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From "Vinay (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5855) Reading edits should not stop at UpgradeMarker for normal restart of the namenode
Date Thu, 30 Jan 2014 16:08:11 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5855?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13886704#comment-13886704
] 

Vinay commented on HDFS-5855:
-----------------------------

Thanks Nicholas. That could actually solve the issue. My bad. I dint see all jiras. Will close
this as duplicate.

> Reading edits should not stop at UpgradeMarker for normal restart of the namenode
> ---------------------------------------------------------------------------------
>
>                 Key: HDFS-5855
>                 URL: https://issues.apache.org/jira/browse/HDFS-5855
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, ha, hdfs-client, namenode
>            Reporter: Vinay
>
> As mentioned [here|https://issues.apache.org/jira/browse/HDFS-5645?focusedCommentId=13867530&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13867530]
in HDFS-5645 NameNode restart will stop reading Edits at UpgradeMarker. But this should happen
only if namenode is rolling back from upgrade. 
> There is also a possibility that namenode could get restarted after rolling upgrade started.
This should not rollback everything.



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