[jira] [Commented] (AMQ-6207) KahaDB: corruption of the index possible on sudden stop of the broker

["ASF subversion and git services (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AMQ-6207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15191037#comment-15191037 ] 

ASF subversion and git services commented on AMQ-6207:
------------------------------------------------------

Commit b39ab7867c208a967090eff189594c2b06dafb34 in activemq's branch refs/heads/master from [~tabish121]
[ https://git-wip-us.apache.org/repos/asf?p=activemq.git;h=b39ab78 ]

https://issues.apache.org/jira/browse/AMQ-6207

Perform writes / sync in predicatable order first to the recovery file
and then into the main index file.

> KahaDB: corruption of the index possible on sudden stop of the broker
> ---------------------------------------------------------------------
>
>                 Key: AMQ-6207
>                 URL: https://issues.apache.org/jira/browse/AMQ-6207
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: KahaDB
>    Affects Versions: 5.11.4, 5.12.3, 5.13.2
>            Reporter: Timothy Bish
>            Assignee: Timothy Bish
>             Fix For: 5.14.0, 5.13.3
>
>         Attachments: kahadb-corruption.tar.bz2
>
>
> On a sudden stop of the broker it's possible for the KahaDB index to become corrupt and the broker will refuse to start.  The issue is in the PageFile code that is mixing writes to both the recovery file and the index file.  The writes need to happen in a deterministic way such that the recovery file isn't missing data that might make it into the the main index file.  



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