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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4232) NN fails to write a fsimage with stale leases
Date Wed, 28 Nov 2012 20:47:59 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13505881#comment-13505881
] 

Daryn Sharp commented on HDFS-4232:
-----------------------------------

I have not verified if the issue is present in other versions, but it's very likely to affect
at least 1.x too.
                
> NN fails to write a fsimage with stale leases
> ---------------------------------------------
>
>                 Key: HDFS-4232
>                 URL: https://issues.apache.org/jira/browse/HDFS-4232
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>    Affects Versions: 0.23.0
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>            Priority: Blocker
>
> The reading of a fsimage will ignore leases for non-existent files, but the
> writing of an image will fail if there are leases for non-existent files.  If
> an image is written when the namesystem and lease manager are temporarily out
> of sync after a delete, then the NN will fail to start, and
> the 2NN will start but fail to ever write an image.

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