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https://issues.apache.org/jira/browse/FLINK-25860?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yingjie Cao closed FLINK-25860.
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Resolution: Fixed
> Move read buffer allocation and output file creation to setup method for
> sort-shuffle result partition to avoid blocking main thread
> ------------------------------------------------------------------------------------------------------------------------------------
>
> Key: FLINK-25860
> URL: https://issues.apache.org/jira/browse/FLINK-25860
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Network
> Reporter: Yingjie Cao
> Assignee: Yuxin Tan
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.15.0
>
>
> Currently, the read buffer allocation and output file creation of
> sort-shuffle is performed by the main thread. These operations are a little
> heavy and can block the main thread for a while which may influence other RPC
> calls including follow-up task deployment. This ticket aims to solve the
> issue by moving read buffer allocation and output file creation to setup
> method.
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