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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6848) Lack of synchronization on access to datanodeUuid in DataStorage#format()
Date Thu, 04 Sep 2014 23:22:23 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6848?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14122163#comment-14122163
] 

Arpit Agarwal commented on HDFS-6848:
-------------------------------------

[~jingzhao] pointed out I forgot to push this change to branch-2. Just did so.

> Lack of synchronization on access to datanodeUuid in DataStorage#format() 
> --------------------------------------------------------------------------
>
>                 Key: HDFS-6848
>                 URL: https://issues.apache.org/jira/browse/HDFS-6848
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Xiaoyu Yao
>            Priority: Minor
>             Fix For: 2.6.0
>
>         Attachments: HDFS-6848.0.patch
>
>
> {code}
>     this.datanodeUuid = datanodeUuid;
> {code}
> The above assignment should be done holding lock "DataStorage.this" - as is done in two
other places.



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