Add ZSteam un-chunking notes #9695
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For performance reasons it is important to know which `ZStream` operators destroy the chunking structure. In this PR we attempt to find all those operators and add a note about this behavior. The note no longer recommends to use `rechunk` because in some contexts this is spectacular bad advice (for example, rechunking a stream that only produces items once every few minutes, common in zio-kafka applications, causes unpredictable high processing delays).
calvinlfer
approved these changes
Mar 14, 2025
hearnadam
approved these changes
Mar 15, 2025
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For performance reasons it is important to know which
ZStreamoperators destroy the chunking structure. In this PR we attempt to find all those operators and add a note about this behavior.The note no longer recommends to use
rechunkbecause in some contexts this is spectacular bad advice (for example, rechunking a stream that only produces items once every few minutes, common in zio-kafka applications, causes unpredictable high processing delays).