[jboss-jira] [JBoss JIRA] (AS7-6583) Performance regression comparing to previous release

[jaikiran pai (JIRA)]

    [ https://issues.jboss.org/browse/AS7-6583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12755893#comment-12755893 ] 

jaikiran pai commented on AS7-6583:
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{quote}
JSF was the first thing, which came to my mind, but it didn't show any crucial impact. Then I start slow and annoying work with "git bisect" and that brings me to commits to logging subsystem.
{quote}
IMO instead of trying to check which revision changed what and then running the application against that version, it's better to profile the application and find out what's contributing to the performance degradation. That'll help in focusing on the right areas for a fix. You could even profile the version in which the performance seems better. Comparing the profiler output of those 2 versions should give an idea as to which area is contributing to this issue.

                
> Performance regression comparing to previous release
> ----------------------------------------------------
>
>                 Key: AS7-6583
>                 URL: https://issues.jboss.org/browse/AS7-6583
>             Project: Application Server 7
>          Issue Type: Bug
>          Components: CDI / Weld, Logging
>    Affects Versions: 7.2.0.Alpha1
>         Environment: 7.2.0.Final (prerelease-1 tag) 
>            Reporter: Tomas Remes
>            Assignee: James Perkins
>            Priority: Critical
>              Labels: performance
>
> There is significant performance regression in 7.2.0 prerelease. I discovered it in my Weld performance load tests (testing simple Weld numberguess example application), but I am quite sure that's not Weld issue at all. I did some investigations and it seems that problem occurred in org/jboss/as/logging module.

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