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Release 5.23.0
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‎CHANGELOG.md

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Release Notes
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====
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# 06-29-2025
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<a href="https://www.nuget.org/packages/dotnext/5.23.0">DotNext 5.23.0</a>
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* Added `Atomic.Read` and `Atomic.Write` methods for **long** and **ulong** data types for cross-architecture support of atomic reads/writes
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* Fixed compatibility with 32-bit arch for `Timstamp` data type
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<a href="https://www.nuget.org/packages/dotnext.metaprogramming/5.23.0">DotNext.Metaprogramming 5.23.0</a>
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* Updated dependencies
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<a href="https://www.nuget.org/packages/dotnext.unsafe/5.23.0">DotNext.Unsafe 5.23.0</a>
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* Added `UnmanagedMemory<T>` data type that provides allocation of the blittable value in the unmanaged memory in CLS-compliant manner
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* Introduced `UnmanagedMemory.Discard` static method for detaching of the physical memory from the virtual memory page
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<a href="https://www.nuget.org/packages/dotnext.threading/5.23.0">DotNext.Threading 5.23.0</a>
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* Fixed compatibility with 32-bit arch for asynchronous primitives and `IndexPool` data type
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* Replaced spin wait with the monitor lock for value task sources
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<a href="https://www.nuget.org/packages/dotnext.io/5.23.0">DotNext.IO 5.23.0</a>
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* Updated dependencies
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<a href="https://www.nuget.org/packages/dotnext.net.cluster/5.23.0">DotNext.Net.Cluster 5.23.0</a>
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* Introduced private memory allocation type for `WriteAheadLog` class
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* Added support of Linux Transparent Huge Pages for `WriteAheadLog` class when private memory allocation is enabled
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* `WriteAheadLog.FlushAsync` ensures that the background flush is completed
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<a href="https://www.nuget.org/packages/dotnext.aspnetcore.cluster/5.23.0">DotNext.AspNetCore.Cluster 5.23.0</a>
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* Updated dependencies
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# 05-30-2025
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<a href="https://www.nuget.org/packages/dotnext/5.22.0">DotNext 5.22.0</a>
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* Added `!` operator overloading for the result and optional types: [261](https://github.com/dotnet/dotNext/pull/261)

‎README.md

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* [NuGet Packages](https://www.nuget.org/profiles/rvsakno)
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# What's new
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Release Date: 05-30-2025
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Release Date: 06-29-2025
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<a href="https://www.nuget.org/packages/dotnext/5.22.0">DotNext 5.22.0</a>
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* Added `!` operator overloading for the result and optional types: [261](https://github.com/dotnet/dotNext/pull/261)
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<a href="https://www.nuget.org/packages/dotnext/5.23.0">DotNext 5.23.0</a>
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* Added `Atomic.Read` and `Atomic.Write` methods for **long** and **ulong** data types for cross-architecture support of atomic reads/writes
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* Fixed compatibility with 32-bit arch for `Timstamp` data type
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<a href="https://www.nuget.org/packages/dotnext.metaprogramming/5.22.0">DotNext.Metaprogramming 5.22.0</a>
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<a href="https://www.nuget.org/packages/dotnext.metaprogramming/5.23.0">DotNext.Metaprogramming 5.23.0</a>
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* Updated dependencies
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<a href="https://www.nuget.org/packages/dotnext.unsafe/5.22.0">DotNext.Unsafe 5.22.0</a>
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* Updated dependencies
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<a href="https://www.nuget.org/packages/dotnext.unsafe/5.23.0">DotNext.Unsafe 5.23.0</a>
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* Added `UnmanagedMemory<T>` data type that provides allocation of the blittable value in the unmanaged memory in CLS-compliant manner
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* Introduced `UnmanagedMemory.Discard` static method for detaching of the physical memory from the virtual memory page
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<a href="https://www.nuget.org/packages/dotnext.threading/5.22.0">DotNext.Threading 5.22.0</a>
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* Added `Interrupt` method to `AsyncTrigger` class
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<a href="https://www.nuget.org/packages/dotnext.threading/5.23.0">DotNext.Threading 5.23.0</a>
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* Fixed compatibility with 32-bit arch for asynchronous primitives and `IndexPool` data type
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* Replaced spin wait with the monitor lock for value task sources
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<a href="https://www.nuget.org/packages/dotnext.io/5.22.0">DotNext.IO 5.22.0</a>
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<a href="https://www.nuget.org/packages/dotnext.io/5.23.0">DotNext.IO 5.23.0</a>
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* Updated dependencies
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<a href="https://www.nuget.org/packages/dotnext.net.cluster/5.22.0">DotNext.Net.Cluster 5.22.0</a>
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* Introduced a new `WriteAheadLog` experimental class as long-term replacement of `MemoryBasedStateMachine` and `DiskBasedStateMachine`. Both classes remain available in the current major version. However, they are subject to removal in the next major version. A new write-ahead log provides much better performance, simpler configuration and simpler API
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<a href="https://www.nuget.org/packages/dotnext.net.cluster/5.23.0">DotNext.Net.Cluster 5.23.0</a>
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* Introduced private memory allocation type for `WriteAheadLog` class
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* Added support of Linux Transparent Huge Pages for `WriteAheadLog` class when private memory allocation is enabled
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* `WriteAheadLog.FlushAsync` ensures that the background flush is completed
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<a href="https://www.nuget.org/packages/dotnext.aspnetcore.cluster/5.22.0">DotNext.AspNetCore.Cluster 5.22.0</a>
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* Added new configuration helper methods to support new write-ahead log
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<a href="https://www.nuget.org/packages/dotnext.aspnetcore.cluster/5.23.0">DotNext.AspNetCore.Cluster 5.23.0</a>
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* Updated dependencies
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Changelog for previous versions located [here](./CHANGELOG.md).
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‎src/Directory.Packages.props

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</ItemGroup>
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<ItemGroup>
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<!--Microsoft packages-->
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<PackageVersion Include="Microsoft.AspNetCore.Connections.Abstractions" Version="8.0.14" />
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<PackageVersion Include="Microsoft.AspNetCore.Connections.Abstractions" Version="8.0.16" />
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<PackageVersion Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.3" />
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<PackageVersion Include="Microsoft.Extensions.Hosting.Abstractions" Version="8.0.1" />
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<PackageVersion Include="Microsoft.Extensions.Hosting" Version="8.0.1" />
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<PackageVersion Include="Microsoft.Extensions.Http" Version="8.0.1" />
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<PackageVersion Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="8.0.0" />
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<PackageVersion Include="Microsoft.Extensions.Logging.Console" Version="8.0.1" />
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<PackageVersion Include="Microsoft.IO.RecyclableMemoryStream" Version="3.0.1" />
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<PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
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<PackageVersion Include="MSTest.Engine" Version="1.0.0-alpha.25167.10" />
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<PackageVersion Include="MSTest.SourceGeneration" Version="1.0.0-alpha.25167.10" />
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<PackageVersion Include="Microsoft.Testing.Extensions.TrxReport" Version="1.6.3" />
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<PackageVersion Include="Microsoft.Testing.Platform.MSBuild" Version="1.6.3" />
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<PackageVersion Include="MSTest.TestFramework" Version="3.8.3" />
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<PackageVersion Include="MSTest.Analyzers" Version="3.8.3" />
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<PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
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<PackageVersion Include="MSTest.Engine" Version="1.0.0-alpha.25277.3" />
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<PackageVersion Include="MSTest.SourceGeneration" Version="1.0.0-alpha.25277.3" />
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<PackageVersion Include="Microsoft.Testing.Extensions.TrxReport" Version="1.7.1" />
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<PackageVersion Include="Microsoft.Testing.Platform.MSBuild" Version="1.7.1" />
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<PackageVersion Include="MSTest.TestFramework" Version="3.9.1" />
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<PackageVersion Include="MSTest.Analyzers" Version="3.9.1" />
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</ItemGroup>
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<ItemGroup>
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<!--Misc packages-->
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<PackageVersion Include="BenchmarkDotNet" Version="0.14.0" />
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<PackageVersion Include="BenchmarkDotNet" Version="0.15.0" />
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<PackageVersion Include="FastMember.Signed" Version="1.5.0" />
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<PackageVersion Include="xunit" Version="2.9.3" />
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<PackageVersion Include="xunit.runner.visualstudio" Version="3.0.2" />
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<PackageVersion Include="xunit.runner.visualstudio" Version="3.1.0" />
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<PackageVersion Include="coverlet.collector" Version="6.0.4" />
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</ItemGroup>
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</Project>

‎src/DotNext.AotTests/DotNext.AotTests.csproj

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<RootNamespace>DotNext</RootNamespace>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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<Version>5.22.0</Version>
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<IsPackable>false</IsPackable>
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<Authors>.NET Foundation and Contributors</Authors>
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<Product>.NEXT Family of Libraries</Product>

‎src/DotNext.Benchmarks.WAL/DotNext.Benchmarks.WAL.csproj

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<Copyright>Copyright © .NET Foundation and Contributors</Copyright>
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<RootNamespace>DotNext.Benchmarks.WAL</RootNamespace>
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<NoWarn>$(NoWarn);DOTNEXT001</NoWarn>
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<Version>5.22.0</Version>
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</PropertyGroup>
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<ItemGroup>

‎src/DotNext.Benchmarks.WAL/Program.cs

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using FASTER.core;
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const int count = 2000;
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const int entrySize = 1024;
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using var cts = new ConsoleLifetimeTokenSource();
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Console.WriteLine("Starting DotNext WAL Performance Test...");
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static async Task DotNextWalPerformanceTest(CancellationToken token)
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{
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var root = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());
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// page size is 512 KB
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var wal = new WriteAheadLog(new() { Location = root, ChunkMaxSize = 512 * 1024 }, new NoOpStateMachine());
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var options = new WriteAheadLog.Options
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{
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Location = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName()),
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ChunkSize = 512 * 1024, // page size is 512 KB
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MemoryManagement = WriteAheadLog.MemoryManagementStrategy.PrivateMemory,
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};
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var wal = new WriteAheadLog(options, new NoOpStateMachine());
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try
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{
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Memory<byte> buffer = new byte[1024];
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Memory<byte> buffer = new byte[entrySize];
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Random.Shared.NextBytes(buffer.Span);
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var index = 0L;
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var ts = new Timestamp();
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for (var i = 0; i < count; i++)
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{
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index = await wal.AppendAsync(buffer, token: token).ConfigureAwait(false);
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var index = await wal.AppendAsync(buffer, token: token).ConfigureAwait(false);
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await wal.CommitAsync(index, token).ConfigureAwait(false);
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}
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await wal.WaitForApplyAsync(index, token).ConfigureAwait(false);
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Console.WriteLine($"Finished. Elapsed time: {ts.Elapsed}");
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await wal.FlushAsync(token).ConfigureAwait(false);
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finally
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// page size is 512 KB
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using var fasterLog = new FasterLog(new FasterLogSettings(root) { PageSize = 1L << 22 });
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// file size is 512 KB
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using var fasterLog = new FasterLog(new FasterLogSettings(root) { SegmentSize = 1L << 22 });
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var committer = Task.Run(async () =>
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Random.Shared.NextBytes(buffer.Span);
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‎src/DotNext.Benchmarks/DotNext.Benchmarks.csproj

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<RootNamespace>DotNext</RootNamespace>
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<StartupObject>DotNext.Program</StartupObject>
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<IsPackable>false</IsPackable>
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<Version>5.22.0</Version>
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<Authors>.NET Foundation and Contributors</Authors>
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<Product>.NEXT Family of Libraries</Product>
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<Description>Various benchmarks demonstrating performance aspects of .NEXT extensions</Description>

‎src/DotNext.IO/DotNext.IO.csproj

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<Authors>.NET Foundation and Contributors</Authors>
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<Company />
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<Product>.NEXT Family of Libraries</Product>
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<VersionPrefix>5.22.0</VersionPrefix>
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<VersionPrefix>5.23.0</VersionPrefix>
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<VersionSuffix></VersionSuffix>
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<AssemblyName>DotNext.IO</AssemblyName>
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<PackageLicenseExpression>MIT</PackageLicenseExpression>

‎src/DotNext.Metaprogramming/DotNext.Metaprogramming.csproj

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<ImplicitUsings>true</ImplicitUsings>
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<IsAotCompatible>false</IsAotCompatible>
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<Features>nullablePublicOnly</Features>
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<VersionPrefix>5.22.0</VersionPrefix>
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<VersionPrefix>5.23.0</VersionPrefix>
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<VersionSuffix></VersionSuffix>
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<Authors>.NET Foundation</Authors>
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<Product>.NEXT Family of Libraries</Product>

‎src/DotNext.Tests/.runsettings

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<RunConfiguration>
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<TestSessionTimeout>300000</TestSessionTimeout>
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<TargetFrameworkVersion>net8.0</TargetFrameworkVersion>
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<LongRunningTestSeconds>30</LongRunningTestSeconds>
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<DiagnosticMessages>true</DiagnosticMessages>
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</RunConfiguration>
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<DataCollectionRunSettings>
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<DataCollectors>

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