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Posted to hdfs-issues@hadoop.apache.org by "Colin Patrick McCabe (JIRA)" <ji...@apache.org> on 2016/04/06 21:39:25 UTC

[jira] [Updated] (HDFS-10267) Extra "synchronized" on FsDatasetImpl#recoverAppend and FsDatasetImpl#recoverClose

     [ https://issues.apache.org/jira/browse/HDFS-10267?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Colin Patrick McCabe updated HDFS-10267:
----------------------------------------
    Attachment: HDFS-10267.001.patch

Remove the extra synchronization, and add unit tests to ensure that it doesn't come back.  I verified that the unit tests fail with the extra synchronization.

> Extra "synchronized" on FsDatasetImpl#recoverAppend and FsDatasetImpl#recoverClose
> ----------------------------------------------------------------------------------
>
>                 Key: HDFS-10267
>                 URL: https://issues.apache.org/jira/browse/HDFS-10267
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode
>    Affects Versions: 2.8.0
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>         Attachments: HDFS-10267.001.patch
>
>
> There is an extra "synchronized" on FsDatasetImpl#recoverAppend and FsDatasetImpl#recoverClose that prevents the HDFS-8496 fix from working as intended.  This should be removed.



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