[jira] [Resolved] (IMPALA-11548) TTransportException can be thrown for RPC connection that is open for long time

["Riza Suminto (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-11548?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Riza Suminto resolved IMPALA-11548.
-----------------------------------
    Fix Version/s: Impala 4.2.0
       Resolution: Fixed

The fix has been merged
https://gerrit.cloudera.org/#/c/18938/

> TTransportException can be thrown for RPC connection that is open for long time
> -------------------------------------------------------------------------------
>
>                 Key: IMPALA-11548
>                 URL: https://issues.apache.org/jira/browse/IMPALA-11548
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Backend
>    Affects Versions: Impala 4.2.0
>            Reporter: Riza Suminto
>            Assignee: Riza Suminto
>            Priority: Major
>             Fix For: Impala 4.2.0
>
>
> After Impala upgrade CPP thrift version to 0.16.0, we are seeing TTransportException thrown for RPC connection that is open for long time.
> thrift-0.16.0 add counter to limit message size at [https://github.com/apache/thrift/commit/63213c1].
> The TTransportException is thrown when remainingMessageSize < numBytes, indicating that TTransport was not flushed properly.
> This is presumably due to the fact that both input_ and output_ TProtocol within TAcceptQueueServer::Task has different TTransport object within them. Letting both input_ and output_to share the same TTransport object might fix the flushing mechanism and properly reset the limit counter of the shared TTransport.
> See:
> [https://github.com/apache/impala/blob/fec7a79c50de9ef5db2c652ece111aaa303d57c7/be/src/transport/TSaslServerTransport.cpp#L132-L146] 



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