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https://issues.apache.org/jira/browse/SPARK-33790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17265724#comment-17265724
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dzcxzl edited comment on SPARK-33790 at 1/15/21, 4:25 PM:
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Thread stack when not working.
PID 117049 0x1c939
!top.png!
!jstack.png!
[https://github.com/scala/bug/issues/10436]
was (Author: dzcxzl):
Thread stack when not working
!http://git.dev.sh.ctripcorp.com/framework-di/spark-2.2.0/uploads/9cfa9662f563ac64f77f4d4ee6fd9243/image.png!
[https://github.com/scala/bug/issues/10436]
> Reduce the rpc call of getFileStatus in SingleFileEventLogFileReader
> --------------------------------------------------------------------
>
> Key: SPARK-33790
> URL: https://issues.apache.org/jira/browse/SPARK-33790
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 3.0.1
> Reporter: dzcxzl
> Assignee: dzcxzl
> Priority: Critical
> Fix For: 3.0.2, 3.2.0, 3.1.1
>
>
> FsHistoryProvider#checkForLogs already has FileStatus when constructing
> SingleFileEventLogFileReader, and there is no need to get the FileStatus
> again when SingleFileEventLogFileReader#fileSizeForLastIndex.
> This can reduce a lot of rpc calls and improve the speed of the history
> server.
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