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https://issues.apache.org/jira/browse/HDFS-15709?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wei-Chiu Chuang resolved HDFS-15709.
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Fix Version/s: 3.2.3
3.1.5
3.4.0
3.3.1
Resolution: Fixed
Thanks! I merged the PR and cherrypicked the fix to branch-3.* branches.
> EC: Socket file descriptor leak in StripedBlockChecksumReconstructor
> --------------------------------------------------------------------
>
> Key: HDFS-15709
> URL: https://issues.apache.org/jira/browse/HDFS-15709
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode, ec, erasure-coding
> Reporter: Yushi Hayasaka
> Assignee: Yushi Hayasaka
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.3.1, 3.4.0, 3.1.5, 3.2.3
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> We found a socket file descriptor leak when we tried to get the checksum of
> EC file with reconstruction happened during the operation.
> The cause of the leak seems that the StripedBlockChecksumReconstructor does
> not close StripedReader. Making the reader closed, the CLOSE_WAIT connections
> are gone.
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