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https://issues.apache.org/jira/browse/PIVOT-860?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13400513#comment-13400513
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Sandro Martini commented on PIVOT-860:
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This is really strange, but I'm sorry to say that you have reason, it's true
(even when Expanders are simply displayed and the user is doing nothing in the
application) ... we have to look at it better, if possible with a Profiler in
the Standalone (Java Standard Application) use case, to avoid browser-related
side effects.
Note that probably this is not related to 2.0.2 changes but could happen even
with previous versions.
Let's update.
Thanks for now,
Sandro
> CPU Usage at 100% when displaying an Expander
> ---------------------------------------------
>
> Key: PIVOT-860
> URL: https://issues.apache.org/jira/browse/PIVOT-860
> Project: Pivot
> Issue Type: Bug
> Affects Versions: 2.0.2
> Environment: Windows XP, reproduced on Java 6 (various versions) and
> Java 7
> Reporter: Guillaume Deshors
> Assignee: Sandro Martini
> Priority: Minor
> Labels: performance
> Fix For: 2.0.3
>
>
> When displaying an Expander component, the CPU usage immediately goes up and
> stays at 100% as long as the component is displayed (even if the window is
> background, reduced or whatever).
> To be precise, I really had 50% because I have a dual core : one of the core
> was 100%.
> Reproduced on 3 different computers, all Windows XP, with Java 6 and 7.
> Reproduced in applet and in standalone application shape.
> Steps to reproduce :
> 1/ go to http://pivot.apache.org/tutorials/sample-application.html
> -> CPU is normal, say 5%
> 2/ click on "navigation" to see the expander
> -> CPU is at 100%, at least one of the cores.
> Alternative : just go to http://pivot.apache.org/tutorials/expanders.html and
> expect the same.
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