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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ARTEMIS-822) Reduce thread synchronization on the Journal
Date Mon, 31 Oct 2016 20:01:59 GMT

    [ https://issues.apache.org/jira/browse/ARTEMIS-822?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15623187#comment-15623187
] 

ASF subversion and git services commented on ARTEMIS-822:
---------------------------------------------------------

Commit 6afde8f45aaa4f6a477066f3bc85fa8f89718a1d in activemq-artemis's branch refs/heads/master
from Clebert Suconic
[ https://git-wip-us.apache.org/repos/asf?p=activemq-artemis.git;h=6afde8f ]

ARTEMIS-822 Review journal threading model

https://issues.apache.org/jira/browse/ARTEMIS-822


> 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
>            Assignee: clebert suconic
>            Priority: Blocker
>              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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