[logback-dev] [JIRA] Commented: (LBCLASSIC-234) CLONE -Excessive synchronization in ReconfigureOnChangeFilter.decide

[Ceki Gulcu (JIRA)]

    [ http://jira.qos.ch/browse/LBCLASSIC-234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=11906#action_11906 ] 

Ceki Gulcu commented on LBCLASSIC-234:
--------------------------------------

I actually spent a few hours yesterday investigating this problem. I would be happy to make the necessary changes once the point of contention is clearly identified. Changing line 107 as suggested above would be very helpful in that regard.

> CLONE -Excessive synchronization in ReconfigureOnChangeFilter.decide
> --------------------------------------------------------------------
>
>                 Key: LBCLASSIC-234
>                 URL: http://jira.qos.ch/browse/LBCLASSIC-234
>             Project: logback-classic
>          Issue Type: Bug
>    Affects Versions: 0.917
>            Reporter: uri unger
>            Assignee: Ceki Gulcu
>            Priority: Critical
>         Attachments: screenshot-1.jpg
>
>
> The synchronization in ReconfigureOnChangeFilter.decide hurts scalability.
> It seems unnecessary to serialize the code in changeDetected -- it should be possible to use atomic updates of nextCheck and lastModified and only serialize the actual reconfiguration.

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