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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-8386) Improve synchronization of 'streamer' reference in DFSOutputStream
Date Tue, 02 Jun 2015 22:38:50 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8386?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Wang updated HDFS-8386:
------------------------------
    Summary: Improve synchronization of 'streamer' reference in DFSOutputStream  (was: Improve
synchronization of 'streamer' reference in DFSOutputStream - accessed inconsistently with
respect to synchronization)

> 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
>         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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