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Posted to dev@flink.apache.org by "Yingjie Cao (Jira)" <ji...@apache.org> on 2021/03/15 06:28:00 UTC
[jira] [Created] (FLINK-21789) Make
FileChannelManagerImpl#getNextPathNum select data directory fairly
Yingjie Cao created FLINK-21789:
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Summary: Make FileChannelManagerImpl#getNextPathNum select data directory fairly
Key: FLINK-21789
URL: https://issues.apache.org/jira/browse/FLINK-21789
Project: Flink
Issue Type: Improvement
Components: Runtime / Network
Reporter: Yingjie Cao
Fix For: 1.13.0
The get and increase next path index inĀ FileChannelManagerImpl#getNextPathNum is not atomic which may cause unfairness of data directory selection (bad for performance if multiple disk is configured).
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