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https://issues.apache.org/jira/browse/AMQ-6771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16091433#comment-16091433
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ASF subversion and git services commented on AMQ-6771:
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Commit 3cd5529f505907912476a054758612a2eb22a1e0 in activemq's branch
refs/heads/master from [~gtully]
[ https://git-wip-us.apache.org/repos/asf?p=activemq.git;h=3cd5529 ]
[AMQ-6771] fix off by one on input stream read long check, with test
> Improve performance of KahaDB recovery check checkForCorruptJournalFiles=true
> -----------------------------------------------------------------------------
>
> Key: AMQ-6771
> URL: https://issues.apache.org/jira/browse/AMQ-6771
> Project: ActiveMQ
> Issue Type: Improvement
> Components: KahaDB
> Affects Versions: 5.15.0
> Reporter: Gary Tully
> Assignee: Gary Tully
> Fix For: 5.16.0
>
>
> The KahaDB checkForCorruptJournalFiles option validates the checksum of every
> journal batch record on startup. If a single producer writes many small
> messages, the batch sizes in the journal will be small. The current check
> implementation reads each batch at a time with a fseek/read sequence that can
> be very slow over shared disks.
> The check can be a quick buffered sequential read using the maxBatchSize
> which should already be tuned to match the disk transfer rate.
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