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https://issues.apache.org/jira/browse/KAFKA-20302?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Edoardo Comar updated KAFKA-20302:
----------------------------------
Affects Version/s: 4.1.1
4.2.0
3.9.2
4.3.0
> Receive buffers allocated from MemoryPool may not be released if request is
> invalid
> -----------------------------------------------------------------------------------
>
> Key: KAFKA-20302
> URL: https://issues.apache.org/jira/browse/KAFKA-20302
> Project: Kafka
> Issue Type: Bug
> Components: network
> Affects Versions: 3.9.2, 4.2.0, 4.3.0, 4.1.1
> Reporter: Edoardo Comar
> Priority: Critical
>
> If the configuration entry`queued.max.request.bytes` is set ,
> network receives buffer are allocated from a
> SimpleMemoryPool
>
> if an exception is thrown in
> SocketServer.Processor.processCompletedReceives()
> e.g. an
> InvalidRequestException or UnsupportedVersionException
> in parseRequestHeader()
> for a request that requires delayed allocation,
> the buffer is never released.
> Eventually the memory pool is depleted and the broker no longer processes any
> request
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