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https://issues.apache.org/jira/browse/OAK-3153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14680195#comment-14680195
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Joel Richard edited comment on OAK-3153 at 8/10/15 2:37 PM:
------------------------------------------------------------

[~tmueller], I have attached a patch. Can you please review and apply it?

The patch disables the recording of the init stack trace until 2000 concurrent 
sessions are open. The threshold can be configured/disabled by setting the 
oak.sessionStats.initStackTraceThreshold system property.

*Edit:* I have just seen that you asked for a threshold of 1000 above. Can you 
please have a look at the code anyway and if there are some other things you 
would like me to change I will make all changes at once.


was (Author: joelrich):
[~tmueller], I have attached a patch. Can you please review and apply it?

The patch disables the recording of the init stack trace until 2000 concurrent 
sessions are open. The threshold can be configured/disabled by setting the 
oak.sessionStats.initStackTraceThreshold system property.

> Make it possible to disable recording of stack trace in SessionStats
> --------------------------------------------------------------------
>
>                 Key: OAK-3153
>                 URL: https://issues.apache.org/jira/browse/OAK-3153
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: core
>    Affects Versions: 1.3.3
>            Reporter: Joel Richard
>              Labels: performance
>         Attachments: 
> 0001-OAK-3153-Make-it-possible-to-disable-recording-of-st.patch
>
>
> For the rendering of some pages we have to create a lot of sessions. Around 
> 9% of the rendering time is spent inside of RepositoryImpl.login. Half of 
> this time is spent creating the exception in SessionStats. Therefore, it 
> would be useful if the recording of the exception could be disabled to 
> improve the performance.



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