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From "Gary Tully (JIRA)" <>
Subject [jira] [Resolved] (AMQ-4662) KahaDB default checksumJournalFiles to true
Date Thu, 01 Aug 2013 11:47:48 GMT


Gary Tully resolved AMQ-4662.

    Resolution: Fixed

new default value via
> KahaDB default checksumJournalFiles to true
> -------------------------------------------
>                 Key: AMQ-4662
>                 URL:
>             Project: ActiveMQ
>          Issue Type: Improvement
>          Components: Message Store
>    Affects Versions: 5.8.0
>            Reporter: Gary Tully
>            Assignee: Gary Tully
>              Labels: corruption, kahadb, messagestore, performance, recovery
>             Fix For: 5.9.0
> A checksum allows us to validate and ignore missing/corrupt journal files (both of which
are optional). It is too late to enable checksumJournalFiles after the fact of corruption.
Best to have it on by default and take the small performance penalty so that in the rare event
of corruption we have some options. Folks who don't care about the integrity of the journal
can disable it.

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