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From "Chang Li (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9289) check genStamp when complete file
Date Mon, 26 Oct 2015 16:25:28 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9289?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14974497#comment-14974497
] 

Chang Li commented on HDFS-9289:
--------------------------------

[~zhz], before we figure out the root cause of this strange case, should let this jira to
be a temporary fix?

> check genStamp when complete file
> ---------------------------------
>
>                 Key: HDFS-9289
>                 URL: https://issues.apache.org/jira/browse/HDFS-9289
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Chang Li
>            Assignee: Chang Li
>            Priority: Critical
>         Attachments: HDFS-9289.1.patch, HDFS-9289.2.patch
>
>
> we have seen a case of corrupt block which is caused by file complete after a pipelineUpdate,
but the file complete with the old block genStamp. This caused the replicas of two datanodes
in updated pipeline to be viewed as corrupte. Propose to check genstamp when commit block



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