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https://issues.apache.org/jira/browse/SPARK-33790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17265812#comment-17265812
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dzcxzl commented on SPARK-33790:
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ok, I opened a JIRA [SPARK-34125
|https://issues.apache.org/jira/browse/SPARK-34125]
> 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: 3.2.0
>
>
> 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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