Change number of read connections based on # of threads and add comments

This commit is contained in:
Bond_009 2023-04-21 14:05:27 +02:00
parent 8dba3a44fd
commit 13152bf09d
2 changed files with 18 additions and 3 deletions

View File

@ -1,16 +1,22 @@
#pragma warning disable CS1591
using System;
using System.Collections.Concurrent;
using SQLitePCL.pretty;
namespace Emby.Server.Implementations.Data;
/// <summary>
/// A pool of SQLite Database connections.
/// </summary>
public sealed class ConnectionPool : IDisposable
{
private readonly BlockingCollection<SQLiteDatabaseConnection> _connections = new();
private bool _disposed;
/// <summary>
/// Initializes a new instance of the <see cref="ConnectionPool" /> class.
/// </summary>
/// <param name="count">The number of database connection to create.</param>
/// <param name="factory">Factory function to create the database connections.</param>
public ConnectionPool(int count, Func<SQLiteDatabaseConnection> factory)
{
for (int i = 0; i < count; i++)
@ -19,6 +25,10 @@ public sealed class ConnectionPool : IDisposable
}
}
/// <summary>
/// Gets a database connection from the pool if one is available, otherwise blocks.
/// </summary>
/// <returns>A database connection.</returns>
public ManagedConnection GetConnection()
{
if (_disposed)
@ -34,6 +44,10 @@ public sealed class ConnectionPool : IDisposable
}
}
/// <summary>
/// Return a database connection to the pool.
/// </summary>
/// <param name="connection">The database connection to return.</param>
public void Return(SQLiteDatabaseConnection connection)
{
if (_disposed)
@ -45,6 +59,7 @@ public sealed class ConnectionPool : IDisposable
_connections.Add(connection);
}
/// <inheritdoc />
public void Dispose()
{
if (_disposed)

View File

@ -336,7 +336,7 @@ namespace Emby.Server.Implementations.Data
_jsonOptions = JsonDefaults.Options;
DbFilePath = Path.Combine(_config.ApplicationPaths.DataPath, "library.db");
ReadConnectionsCount = 5;
ReadConnectionsCount = Environment.ProcessorCount * 2;
}
/// <inheritdoc />