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https://issues.apache.org/jira/browse/AMQ-5578?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14328323#comment-14328323
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Christian Posta edited comment on AMQ-5578 at 2/19/15 11:37 PM:
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one more commit:
https://github.com/apache/activemq/commit/023b2ac04501a97452eb8a23b6024fd336cb6cf6
added unit tests, logging, and removed the preallocated batch stuff which snuck
in with the previous commit (rebased off wrong branch!).
should be good to go now.
was (Author: ceposta):
one more commit:
https://github.com/apache/activemq/commit/45e59e6e839ae89ffc099d32a4180ee307543aae
added unit tests, logging, and removed the preallocated batch stuff which snuck
in with the previous commit (rebased off wrong branch!).
should be good to go now.
> 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
>
> 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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