[jboss-jira] [JBoss JIRA] (AS7-3371) Low Performance of 7.1.0.CR1b - comparing with previous release

[Remy Maucherat (JIRA)]

    [ https://issues.jboss.org/browse/AS7-3371?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12662216#comment-12662216 ] 

Remy Maucherat commented on AS7-3371:
-------------------------------------

Woops. Hum, maybe I can disable that identifier verification by default then ? ;)

If using the java.io connector, it has a decent amount of threads by default (should be 2048), but maybe that webapp would run better if it was at least equal to the session count. If using native, then 128 is a bit too low for a hammer test if the application is doing little (try up to 512), the number should essentially be the concurrency level the application code can reasonably handle.

Then the rest of the drop from 4100 to 3300 could then be about the more accurate method matching. Unfortunate, but probably necessary. I didn't see much in the code that seemed wasteful.
                
> Low Performance of 7.1.0.CR1b - comparing with previous release
> ---------------------------------------------------------------
>
>                 Key: AS7-3371
>                 URL: https://issues.jboss.org/browse/AS7-3371
>             Project: Application Server 7
>          Issue Type: Enhancement
>    Affects Versions: 7.1.0.CR1b
>            Reporter: Tomas Remes
>            Assignee: Remy Maucherat
>            Priority: Critical
>              Labels: eap6_prd_req
>             Fix For: 7.1.0.Final
>
>         Attachments: log-7.1.0.Beta1.txt, log-7.1.0.CR1b.txt
>
>
> There is low (especially stress test) performance of AS 7.1.0.CR1b. Comparing to 7.1.0.Beta1 there is at least three times worse performance. You can see marked builds at https://hudson.qa.jboss.com/hudson/view/Weld/view/Weld-Performance-All/job/perf-weld-numberguess-stress-single-jboss7/. In artifacts there is the log.txt file, where you can check stress tests results. I have run it quite many times with same or mostly similar results.

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