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https://issues.apache.org/jira/browse/ARTEMIS-822?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15606725#comment-15606725
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clebert suconic commented on ARTEMIS-822:
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This is about https://github.com/apache/activemq-artemis/pull/548
Luis Barreiro wrote some improvements, that need a JIRA to be committed.
Basically there is such batch on TimedBuffer, but Luis has done some extremely
high load tests (with many parallel threads) and came up with this improvement.
> Reduce thread synchronization on the Journal
> --------------------------------------------
>
> Key: ARTEMIS-822
> URL: https://issues.apache.org/jira/browse/ARTEMIS-822
> Project: ActiveMQ Artemis
> Issue Type: Improvement
> Affects Versions: 1.4.0
> Reporter: Luis Barreiro
> Labels: journal
> Fix For: 1.5.0
>
>
> Currently there is a lock in the journal so that only one thread can append
> at a time. Although the operation is fast, it can become a bottleneck on
> environments with hundreds of threads. There should be a way for threads not
> to be blocked on append operations.
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