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performance problem [message #636887] Wed, 03 November 2010 08:59 Go to next message
Morits  is currently offline Morits Friend
Messages: 1
Registered: November 2010
Junior Member
I'm having a bit of a performance issue when working with mylyn.

Eclipse is constantly eating up about 100% of one core on my system. And if I activate "Focus on Active Task" eclipse freezes for about 5 - 10 seconds whenever mylyn updates the context.

I'm currently using Zend Studio 7.2, but I had the same issue when testing the new 8 beta.

Does anyone know of a way to improve the performance? I've tried closing all projects I'm not currently working on, but this did not seem to help much.

thanks.
Re: performance problem [message #636923 is a reply to message #636887] Wed, 03 November 2010 11:39 Go to previous message
Jörg Thönnes is currently offline Jörg ThönnesFriend
Messages: 229
Registered: July 2009
Senior Member
Hi Morits,

please use this link

http://wiki.eclipse.org/How_to_report_a_deadlock

to provide more information while your system uses 100% CPU. The jstackSeries script is well suited,
especially if you can run it with a delay of 0.5 or 0.1 seconds.

By comparing the consecutive snapshots, you can see which threads are idle (no or less changes) and
which ones are busy (many changes or sticking in the same stack frame).

Finally, submit your findings as a bug agains Mylyn if applicable.

Cheers, Jörg

On 11/03/2010 09:59 AM, Morits wrote:
> I'm having a bit of a performance issue when working with mylyn.
>
> Eclipse is constantly eating up about 100% of one core on my system. And
> if I activate "Focus on Active Task" eclipse freezes for about 5 - 10
> seconds whenever mylyn updates the context.
>
> I'm currently using Zend Studio 7.2, but I had the same issue when
> testing the new 8 beta.
>
> Does anyone know of a way to improve the performance? I've tried closing
> all projects I'm not currently working on, but this did not seem to help
> much.
>
> thanks.
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