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From "Tsz Wo Nicholas Sze (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-7042) Upgrade fails for Windows HA cluster due to file locks held during rename in JournalNode.
Date Wed, 10 Sep 2014 23:26:33 GMT

     [ https://issues.apache.org/jira/browse/HDFS-7042?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo Nicholas Sze updated HDFS-7042:
--------------------------------------
    Hadoop Flags: Reviewed

+1 patch looks good.

> Upgrade fails for Windows HA cluster due to file locks held during rename in JournalNode.
> -----------------------------------------------------------------------------------------
>
>                 Key: HDFS-7042
>                 URL: https://issues.apache.org/jira/browse/HDFS-7042
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: journal-node
>    Affects Versions: 2.4.1
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>            Priority: Blocker
>         Attachments: HDFS-7042.1.patch
>
>
> During upgrade of an HA cluster, the JournalNode attempts to rename the current storage
directory to previous.  However, the process still holds the last committed transaction ID
file opened while this is happening.  On Windows, this is a locking violation that causes
the rename operation to fail.  Ultimately the whole upgrade fails.  There is a similar problem
during rollback too.



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