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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-5645) Support upgrade marker in editlog streams
Date Fri, 10 Jan 2014 06:08:53 GMT

     [ https://issues.apache.org/jira/browse/HDFS-5645?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo (Nicholas), SZE updated HDFS-5645:
-----------------------------------------

       Resolution: Fixed
    Fix Version/s: HDFS-5535 (Rolling upgrades)
           Status: Resolved  (was: Patch Available)

I have committed this.

> Support upgrade marker in editlog streams
> -----------------------------------------
>
>                 Key: HDFS-5645
>                 URL: https://issues.apache.org/jira/browse/HDFS-5645
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: namenode
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>             Fix For: HDFS-5535 (Rolling upgrades)
>
>         Attachments: editsStored, h5645_20130103.patch, h5645_20130109.patch
>
>
> During upgrade, a marker can be inserted into the editlog streams so that it is possible
to roll back to the marker transaction.



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