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Posted to issues@activemq.apache.org by "ASF subversion and git services (Jira)" <ji...@apache.org> on 2021/04/28 15:49:00 UTC
[jira] [Commented] (ARTEMIS-3271) Avoid Multi Thread measurement on
Critical Analyzer
[ https://issues.apache.org/jira/browse/ARTEMIS-3271?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17334821#comment-17334821 ]
ASF subversion and git services commented on ARTEMIS-3271:
----------------------------------------------------------
Commit 39f468450b0fba84cdcda4556afd047fa4156cc1 in activemq-artemis's branch refs/heads/main from Clebert Suconic
[ https://gitbox.apache.org/repos/asf?p=activemq-artemis.git;h=39f4684 ]
ARTEMIS-3271 Improve Critical Analyzer to sample single therads
worked in collaboration with Gary Tully on this fix
> Avoid Multi Thread measurement on Critical Analyzer
> ---------------------------------------------------
>
> Key: ARTEMIS-3271
> URL: https://issues.apache.org/jira/browse/ARTEMIS-3271
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Affects Versions: 2.17.0
> Reporter: Clebert Suconic
> Priority: Major
> Fix For: 2.18.0
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> The Critical Analyzer could be called from multiple Threads.
>
> As a result, I am afraid there could be a situation that left time was updated at a wrong pace.. leaving to inconsistencies.
>
>
> I'm improving it to only consider a single thread from all the calls. Any calls from multi-threading should be ignored... All we need is to capture one thread hanging and detect a dead lock.
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