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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMQ-5578) preallocate journal files
Date Thu, 03 Mar 2016 22:05:19 GMT

    [ https://issues.apache.org/jira/browse/AMQ-5578?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15178695#comment-15178695
] 

ASF subversion and git services commented on AMQ-5578:
------------------------------------------------------

Commit be4ad3d1c82ddca932d0e25f91b2b37dcdba939c in activemq's branch refs/heads/master from
[~tabish121]
[ https://git-wip-us.apache.org/repos/asf?p=activemq.git;h=be4ad3d ]

https://issues.apache.org/jira/browse/AMQ-5578

Replace system.out with a trace log.  

> preallocate journal files
> -------------------------
>
>                 Key: AMQ-5578
>                 URL: https://issues.apache.org/jira/browse/AMQ-5578
>             Project: ActiveMQ
>          Issue Type: Improvement
>          Components: Message Store
>    Affects Versions: 5.11.0
>            Reporter: Gary Tully
>            Assignee: Gary Tully
>              Labels: journal, kahaDB, perfomance
>             Fix For: 5.14.0
>
>
> Our journals are append only, however we use the size to track journal rollover on recovery
and replay. We can improve performance if we never update the size on disk and preallocate
on creation.
> Rework journal logic to ensure size is never updated. This will allow the configuration
option from https://issues.apache.org/jira/browse/AMQ-4947 to be the default.



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