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Limit StorageNode's caches capacity #360

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Limit StorageNode's caches capacity #360

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954dfd2
Limit `StorageNode`'s caches capacity
SergeiPavlov Mar 1, 2025
90391f9
Remove using
SergeiPavlov Mar 1, 2025
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26 changes: 12 additions & 14 deletions Orm/Xtensive.Orm/Orm/StorageNode.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -4,11 +4,7 @@
// Created by: Denis Krjuchkov
// Created: 2014.03.13

using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using BitFaster.Caching.Lru;
using Xtensive.Core;
using Xtensive.Orm.Configuration;
using Xtensive.Orm.Interfaces;
Expand All @@ -26,6 +22,8 @@ namespace Xtensive.Orm
/// </summary>
public sealed class StorageNode : ISessionSource
{
private const int CacheCapacity = 256;

private readonly Domain domain;

/// <summary>
Expand All @@ -51,29 +49,29 @@ public sealed class StorageNode : ISessionSource
/// <summary>
/// Caches providers that lock certain type of entity with certain <see cref="LockMode"/> and <see cref="LockBehavior"/>.
/// </summary>
internal ConcurrentDictionary<(TypeInfo, LockMode, LockBehavior), ExecutableProvider> EntityLockProviderCache { get; } = new();
internal FastConcurrentLru<(TypeInfo, LockMode, LockBehavior), ExecutableProvider> EntityLockProviderCache { get; } = new(CacheCapacity);

/// <summary>
/// Caches uncompiled queries used by <see cref="PrefetchManager"/> to fetch certain entities.
/// </summary>
internal ConcurrentDictionary<RecordSetCacheKey, CompilableProvider> EntityFetchQueryCache { get; } = new();
internal FastConcurrentLru<RecordSetCacheKey, CompilableProvider> EntityFetchQueryCache { get; } = new(CacheCapacity);

/// <summary>
/// Caches uncompiled queries used by <see cref="PrefetchManager"/> to fetch <see cref="EntitySet{TItem}"/> content.
/// </summary>
internal ConcurrentDictionary<ItemsQueryCacheKey, CompilableProvider> EntitySetFetchQueryCache { get; } = new();
internal FastConcurrentLru<ItemsQueryCacheKey, CompilableProvider> EntitySetFetchQueryCache { get; } = new(CacheCapacity);

/// <summary>
/// Caches certain info about EntitySet fields, e.g. queries to fetch current count or items.
/// </summary>
internal ConcurrentDictionary<Xtensive.Orm.Model.FieldInfo, EntitySetTypeState> EntitySetTypeStateCache { get; } = new();
internal FastConcurrentLru<Xtensive.Orm.Model.FieldInfo, EntitySetTypeState> EntitySetTypeStateCache { get; } = new(CacheCapacity);

/// <summary>
/// Caches queries that get references to entities for certain association.
/// </summary>
internal ConcurrentDictionary<AssociationInfo, (CompilableProvider, Parameter<Xtensive.Tuples.Tuple>)> RefsToEntityQueryCache { get; } = new();
internal ConcurrentDictionary<SequenceInfo, CachingSequence> KeySequencesCache { get; } = new();
internal ConcurrentDictionary<PersistRequestBuilderTask, IReadOnlyList<PreparedPersistRequest>> PersistRequestCache { get; } = new();
internal FastConcurrentLru<AssociationInfo, (CompilableProvider, Parameter<Xtensive.Tuples.Tuple>)> RefsToEntityQueryCache { get; } = new(CacheCapacity);
internal FastConcurrentLru<SequenceInfo, CachingSequence> KeySequencesCache { get; } = new(CacheCapacity);
internal FastConcurrentLru<PersistRequestBuilderTask, IReadOnlyList<PreparedPersistRequest>> PersistRequestCache { get; } = new(CacheCapacity);

/// <inheritdoc/>
public Session OpenSession() =>
Expand Down Expand Up @@ -115,8 +113,8 @@ public Task<Session> OpenSessionAsync(SessionConfiguration configuration, Cancel

public void ClearSequenceCaches()
{
foreach (var seq in KeySequencesCache.Values) {
seq.Reset();
foreach (var (_, v) in KeySequencesCache) {
v.Reset();
}
}

Expand Down