHOOTING.md) - Troubleshooting guide
- [MERGE_MIGRATIONS_GUIDE.md](./docs/MERGE_MIGRATIONS_GUIDE.md) - Merge pending migrations
- [database/postgres-migration-guide.md](./docs/database/postgres-migration-guide.md) - Detailed migration steps
- [database/postgres-provider-readme.md](./docs/database/postgres-provider-readme.md) - PostgreSQL provider documentation
- [database/jellyfin-database-readme.md](./docs/database/jellyfin-database-readme.md) - Database architecture
### 💾 Backup & Restore
- **[remote-postgresql-backup-support.md](./docs/remote-postgresql-backup-support.md)** - Remote PostgreSQL backups
- [database/postgres-backup-configuration.md](./docs/database/postgres-backup-configuration.md) - Backup configuration guide
- [POSTGRES_BACKUP_IMPLEMENTATION.md](./docs/POSTGRES_BACKUP_IMPLEMENTATION.md) - Backup implementation details
- [POSTGRESQL_BACKUP_ANALYSIS.md](./docs/POSTGRESQL_BACKUP_ANALYSIS.md) - Backup analysis
### ⚡ Performance & Optimization
- **[increase-database-timeout.md](./docs/increase-database-timeout.md)** - Fix query timeouts
- [ADD_INDEXES_GUIDE.md](./docs/ADD_INDEXES_GUIDE.md) - Add performance indexes
- [AUTO_APPLY_INDEXES_COMPLETE.md](./docs/AUTO_APPLY_INDEXES_COMPLETE.md) - Automatic index application
- [ITEMVALUES_INDEXES_ADDED.md](./docs/ITEMVALUES_INDEXES_ADDED.md) - ItemValues optimization
- [MISSING_INDEXES_FIXED.md](./docs/MISSING_INDEXES_FIXED.md) - Index fixes
- [query-grouping-current-status.md](./docs/query-grouping-current-status.md) - Query performance status
- [query-optimization-complete-story.md](./docs/query-optimization-complete-story.md) - Complete optimization guide
- [database-query-optimization.md](./docs/database-query-optimization.md) - Query optimization strategies
### 🔍 Database Diagnostics & Analysis
- **[DIAGNOSTICS_COMPLETE_SUMMARY.md](./docs/DIAGNOSTICS_COMPLETE_SUMMARY.md)** - ⭐ Complete diagnostics overview
- [DATABASE_ANALYSIS_REPORT.md](./docs/DATABASE_ANALYSIS_REPORT.md) - Detailed analysis
- [LATEST_DIAGNOSTICS_ANALYSIS.md](./docs/LATEST_DIAGNOSTICS_ANALYSIS.md) - Latest diagnostics
- [REMOTE_DATABASE_ANALYSIS.md](./docs/REMOTE_DATABASE_ANALYSIS.md) - Remote database analysis
- [REMOTE_ANALYSIS_SUMMARY.md](./docs/REMOTE_ANALYSIS_SUMMARY.md) - Remote analysis summary
- [QUICK_ACTION_PLAN.md](./docs/QUICK_ACTION_PLAN.md) - Performance action plan
- [WEEKLY_TRACKING.md](./docs/WEEKLY_TRACKING.md) - Weekly tracking template
### 🔧 Error Fixes & Troubleshooting
- **[sqlite-migration-filtering-fix.md](./docs/sqlite-migration-filtering-fix.md)** - Fix SQLite migration errors
- **[LIBRARYMONITOR_DISPOSAL_FIX.md](./docs/LIBRARYMONITOR_DISPOSAL_FIX.md)** - **Fix ObjectDisposedException during shutdown** (NEW)
- [syncplay-authorization-error-handling.md](./docs/syncplay-authorization-error-handling.md) - SyncPlay auth errors
- [exception-middleware-authentication-messaging.md](./docs/exception-middleware-authentication-messaging.md) - Authentication error messages
- [database-deadlock-handling.md](./docs/database-deadlock-handling.md) - Handle database deadlocks
- [database-constraint-violation-baseitem-providers.md](./docs/database-constraint-violation-baseitem-providers.md) - Fix constraint violations
- [ef-core-tracking-conflict-fix.md](./docs/ef-core-tracking-conflict-fix.md) - EF Core tracking issues
- [TROUBLESHOOTING_EF_PENDING_CHANGES.md](./docs/TROUBLESHOOTING_EF_PENDING_CHANGES.md) - EF Core pending changes
- [WEBSOCKET_TOKEN_REQUIRED_ERROR.md](./docs/WEBSOCKET_TOKEN_REQUIRED_ERROR.md) - WebSocket errors
### 📦 Installation & Publishing
- **[INSTALLER_QUICK_START.md](./docs/INSTALLER_QUICK_START.md)** - Quick installer guide
- [INSTALLER_GUIDE.md](./docs/INSTALLER_GUIDE.md) - Detailed installer guide
- [CENTRALIZED_LIB_FOLDER.md](./docs/CENTRALIZED_LIB_FOLDER.md) - Centralized build output
- [BUILD_INSTALLER_FIXED.md](./docs/BUILD_INSTALLER_FIXED.md) - Installer build fixes
- [SQL_FILES_PUBLISH_FIX.md](./docs/SQL_FILES_PUBLISH_FIX.md) - SQL files in publish
- [SQL_PUBLISH_ISSUE_RESOLVED.md](./docs/SQL_PUBLISH_ISSUE_RESOLVED.md) - SQL publish resolution
- [QUICK_PUBLISH_REFERENCE.md](./docs/QUICK_PUBLISH_REFERENCE.md) - Publish reference
### 📜 Project Information & Planning
- [PROJECT_COMPLETION.md](./docs/PROJECT_COMPLETION.md) - Project completion status
- [POC_SUMMARY_REPORT.md](./docs/POC_SUMMARY_REPORT.md) - Proof of concept summary
- [IMPLEMENTATION_COMPLETE.md](./docs/IMPLEMENTATION_COMPLETE.md) - Implementation status
- [PR_DESCRIPTION.md](./docs/PR_DESCRIPTION.md) - Pull request description
- [PR_DESCRIPTION_SHORT.md](./docs/PR_DESCRIPTION_SHORT.md) - Short PR description
- [STAKEHOLDER_PRESENTATION.md](./docs/STAKEHOLDER_PRESENTATION.md) - Stakeholder presentation
- [SQLITE_REMOVAL_PLAN.md](./docs/SQLITE_REMOVAL_PLAN.md) - SQLite removal plan
### 🛠️ Developer Resources
- [README_EDITORCONFIG_CHANGES.md](./docs/README_EDITORCONFIG_CHANGES.md) - EditorConfig changes
- [README_GENERATION.md](./docs/README_GENERATION.md) - Documentation generation
- [STARTUP_CONFIG_COMPARISON.md](./docs/STARTUP_CONFIG_COMPARISON.md) - Configuration comparison
- [STARTUP_CONFIG_UPDATE.md](./docs/STARTUP_CONFIG_UPDATE.md) - Configuration updates
- [STARTUP_JSON_MARKER_FIX.md](./docs/STARTUP_JSON_MARKER_FIX.md) - JSON marker fixes
- [STARTUP_JSON_VISUAL_GUIDE.md](./docs/STARTUP_JSON_VISUAL_GUIDE.md) - Visual configuration guide
- [TEMP_DIR_CONFIGURATION_FEATURE.md](./docs/TEMP_DIR_CONFIGURATION_FEATURE.md) - Temp directory configuration
- [VERSION_UPDATE_11.0.0_PREVIEW.md](./docs/VERSION_UPDATE_11.0.0_PREVIEW.md) - .NET 11 upgrade
- [scripts/CONNECT_AND_UPDATE.md](./docs/scripts/CONNECT_AND_UPDATE.md) - Connection and update scripts
### 📂 Additional Documentation
- [fuzz/README.md](./fuzz/README.md) - Fuzz testing documentation
- [wwwroot/README.md](./wwwroot/README.md) - Web assets documentation
- [Jellyfin.Server/Resources/Configuration/README.md](./Jellyfin.Server/Resources/Configuration/README.md) - Configuration resources
[📁 View All Documentation →](./docs/)
---
## 📝 License
GNU General Public License v2.0
Fork of [Jellyfin](https://github.com/jellyfin/jellyfin)
---
## 📞 Support
- 📚 [Documentation](./docs/)
- 🐛 [Report Bug](https://gitea.wpjones.com/wjones/pgsql-jellyfin/issues)
- 💡 [Request Feature](https://gitea.wpjones.com/wjones/pgsql-jellyfin/issues)
---
## ⚡ Quick Reference
```bash
# Build
dotnet build --configuration Release
# Run
cd lib/Release/net11.0 && dotnet jellyfin.dll
# Create installer
.\build-installer.ps1
# Test
dotnet test
```
**Essential Paths:**
- Windows: `C:\ProgramData\jellyfin`
- Linux: `/var/lib/jellyfin`
- macOS: `~/Library/Application Support/jellyfin`
---
**Built with ❤️ for the Jellyfin community**
[Jellyfin](https://jellyfin.org) • [PostgreSQL](https://www.postgresql.org) • [.NET](https://dotnet.microsoft.com)
+202
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<h1 align="center">Jellyfin</h1>
<h3 align="center">The Free Software Media System</h3>
---
<p align="center">
<img alt="Logo Banner" src="https://raw.githubusercontent.com/jellyfin/jellyfin-ux/master/branding/SVG/banner-logo-solid.svg?sanitize=true"/>
<br/>
<br/>
<a href="https://github.com/jellyfin/jellyfin">
<img alt="GPL 2.0 License" src="https://img.shields.io/github/license/jellyfin/jellyfin.svg"/>
</a>
<a href="https://github.com/jellyfin/jellyfin/releases">
<img alt="Current Release" src="https://img.shields.io/github/release/jellyfin/jellyfin.svg"/>
</a>
<a href="https://translate.jellyfin.org/projects/jellyfin/jellyfin-core/?utm_source=widget">
<img alt="Translation Status" src="https://translate.jellyfin.org/widgets/jellyfin/-/jellyfin-core/svg-badge.svg"/>
</a>
<a href="https://hub.docker.com/r/jellyfin/jellyfin">
<img alt="Docker Pull Count" src="https://img.shields.io/docker/pulls/jellyfin/jellyfin.svg"/>
</a>
<br/>
<a href="https://opencollective.com/jellyfin">
<img alt="Donate" src="https://img.shields.io/opencollective/all/jellyfin.svg?label=backers"/>
</a>
<a href="https://features.jellyfin.org">
<img alt="Submit Feature Requests" src="https://img.shields.io/badge/fider-vote%20on%20features-success.svg"/>
</a>
<a href="https://matrix.to/#/#jellyfinorg:matrix.org">
<img alt="Chat on Matrix" src="https://img.shields.io/matrix/jellyfinorg:matrix.org.svg?logo=matrix"/>
</a>
<a href="https://github.com/jellyfin/jellyfin/releases.atom">
<img alt="Release RSS Feed" src="https://img.shields.io/badge/rss-releases-ffa500?logo=rss" />
</a>
<a href="https://github.com/jellyfin/jellyfin/commits/master.atom">
<img alt="Master Commits RSS Feed" src="https://img.shields.io/badge/rss-commits-ffa500?logo=rss" />
</a>
</p>
---
Jellyfin is a Free Software Media System that puts you in control of managing and streaming your media. It is an alternative to the proprietary Emby and Plex, to provide media from a dedicated server to end-user devices via multiple apps. Jellyfin is descended from Emby's 3.5.2 release and ported to the .NET platform to enable full cross-platform support.
There are no strings attached, no premium licenses or features, and no hidden agendas: just a team that wants to build something better and work together to achieve it. We welcome anyone who is interested in joining us in our quest!
For further details, please see [our documentation page](https://jellyfin.org/docs/). To receive the latest updates, get help with Jellyfin, and join the community, please visit [one of our communication channels](https://jellyfin.org/docs/general/getting-help). For more information about the project, please see our [about page](https://jellyfin.org/docs/general/about).
<strong>Want to get started?</strong><br/>
Check out our <a href="https://jellyfin.org/downloads">downloads page</a> or our <a href="https://jellyfin.org/docs/general/installation/">installation guide</a>, then see our <a href="https://jellyfin.org/docs/general/quick-start">quick start guide</a>. You can also <a href="https://jellyfin.org/docs/general/installation/source">build from source</a>.<br/>
<strong>Something not working right?</strong><br/>
Open an <a href="https://jellyfin.org/docs/general/contributing/issues">Issue</a> on GitHub.<br/>
<strong>Want to contribute?</strong><br/>
Check out our <a href="https://jellyfin.org/contribute">contributing choose-your-own-adventure</a> to see where you can help, then see our <a href="https://jellyfin.org/docs/general/contributing/">contributing guide</a> and our <a href="https://jellyfin.org/docs/general/community-standards">community standards</a>.<br/>
<strong>New idea or improvement?</strong><br/>
Check out our <a href="https://features.jellyfin.org/?view=most-wanted">feature request hub</a>.<br/>
<strong>Don't see Jellyfin in your language?</strong><br/>
Check out our <a href="https://translate.jellyfin.org">Weblate instance</a> to help translate Jellyfin and its subprojects.<br/>
<a href="https://translate.jellyfin.org/engage/jellyfin/?utm_source=widget">
<img src="https://translate.jellyfin.org/widgets/jellyfin/-/jellyfin-web/multi-auto.svg" alt="Detailed Translation Status"/>
</a>
---
## Jellyfin Server
This repository contains the code for Jellyfin's backend server. Note that this is only one of many projects under the Jellyfin GitHub [organization](https://github.com/jellyfin/) on GitHub. If you want to contribute, you can start by checking out our [documentation](https://jellyfin.org/docs/general/contributing/index.html) to see what to work on.
## Server Development
These instructions will help you get set up with a local development environment in order to contribute to this repository. Before you start, please be sure to completely read our [guidelines on development contributions](https://jellyfin.org/docs/general/contributing/development.html). Note that this project is supported on all major operating systems except FreeBSD, which is still incompatible.
### Prerequisites
Before the project can be built, you must first install the [.NET 9.0 SDK](https://dotnet.microsoft.com/download/dotnet) on your system.
Instructions to run this project from the command line are included here, but you will also need to install an IDE if you want to debug the server while it is running. Any IDE that supports .NET 6 development will work, but two options are recent versions of [Visual Studio](https://visualstudio.microsoft.com/downloads/) (at least 2022) and [Visual Studio Code](https://code.visualstudio.com/Download).
[ffmpeg](https://github.com/jellyfin/jellyfin-ffmpeg) will also need to be installed.
### Cloning the Repository
After dependencies have been installed you will need to clone a local copy of this repository. If you just want to run the server from source you can clone this repository directly, but if you are intending to contribute code changes to the project, you should [set up your own fork](https://jellyfin.org/docs/general/contributing/development.html#set-up-your-copy-of-the-repo) of the repository. The following example shows how you can clone the repository directly over HTTPS.
```bash
git clone https://github.com/jellyfin/jellyfin.git
```
### Installing the Web Client
The server is configured to host the static files required for the [web client](https://github.com/jellyfin/jellyfin-web) in addition to serving the backend by default. Before you can run the server, you will need to get a copy of the web client since they are not included in this repository directly.
Note that it is also possible to [host the web client separately](#hosting-the-web-client-separately) from the web server with some additional configuration, in which case you can skip this step.
There are three options to get the files for the web client.
1. Download one of the finished builds from the [Azure DevOps pipeline](https://dev.azure.com/jellyfin-project/jellyfin/_build?definitionId=27). You can download the build for a specific release by looking at the [branches tab](https://dev.azure.com/jellyfin-project/jellyfin/_build?definitionId=27&_a=summary&repositoryFilter=6&view=branches) of the pipelines page.
2. Build them from source following the instructions on the [jellyfin-web repository](https://github.com/jellyfin/jellyfin-web)
3. Get the pre-built files from an existing installation of the server. For example, with a Windows server installation the client files are located at `C:\Program Files\Jellyfin\Server\jellyfin-web`
### Running The Server
The following instructions will help you get the project up and running via the command line, or your preferred IDE.
#### Running With Visual Studio
To run the project with Visual Studio you can open the Solution (`.sln`) file and then press `F5` to run the server.
#### Running With Visual Studio Code
To run the project with Visual Studio Code you will first need to open the repository directory with Visual Studio Code using the `Open Folder...` option.
Second, you need to [install the recommended extensions for the workspace](https://code.visualstudio.com/docs/editor/extension-gallery#_recommended-extensions). Note that extension recommendations are classified as either "Workspace Recommendations" or "Other Recommendations", but only the "Workspace Recommendations" are required.
After the required extensions are installed, you can run the server by pressing `F5`.
#### Running From the Command Line
To run the server from the command line you can use the `dotnet run` command. The example below shows how to do this if you have cloned the repository into a directory named `jellyfin` (the default directory name) and should work on all operating systems.
```bash
cd jellyfin # Move into the repository directory
dotnet run --project Jellyfin.Server --webdir /absolute/path/to/jellyfin-web/dist # Run the server startup project
```
A second option is to build the project and then run the resulting executable file directly. When running the executable directly you can easily add command line options. Add the `--help` flag to list details on all the supported command line options.
1. Build the project
```bash
dotnet build # Build the project
cd Jellyfin.Server/bin/Debug/net10.0 # Change into the build output directory
```
2. Execute the build output. On Linux, Mac, etc. use `./jellyfin` and on Windows use `jellyfin.exe`.
#### Accessing the Hosted Web Client
If the Server is configured to host the Web Client, and the Server is running, the Web Client can be accessed at `http://localhost:8096` by default.
API documentation can be viewed at `http://localhost:8096/api-docs/swagger/index.html`
### Running from GitHub Codespaces
As Jellyfin will run on a container on a GitHub hosted server, JF needs to handle some things differently.
**NOTE:** Depending on the selected configuration (if you just click 'create codespace' it will create a default configuration one) it might take 20-30 seconds to load all extensions and prepare the environment while VS Code is already open. Just give it some time and wait until you see `Downloading .NET version(s) 7.0.15~x64 ...... Done!` in the output tab.
**NOTE:** If you want to access the JF instance from outside, like with a WebClient on another PC, remember to set the "ports" in the lower VS Code window to public.
**NOTE:** When first opening the server instance with any WebUI, you will be sent to the login instead of the setup page. Refresh the login page once and you should be redirected to the Setup.
There are two configurations for you to choose from.
#### Default - Development Jellyfin Server
This creates a container that has everything to run and debug the Jellyfin Media server but does not setup anything else. Each time you create a new container you have to run through the whole setup again. There is also no ffmpeg, webclient or media preloaded. Use the `.NET Launch (nowebclient)` launch config to start the server.
> Keep in mind that as this has no web client you have to connect to it via an external client. This can be just another codespace container running the WebUI. vuejs does not work from the get-go as it does not support the setup steps.
#### Development Jellyfin Server ffmpeg
this extends the default server with a default installation of ffmpeg6 though the means described here: https://jellyfin.org/docs/general/installation/linux#repository-manual
If you want to install a specific ffmpeg version, follow the comments embedded in the `.devcontainer/Dev - Server Ffmpeg/install.ffmpeg.sh` file.
Use the `ghcs .NET Launch (nowebclient, ffmpeg)` launch config to run with the jellyfin-ffmpeg enabled.
### Running The Tests
This repository also includes unit tests that are used to validate functionality as part of a CI pipeline on Azure. There are several ways to run these tests.
1. Run tests from the command line using `dotnet test`
2. Run tests in Visual Studio using the [Test Explorer](https://docs.microsoft.com/en-us/visualstudio/test/run-unit-tests-with-test-explorer)
3. Run individual tests in Visual Studio Code using the associated [CodeLens annotation](https://github.com/OmniSharp/omnisharp-vscode/wiki/How-to-run-and-debug-unit-tests)
### Advanced Configuration
The following sections describe some more advanced scenarios for running the server from source that build upon the standard instructions above.
#### Hosting The Web Client Separately
It is not necessary to host the frontend web client as part of the backend server. Hosting these two components separately may be useful for frontend developers who would prefer to host the client in a separate webpack development server for a tighter development loop. See the [jellyfin-web](https://github.com/jellyfin/jellyfin-web#getting-started) repo for instructions on how to do this.
To instruct the server not to host the web content, there is a `nowebclient` configuration flag that must be set. This can be specified using the command line
switch `--nowebclient` or the environment variable `JELLYFIN_NOWEBCONTENT=true`.
Since this is a common scenario, there is also a separate launch profile defined for Visual Studio called `Jellyfin.Server (nowebcontent)` that can be selected from the 'Start Debugging' dropdown in the main toolbar.
**NOTE:** The setup wizard cannot be run if the web client is hosted separately.
---
<p align="center">
This project is supported by:
<br/>
<br/>
<a href="https://www.digitalocean.com"><img src="https://opensource.nyc3.cdn.digitaloceanspaces.com/attribution/assets/SVG/DO_Logo_horizontal_blue.svg" height="50px" alt="DigitalOcean"></a>
&nbsp;
<a href="https://www.jetbrains.com"><img src="https://gist.githubusercontent.com/anthonylavado/e8b2403deee9581e0b4cb8cd675af7db/raw/fa104b7d73f759d7262794b94569f1b89df41c0b/jetbrains.svg" height="50px" alt="JetBrains logo"></a>
</p>
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# README.md Update Summary
## Updated: docs\README.md
### New Sections Added
#### 🛠️ Path Configuration & Fixes
Added a new dedicated section for path-related configuration and troubleshooting:
- **WEBDIR_ISSUE_COMPLETE_FIX.md** - Complete guide to fixing WebDir path issues
- **STARTUP_JSON_WEBDIR_FIX.md** - Fix startup.json WebDir configuration
- **PATH_FIX_GUIDE.md** - Comprehensive path fix guide
- **LINUX_PATH_ISSUE_SUMMARY.md** - Linux paths on Windows issue summary
- **FIX_SYSTEM_XML_PATHS.md** - Fix Linux paths in system.xml
- **POWERSHELL_SCRIPT_FIXED.md** - PowerShell utility script fixes
#### 🔧 Utility Scripts
Added a new section documenting utility scripts for maintenance and fixes:
**PowerShell Scripts:**
- **FixJellyfinPaths.ps1** - Fix Linux paths in configuration files (system.xml, encoding.xml, database.xml)
- **FixStartupJsonWebDir.ps1** - Fix WebDir paths in startup.json files
**SQL Scripts:**
- **add_presentationuniquekey_index.sql** - Add performance index for episode deduplication queries (fixes 180+ second timeouts)
- **fix_windows_paths.sql** - Convert Linux paths to Windows paths in database (reference script)
### Documentation Organization
All new documentation has been:
1. ✅ Properly categorized under relevant sections
2. ✅ Marked with **(NEW)** tags for easy identification
3. ✅ Formatted consistently with existing documentation
4. ✅ Linked with correct relative paths
### Quick Access
All new files can be found under:
- Documentation: `docs/*.md`
- PowerShell Scripts: `*.ps1` (root directory)
- SQL Scripts: `*.sql` (root directory)
### Related Issues Fixed
These documentation files and scripts address:
1. **WebDir Path Issue** - startup.json created with absolute paths instead of relative "wwwroot"
2. **Linux Paths on Windows** - Configuration files (system.xml) containing Linux paths on Windows installations
3. **PostgreSQL Query Timeouts** - Missing performance index causing 180+ second query times
4. **PowerShell Script Errors** - Syntax issues in path fix utilities
### Usage
For path issues:
```powershell
# Fix system.xml paths
.\FixJellyfinPaths.ps1
# Fix startup.json WebDir
.\FixStartupJsonWebDir.ps1
```
For PostgreSQL performance:
```sql
-- Run as database user
psql -U jellyfin -d jellyfin -f add_presentationuniquekey_index.sql
```
### Notes
- All scripts include safety features (backups, dry-run mode)
- Documentation includes step-by-step instructions
- Code changes were already implemented in the source code
- Scripts are for fixing existing installations
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# Fix: startup.json Still Has Wrong WebDir
## Problem
After fixing the code, `startup.json` is still created with:
```json
"WebDir": "C:/ProgramData/jellyfin/wwwroot"
```
Instead of:
```json
"WebDir": "wwwroot"
```
## Root Cause
The fix in `StartupHelpers.cs` (line 141) only affects **newly created** files. If `startup.json` already exists in one of these locations, it won't be recreated:
1. Current directory: `D:\Projects\pgsql-jellyfin\startup.json`
2. Application directory: `bin\Debug\net11.0\startup.json`
3. Config directory: `bin\Debug\net11.0\config\startup.json`
## Solutions
### **Solution 1: Delete Existing startup.json** (Quickest)
Delete the existing `startup.json` file and let Jellyfin recreate it with correct values:
```powershell
# Find and delete startup.json files
Remove-Item -Path ".\startup.json" -ErrorAction SilentlyContinue
Remove-Item -Path ".\bin\Debug\net11.0\startup.json" -ErrorAction SilentlyContinue
Remove-Item -Path ".\bin\Debug\net11.0\config\startup.json" -ErrorAction SilentlyContinue
Remove-Item -Path ".\bin\Release\net11.0\startup.json" -ErrorAction SilentlyContinue
Remove-Item -Path ".\bin\Release\net11.0\config\startup.json" -ErrorAction SilentlyContinue
Write-Host "Deleted existing startup.json files. Run Jellyfin to recreate with correct paths."
```
### **Solution 2: Edit Existing startup.json Manually**
1. Find the file: `startup.json`
2. Open in a text editor
3. Change:
```json
"WebDir": "C:/ProgramData/jellyfin/wwwroot"
```
To:
```json
"WebDir": "wwwroot"
```
4. Save
### **Solution 3: PowerShell Script to Fix All Instances**
```powershell
# Fix WebDir in all startup.json files
$files = Get-ChildItem -Path . -Recurse -Filter "startup.json" -ErrorAction SilentlyContinue
foreach ($file in $files) {
Write-Host "Checking: $($file.FullName)"
$content = Get-Content $file.FullName -Raw
# Check if it has the wrong path
if ($content -match '"WebDir":\s*"C:/ProgramData/jellyfin/wwwroot"') {
Write-Host " -> Found incorrect WebDir, fixing..." -ForegroundColor Yellow
# Backup
Copy-Item $file.FullName "$($file.FullName).backup"
# Fix it
$newContent = $content -replace '"WebDir":\s*"C:/ProgramData/jellyfin/wwwroot"', '"WebDir": "wwwroot"'
Set-Content -Path $file.FullName -Value $newContent
Write-Host " -> Fixed! (Backup created)" -ForegroundColor Green
} else {
Write-Host " -> Already correct" -ForegroundColor Green
}
}
Write-Host ""
Write-Host "Done! Rebuild and run Jellyfin." -ForegroundColor Cyan
```
### **Solution 4: Add Code to Auto-Fix on Startup** (Most Robust)
Add code to automatically update incorrect paths when loading the config file. This ensures old config files are fixed automatically.
I can implement this in `StartupHelpers.cs` if you want.
## Verification
After applying a fix, check your `startup.json`:
```powershell
Get-Content startup.json | Select-String "WebDir"
```
Should show:
```json
"WebDir": "wwwroot"
```
Not:
```json
"WebDir": "C:/ProgramData/jellyfin/wwwroot"
```
## Why This Matters
Using relative path `"wwwroot"` instead of absolute path:
- ✅ Makes installation portable
- ✅ Works regardless of where Jellyfin is installed
- ✅ Matches the template file `startup.json.windows`
- ✅ Consistent with other platforms
## Next Steps
1. **Choose a solution above** (I recommend Solution 1 - delete and recreate)
2. **Rebuild** the project
3. **Run** Jellyfin
4. **Verify** the new `startup.json` has `"WebDir": "wwwroot"`
Would you like me to implement Solution 4 (auto-fix code) to prevent this issue in the future?
+139
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@@ -0,0 +1,139 @@
# ✅ WebDir Path Issue - FULLY FIXED
## Summary
Fixed the issue where `startup.json` was being created with absolute path `"C:/ProgramData/jellyfin/wwwroot"` instead of relative path `"wwwroot"`.
## What Was Done
### 1. **Code Fix** (Already Applied Previously)
Modified `Jellyfin.Server\Helpers\StartupHelpers.cs` line 141:
- **Before**: `webDir = "C:/ProgramData/jellyfin/wwwroot";`
- **After**: `webDir = "wwwroot";`
### 2. **Auto-Fix for Existing Files** (NEW)
Added `FixWebDirPath()` method to automatically correct old configurations on startup.
**Location**: `Jellyfin.Server\Helpers\StartupHelpers.cs`
This method:
- Runs automatically when loading `startup.json`
- Fixes both Windows (`C:/ProgramData/jellyfin/wwwroot`) and Linux (`/usr/share/jellyfin/wwwroot`) absolute paths
- Converts them to relative path: `"wwwroot"`
- Only writes file if changes are needed
- Handles errors gracefully
### 3. **Manual Fix Scripts**
Created two helper files:
#### **`FixStartupJsonWebDir.ps1`** - PowerShell script
- Finds all `startup.json` files in project
- Checks and fixes incorrect WebDir paths
- Creates backups before modifying
- Reports results
**Usage**:
```powershell
.\FixStartupJsonWebDir.ps1
```
#### **`STARTUP_JSON_WEBDIR_FIX.md`** - Documentation
- Explains the problem
- Provides 4 different solutions
- Includes verification steps
## How It Works Now
### **For New Installations**
1. No `startup.json` exists
2. `CreateDefaultStartupConfiguration()` runs
3. Creates file with `"WebDir": "wwwroot"`
### **For Existing Installations**
1. Old `startup.json` exists with `"WebDir": "C:/ProgramData/jellyfin/wwwroot"`
2. `LoadStartupConfiguration()` runs
3. `FixWebDirPath()` automatically fixes it to `"WebDir": "wwwroot"`
4. Configuration loads correctly
### **For Development/Testing**
1. Run `.\FixStartupJsonWebDir.ps1` to fix all instances manually
2. Or delete the file and let it recreate
## Testing Results
**Build**: Successful
**Code**: Compiles without errors
**Logic**: Auto-fix runs before loading config
**Safety**: Only modifies file if changes needed
## Files Modified
1.`Jellyfin.Server\Helpers\StartupHelpers.cs`
- Line 141: Changed default to `"wwwroot"`
- Added `FixWebDirPath()` method
- Updated `LoadStartupConfiguration()` to call auto-fix
2.`FixStartupJsonWebDir.ps1` (NEW)
- Manual fix script
3.`STARTUP_JSON_WEBDIR_FIX.md` (NEW)
- Documentation
## Why This Matters
Using `"wwwroot"` (relative path) instead of absolute paths:
-**Portable**: Works anywhere Jellyfin is installed
-**Consistent**: Matches `startup.json.windows` template
-**Cross-platform**: Same approach for all OSes
-**Future-proof**: No hardcoded paths to update
## What Happens on Next Run
1. **If you already have startup.json with wrong path**:
- Jellyfin starts
- Loads `startup.json`
- `FixWebDirPath()` auto-corrects it
- Saves corrected version
- Console shows: "Fixed WebDir path in: <path>"
- ✅ Problem solved automatically
2. **If you delete startup.json**:
- Jellyfin starts
- Creates new file with correct `"wwwroot"` path
- ✅ Problem solved
3. **If you build and run clean**:
- No startup.json exists
- Creates with correct path
- ✅ No problem to begin with
## Verification
After running Jellyfin, check your `startup.json`:
```powershell
Get-Content startup.json | Select-String "WebDir"
```
Expected output:
```json
"WebDir": "wwwroot"
```
## Additional Notes
- The fix is **backward compatible** - won't break anything
- The fix is **non-invasive** - only changes the one field that needs fixing
- The fix is **idempotent** - running multiple times is safe
- Backups are created when using the manual script
## Bottom Line
🎉 **The issue is completely fixed!**
- New files: Created correctly
- Old files: Auto-corrected on load
- Manual option: Script available if needed
Just rebuild and run - Jellyfin will handle the rest automatically.