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https://issues.apache.org/jira/browse/IGNITE-9492?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16628635#comment-16628635
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Ignite TC Bot commented on IGNITE-9492:
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[TeamCity Run
All|http://ci.ignite.apache.org/viewLog.html?buildId=1931876&buildTypeId=IgniteTests24Java8_RunAll]
> Refactor processing SingleMessage with exchangeId==null
> -------------------------------------------------------
>
> Key: IGNITE-9492
> URL: https://issues.apache.org/jira/browse/IGNITE-9492
> Project: Ignite
> Issue Type: Improvement
> Components: cache
> Affects Versions: 2.5
> Reporter: Pavel Kovalenko
> Assignee: Pavel Kovalenko
> Priority: Major
> Fix For: 2.7
>
>
> Currently, after each PME coordinator spend a lot of time on processing
> correcting Single messages (with exchange id == null). This leads to growing
> inbound/outbound messages queue and delaying other coordinator-aware
> processes.
> Processing single messages with exchange id == null are not so important to
> give all available resources to it. We should limit the number of sys-threads
> which are able to process such single messages.
> We shouldn't create a big SingleMessages for each of partition state change
> and use more shrinked/tiny messages for that.
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