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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HDFS-1024) SecondaryNamenode fails to checkpoint because namenode fails with CancelledKeyException
Date Tue, 30 Mar 2010 17:40:27 GMT

     [ https://issues.apache.org/jira/browse/HDFS-1024?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HDFS-1024:
------------------------

         Priority: Blocker  (was: Major)
    Fix Version/s: 0.20.3

Marking this as a blocker since we would have lost half our hdfs only for our having a backup.
 Also making this as fix for 0.20.3 hadoop.

> SecondaryNamenode fails to checkpoint because namenode fails with CancelledKeyException
> ---------------------------------------------------------------------------------------
>
>                 Key: HDFS-1024
>                 URL: https://issues.apache.org/jira/browse/HDFS-1024
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 0.22.0
>            Reporter: dhruba borthakur
>            Assignee: Dmytro Molkov
>            Priority: Blocker
>             Fix For: 0.20.3, 0.22.0
>
>         Attachments: HDFS-1024.patch, HDFS-1024.patch.1
>
>
> The secondary namenode fails to retrieve the entire fsimage from the Namenode. It fetches
a part of the fsimage but believes that it has fetched the entire fsimage file and proceeds
ahead with the checkpointing. Stack traces will be attached below.

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