Microsoft.Extensions.Caching.Memory 11.0.0-preview.2.26159.112

About

Provides implementations for local and distributed in-memory cache. It stores and retrieves data in a fast and efficient way.

Key Features

  • A concrete implementation of the IMemoryCache interface, which represents a local in-memory cache that stores and retrieves data in a fast and efficient way
  • A distributed cache that supports higher scale-out than local cache
  • Expiration and eviction policies for its entries
  • Entry prioritization for when the cache size limit is exceeded and needs to be compacted by entry eviction
  • Track of cache statictics

How to Use

Use Microsoft.Extensions.Caching.Memory over System.Runtime.Caching when working with ASP.NET Core as it provides better integration support. For example, IMemoryCache works natively with ASP.NET Core dependency injection.

Local in-memory serialization:

using Microsoft.Extensions.Caching.Memory;

using MemoryCache cache = new(new MemoryCacheOptions());

object valueToCache = new();
string key = "key";

using (ICacheEntry entry = cache.CreateEntry(key))
{
    // Entries are committed after they are disposed therefore it does not exist yet.
    Console.WriteLine($"Exists: {cache.TryGetValue(key, out _)}\n");

    entry.Value = valueToCache;
    entry.SlidingExpiration = TimeSpan.FromSeconds(2);
}

bool exists = cache.TryGetValue(key, out object? cachedValue);
Console.WriteLine($"Exists: {exists}" );
Console.WriteLine($"cachedValue is valueToCache? {object.ReferenceEquals(cachedValue, valueToCache)}\n");

Console.WriteLine("Wait for the sliding expiration...");
Thread.Sleep(TimeSpan.FromSeconds(2));

Console.WriteLine("Exists: " + cache.TryGetValue(key, out _));

// You can also use the acceleration extensions to set and get entries
string key2 = "key2";
object value2 = new();

cache.Set("key2", value2);

object? cachedValue2 = cache.Get(key2);
Console.WriteLine($"cachedValue2 is value2? {object.ReferenceEquals(cachedValue2, value2)}");

Main Types

The main types provided by this library are:

  • Microsoft.Extensions.Caching.Memory.MemoryCache
  • Microsoft.Extensions.Caching.Memory.MemoryCacheOptions
  • Microsoft.Extensions.Caching.Distributed.MemoryDistributedCache
  • Microsoft.Extensions.Caching.Memory.MemoryDistributedCacheOptions

Additional Documentation

Microsoft.Extensions.Caching.Abstractions

Feedback & Contributing

Microsoft.Extensions.Caching.Memory is released as open source under the MIT license. Bug reports and contributions are welcome at the GitHub repository.

Showing the top 20 packages that depend on Microsoft.Extensions.Caching.Memory.

Packages Downloads
Microsoft.Data.SqlClient
The current data provider for SQL Server and Azure SQL databases. This has replaced System.Data.SqlClient. These classes provide access to SQL and encapsulate database-specific protocols, including tabular data stream (TDS). Commonly Used Types: Microsoft.Data.SqlClient.SqlConnection Microsoft.Data.SqlClient.SqlException Microsoft.Data.SqlClient.SqlParameter Microsoft.Data.SqlClient.SqlDataReader Microsoft.Data.SqlClient.SqlCommand Microsoft.Data.SqlClient.SqlTransaction Microsoft.Data.SqlClient.SqlParameterCollection Microsoft.Data.SqlClient.SqlClientFactory When using NuGet 3.x this package requires at least version 3.4.
 10
bunit
bUnit is a testing library for Blazor components. You can easily define components under test in C# or Razor syntax and verify outcome using semantic HTML diffing/comparison logic. You can interact with and inspect the component under test, trigger event handlers, provide cascading values, and inject services. bUnit also includes a complete fake implementation of Blazor's authentication and authorization logic, navigation manager, and JSInterop.
 9
Microsoft.EntityFrameworkCore
Entity Framework Core is a modern object-database mapper for .NET. It supports LINQ queries, change tracking, updates, and schema migrations. EF Core works with SQL Server, Azure SQL Database, SQLite, Azure Cosmos DB, MySQL, PostgreSQL, and other databases through a provider plugin API. Commonly Used Types: Microsoft.EntityFrameworkCore.DbContext Microsoft.EntityFrameworkCore.DbSet
 6
Microsoft.EntityFrameworkCore.SqlServer
Microsoft SQL Server database provider for Entity Framework Core.
 6
Microsoft.EntityFrameworkCore.Relational
Shared Entity Framework Core components for relational database providers.
 6
bunit
bUnit is a testing library for Blazor components. You can easily define components under test in C# or Razor syntax and verify outcome using semantic HTML diffing/comparison logic. You can interact with and inspect the component under test, trigger event handlers, provide cascading values, and inject services. bUnit also includes a complete fake implementation of Blazor's authentication and authorization logic, navigation manager, and JSInterop.
 6
Microsoft.Data.SqlClient
The current data provider for SQL Server and Azure SQL databases. This has replaced System.Data.SqlClient. These classes provide access to SQL and encapsulate database-specific protocols, including tabular data stream (TDS). Commonly Used Types: Microsoft.Data.SqlClient.SqlConnection Microsoft.Data.SqlClient.SqlException Microsoft.Data.SqlClient.SqlParameter Microsoft.Data.SqlClient.SqlDataReader Microsoft.Data.SqlClient.SqlCommand Microsoft.Data.SqlClient.SqlTransaction Microsoft.Data.SqlClient.SqlParameterCollection Microsoft.Data.SqlClient.SqlClientFactory When using NuGet 3.x this package requires at least version 3.4.
 6
Microsoft.Data.SqlClient
The current data provider for SQL Server and Azure SQL databases. This has replaced System.Data.SqlClient. These classes provide access to SQL and encapsulate database-specific protocols, including tabular data stream (TDS). Commonly Used Types: Microsoft.Data.SqlClient.SqlConnection Microsoft.Data.SqlClient.SqlException Microsoft.Data.SqlClient.SqlParameter Microsoft.Data.SqlClient.SqlDataReader Microsoft.Data.SqlClient.SqlCommand Microsoft.Data.SqlClient.SqlTransaction Microsoft.Data.SqlClient.SqlParameterCollection Microsoft.Data.SqlClient.SqlClientFactory When using NuGet 3.x this package requires at least version 3.4.
 6
bunit.web
bUnit.web is the web specific parts of bUnit, that enables you to easily test and verify the output of Blazor (web) component.
 6
Microsoft.AspNetCore.Mvc
ASP.NET Core MVC is a web framework that gives you a powerful, patterns-based way to build dynamic websites and web APIs. ASP.NET Core MVC enables a clean separation of concerns and gives you full control over markup. This package was built from the source code at https://github.com/aspnet/Mvc/tree/a6199bbfbab05583f987bae322fb04566841aaea
 5
Microsoft.AspNetCore.Mvc
ASP.NET Core MVC is a web framework that gives you a powerful, patterns-based way to build dynamic websites and web APIs. ASP.NET Core MVC enables a clean separation of concerns and gives you full control over markup.
 5
Microsoft.EntityFrameworkCore.SqlServer
Microsoft SQL Server database provider for Entity Framework Core.
 5

https://go.microsoft.com/fwlink/?LinkID=799421

.NET Framework 4.6.2

.NET 10.0

.NET 11.0

.NET Standard 2.0

Version Downloads Last updated
11.0.0-preview.5.26302.115 1 06/14/2026
11.0.0-preview.4.26230.115 2 05/17/2026
11.0.0-preview.3.26207.106 5 04/25/2026
11.0.0-preview.2.26159.112 3 04/25/2026
11.0.0-preview.1.26104.118 3 04/25/2026
10.0.9 1 06/14/2026
10.0.8 2 05/17/2026
10.0.7 5 04/25/2026
10.0.6 3 04/25/2026
10.0.5 4 03/20/2026
10.0.4 3 04/25/2026
10.0.3 3 04/25/2026
10.0.2 3 04/25/2026
10.0.1 4 04/25/2026
10.0.0 6 03/28/2026
10.0.0-rc.2.25502.107 3 04/25/2026
10.0.0-rc.1.25451.107 3 04/25/2026
10.0.0-preview.7.25380.108 3 04/25/2026
10.0.0-preview.6.25358.103 3 04/25/2026
10.0.0-preview.5.25277.114 3 04/25/2026
10.0.0-preview.4.25258.110 4 04/25/2026
10.0.0-preview.3.25171.5 3 04/25/2026
10.0.0-preview.2.25163.2 3 04/25/2026
10.0.0-preview.1.25080.5 3 04/25/2026
9.0.17 1 06/13/2026
9.0.16 3 05/17/2026
9.0.15 3 04/25/2026
9.0.14 3 04/25/2026
9.0.13 4 04/25/2026
9.0.12 3 04/25/2026
9.0.11 3 04/25/2026
9.0.10 3 04/25/2026
9.0.9 4 04/25/2026
9.0.8 3 04/25/2026
9.0.7 3 04/25/2026
9.0.6 3 04/25/2026
9.0.5 3 04/25/2026
9.0.4 4 04/25/2026
9.0.3 3 04/25/2026
9.0.2 3 04/25/2026
9.0.1 6 03/19/2026
9.0.0 3 04/25/2026
9.0.0-rc.2.24473.5 3 04/25/2026
9.0.0-rc.1.24431.7 4 04/25/2026
9.0.0-preview.7.24405.7 4 04/25/2026
9.0.0-preview.6.24327.7 3 04/25/2026
9.0.0-preview.5.24306.7 3 04/25/2026
9.0.0-preview.4.24266.19 3 04/25/2026
9.0.0-preview.3.24172.9 3 04/25/2026
9.0.0-preview.2.24128.5 4 04/25/2026
9.0.0-preview.1.24080.9 3 04/25/2026
8.0.1 3 04/25/2026
8.0.0 3 04/25/2026
8.0.0-rc.2.23479.6 3 04/25/2026
8.0.0-rc.1.23419.4 3 04/25/2026
8.0.0-preview.7.23375.6 3 04/25/2026
8.0.0-preview.6.23329.7 4 04/25/2026
8.0.0-preview.5.23280.8 3 04/25/2026
8.0.0-preview.4.23259.5 3 04/25/2026
8.0.0-preview.3.23174.8 4 04/25/2026
8.0.0-preview.2.23128.3 3 04/25/2026
8.0.0-preview.1.23110.8 3 04/25/2026
7.0.0 3 04/25/2026
7.0.0-rc.2.22472.3 3 04/25/2026
7.0.0-rc.1.22426.10 3 04/25/2026
7.0.0-preview.7.22375.6 3 04/25/2026
7.0.0-preview.6.22324.4 3 04/25/2026
7.0.0-preview.5.22301.12 3 04/25/2026
7.0.0-preview.4.22229.4 3 04/25/2026
7.0.0-preview.3.22175.4 3 04/25/2026
7.0.0-preview.2.22152.2 3 04/25/2026
7.0.0-preview.1.22076.8 3 04/25/2026
6.0.3 3 04/25/2026
6.0.2 3 04/25/2026
6.0.1 3 04/25/2026
6.0.0 3 04/25/2026
6.0.0-rc.2.21480.5 3 04/25/2026
6.0.0-rc.1.21451.13 3 04/25/2026
6.0.0-preview.7.21377.19 3 04/25/2026
6.0.0-preview.6.21352.12 3 04/25/2026
6.0.0-preview.5.21301.5 3 04/25/2026
6.0.0-preview.4.21253.7 3 04/25/2026
6.0.0-preview.3.21201.4 4 04/25/2026
6.0.0-preview.2.21154.6 4 04/25/2026
6.0.0-preview.1.21102.12 3 04/25/2026
5.0.0 3 04/25/2026
5.0.0-rc.2.20475.5 3 04/25/2026
5.0.0-rc.1.20451.14 3 04/25/2026
5.0.0-preview.8.20407.11 3 04/25/2026
5.0.0-preview.7.20364.11 3 04/25/2026
5.0.0-preview.6.20305.6 3 04/25/2026
5.0.0-preview.5.20278.1 3 04/25/2026
5.0.0-preview.4.20251.6 3 04/25/2026
5.0.0-preview.3.20215.2 3 04/25/2026
5.0.0-preview.2.20160.3 4 04/25/2026
5.0.0-preview.1.20120.4 3 04/25/2026
3.1.32 3 04/25/2026
3.1.31 3 04/25/2026
3.1.30 4 04/25/2026
3.1.29 3 04/25/2026
3.1.28 4 04/25/2026
3.1.27 3 04/25/2026
3.1.26 3 04/25/2026
3.1.25 3 04/25/2026
3.1.24 3 04/25/2026
3.1.23 3 04/25/2026
3.1.22 3 04/25/2026
3.1.21 3 04/25/2026
3.1.20 3 04/25/2026
3.1.19 3 04/25/2026
3.1.18 3 04/25/2026
3.1.17 3 04/25/2026
3.1.16 3 04/25/2026
3.1.15 3 04/25/2026
3.1.14 3 04/25/2026
3.1.13 4 04/25/2026
3.1.12 3 04/25/2026
3.1.11 3 04/25/2026
3.1.10 3 04/25/2026
3.1.9 3 04/25/2026
3.1.8 3 04/25/2026
3.1.7 3 04/25/2026
3.1.6 3 04/25/2026
3.1.5 3 04/25/2026
3.1.4 3 04/25/2026
3.1.3 3 04/25/2026
3.1.2 3 04/25/2026
3.1.1 4 04/25/2026
3.1.0 3 04/25/2026
3.1.0-preview3.19553.2 3 04/25/2026
3.1.0-preview2.19525.4 3 04/25/2026
3.1.0-preview1.19506.1 4 04/25/2026
3.0.3 4 04/25/2026
3.0.2 4 04/25/2026
3.0.1 3 04/25/2026
3.0.0 3 04/25/2026
3.0.0-rc1.19456.10 3 04/25/2026
3.0.0-preview9.19423.4 4 04/25/2026
3.0.0-preview8.19405.4 3 04/25/2026
3.0.0-preview7.19362.4 3 04/25/2026
3.0.0-preview6.19304.6 3 04/25/2026
3.0.0-preview5.19227.9 3 04/25/2026
3.0.0-preview4.19216.2 3 04/25/2026
3.0.0-preview3.19153.1 3 04/25/2026
3.0.0-preview.19074.2 3 04/25/2026
3.0.0-preview.18572.1 4 04/24/2026
2.2.0 4 04/25/2026
2.2.0-preview3-35497 3 04/25/2026
2.2.0-preview2-35157 4 04/25/2026
2.2.0-preview1-35029 3 04/25/2026
2.1.23 3 04/25/2026
2.1.2 3 04/25/2026
2.1.1 3 04/25/2026
2.1.0 3 04/25/2026
2.1.0-rc1-final 3 04/25/2026
2.1.0-preview2-final 3 04/25/2026
2.1.0-preview1-final 3 04/25/2026
2.0.2 3 04/25/2026
2.0.1 3 04/25/2026
2.0.0 4 04/25/2026
2.0.0-preview2-final 3 04/25/2026
2.0.0-preview1-final 3 04/25/2026
1.1.2 3 04/25/2026
1.1.1 3 04/25/2026
1.1.0 3 04/25/2026
1.1.0-preview1-final 3 04/25/2026
1.0.2 3 04/25/2026
1.0.1 3 04/25/2026
1.0.0 3 04/25/2026
1.0.0-rc2-final 3 04/25/2026
1.0.0-rc1-final 3 04/25/2026