HybridCache: ensure that Size is always specified in L1 #5420
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RussKie
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src/Libraries/Microsoft.Extensions.Caching.Hybrid/Internal/DefaultHybridCache.StampedeStateT.cs
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BrennanConroy
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RussKie
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src/Libraries/Microsoft.Extensions.Caching.Hybrid/Internal/DefaultHybridCache.L2.cs
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Context: dotnet/aspnetcore#57582 -
MemoryCachemay (opt-in) be enforcing size constraints; to satisfy that scenario, every L1 "set" operation must include anICacheEntry.Size(primary review here is probably from aspnetcore; all eyes are welcome, of course)
At first this sounds simple, but it means that we may need to serialize before we set the result, but we want to retain that buffer for the L2 write, which happens after we've supplied the value to the consumer. This requires a little bit of additional gymnastics; lots of comments included. Note also that
BufferReleaseTestsalready has tests to ensure correct buffer release semantics.Microsoft Reviewers: Open in CodeFlow