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From "sam rash (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-1149) Lease reassignment is not persisted to edit log
Date Mon, 24 May 2010 21:28:24 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1149?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12870850#action_12870850
] 

sam rash commented on HDFS-1149:
--------------------------------

Hey Todd,

Can you please specify the sequence of events that occur and the ending error state?

> Lease reassignment is not persisted to edit log
> -----------------------------------------------
>
>                 Key: HDFS-1149
>                 URL: https://issues.apache.org/jira/browse/HDFS-1149
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>    Affects Versions: 0.21.0
>            Reporter: Todd Lipcon
>
> During lease recovery, the lease gets reassigned to a special NN holder. This is not
currently persisted to the edit log, which means that after an NN restart, the original leaseholder
could end up allocating more blocks or completing a file that has already started recovery.

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