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https://issues.apache.org/jira/browse/HDFS-8386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14575579#comment-14575579
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Rakesh R commented on HDFS-8386:
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Thank you [~szetszwo] for the detailed explanation. I got your point. How about
raising a trivial improvement jira task and put a patch over there to do the
suggested changes in trunk?. Also, I've raised HDFS-8550 separate jira to
correct the synchronization part in HDFS-7285 branch.
> Improve synchronization of 'streamer' reference in DFSOutputStream
> ------------------------------------------------------------------
>
> Key: HDFS-8386
> URL: https://issues.apache.org/jira/browse/HDFS-8386
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs-client
> Reporter: Rakesh R
> Assignee: Rakesh R
> Fix For: 2.8.0
>
> Attachments: HDFS-8386-00.patch, HDFS-8386-01.patch
>
>
> Presently {{DFSOutputStream#streamer}} object reference is accessed
> inconsistently with respect to synchronization. It would be good to improve
> this part. This has been noticed when implementing the erasure coding feature.
> Please refer the related [discussion
> thread|https://issues.apache.org/jira/browse/HDFS-8294?focusedCommentId=14541411&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14541411]
> in the jira HDFS-8294 for more details.
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