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From "Kihwal Lee (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-9696) Garbage snapshot records lingering forever
Date Mon, 15 Aug 2016 18:22:21 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9696?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kihwal Lee updated HDFS-9696:
-----------------------------
       Resolution: Fixed
    Fix Version/s: 3.0.0-alpha2
                   2.7.4
           Status: Resolved  (was: Patch Available)

Committed all the way to branch-2.7. The same fix applies to branch-2.6, but the unit test
needs to be rewritten. [~ctrezzo], do you want this for 2.6?

> Garbage snapshot records lingering forever
> ------------------------------------------
>
>                 Key: HDFS-9696
>                 URL: https://issues.apache.org/jira/browse/HDFS-9696
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.7.2
>            Reporter: Kihwal Lee
>            Assignee: Kihwal Lee
>            Priority: Critical
>             Fix For: 2.7.4, 3.0.0-alpha2
>
>         Attachments: HDFS-9696.patch, HDFS-9696.v2.patch
>
>
> We have a cluster where the snapshot feature might have been tested years ago. When the
HDFS does not have any snapshot, but I see filediff records persisted in its fsimage.  Since
it has been restarted many times and checkpointed over 100 times since then, it must haven
been persisted and  carried over since then.



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