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From "Vinayakumar B (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6637) Rolling upgrade won't finish if SBN is configured without StandbyCheckpointer
Date Mon, 21 Jul 2014 10:17:38 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6637?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vinayakumar B updated HDFS-6637:
--------------------------------

    Resolution: Invalid
        Status: Resolved  (was: Patch Available)

Thanks [~dian.fu], Making this as invalid due to invalid (Un-real) configuration.

Feel free to re-open if you feel this has to be fixed.

> Rolling upgrade won't finish if SBN is configured without StandbyCheckpointer
> -----------------------------------------------------------------------------
>
>                 Key: HDFS-6637
>                 URL: https://issues.apache.org/jira/browse/HDFS-6637
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 3.0.0
>            Reporter: Dian Fu
>         Attachments: HDFS-6637.patch, HDFS-6637.patch.1
>
>
> In HA setup cluster, for rolling upgrade, the image file "fsimage_rollback" is generated
by StandbyCheckpointer thread of SBN. While if configuration "dfs.ha.standby.checkpoints"
is set false, there will be no StandbyCheckpointer thread in SBN. This will lead to the rolling
upgrade never finish. 



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