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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-1914) MetadataTableUtil.removeUnusedEntries() should use one mutation
Date Thu, 21 Nov 2013 17:56:37 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-1914?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13829137#comment-13829137
] 

ASF subversion and git services commented on ACCUMULO-1914:
-----------------------------------------------------------

Commit 041270b778db9345c5276ef91fb4f95f3e9e0bbe in branch refs/heads/1.6.0-SNAPSHOT from [~ecn]
[ https://git-wip-us.apache.org/repos/asf?p=accumulo.git;h=041270b ]

ACCUMULO-1914 make WALog cleanup after recovery an atomic mutation


> MetadataTableUtil.removeUnusedEntries() should use one mutation
> ---------------------------------------------------------------
>
>                 Key: ACCUMULO-1914
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-1914
>             Project: Accumulo
>          Issue Type: Bug
>    Affects Versions: 1.4.0
>            Reporter: Keith Turner
>            Assignee: Eric Newton
>             Fix For: 1.4.5, 1.5.1, 1.6.0
>
>
> MetadataTableUtil.removeUnusedEntries() uses multiple mutations to delete a set of walogs.
 It should use one mutation.  In 1.6.0-SNAPSHOT the code is only called when recovery happens
and nothing is recovered.   Its possible that this code could remove a subset of the logs
in the case of a fault and cause old data to be recovered.



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