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https://issues.apache.org/jira/browse/ARTEMIS-4065?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Clebert Suconic updated ARTEMIS-4065:
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Summary: Option to use non persistent counters in paging. Rebuild them upon
start if persistence is disabled on them (was: Replace PageCounter Journal
Records by a real counter from paging)
> Option to use non persistent counters in paging. Rebuild them upon start if
> persistence is disabled on them
> -----------------------------------------------------------------------------------------------------------
>
> Key: ARTEMIS-4065
> URL: https://issues.apache.org/jira/browse/ARTEMIS-4065
> Project: ActiveMQ Artemis
> Issue Type: Improvement
> Reporter: Clebert Suconic
> Priority: Major
> Time Spent: 40m
> Remaining Estimate: 0h
>
> Instead of storing records on journal for counting how many records there are
> in paging, the system should instead just swipe the paging system in parallel
> with processing data.
> The changes I'm making will take a snapshot of the current records of paging,
> and then it will read all the pages to rebuild the counters.
> On tests I am making from a real data server, a system that had a lot of
> pages (700) needed less than 1 minute to rebuild the counters, and the
> messages were available to be delivered while the swipe was being done.
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