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@bitfaster bitfaster released this 11 Mar 01:32
· 262 commits to main since this release
v2.1.2
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What's changed

  • Added an ItemUpdated event for all LRU classes, including the scoped and atomic cache decorators.
  • ConcurrentTLru/FastConcurrentTLru now use a clock based on Environment.TickCount64 for .NET Core 3 and .NET6 build targets, instead of Stopwatch.GetTimestamp. The smallest reliable time to live increases from about 1us to about 16ms (so precision is now worse), but the overhead of the TLRU policy drops significantly from about 170% to 20%. This seems like a good tradeoff, since expiring items faster than 16ms is not common. .NET Standard continues to use the previous high resolution clock since TickCount is 32 bit only on .NET Framework.
  • On .NET Core 3 and .NET6 LruBuilder will automatically fall back to the previous higher resolution clock if the specified TTL is less than 32ms.
  • Fixed Atomic cache count and enumeration methods such that partially created items are not visible externally. Count, enumerate and TryGet methods now all return consistent results if a factory delegate throws during item creation.
  • Fixed Atomic cache debug view, all caches now have a consistent debugger experience.

Full changelog: v2.1.1...v2.1.2

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