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From Olivier Lamy <ol...@apache.org>
Subject Re: CPU Thrashing
Date Sun, 13 Oct 2013 20:58:31 GMT
Hi
I believe trunk with the last log4j2 beta version should fix that.

Cheers,
--
Olivier
On Oct 11, 2013 9:33 PM, "Chris Graham" <chrisgwarp@gmail.com> wrote:

> Hi All.
>
> I've been having no end of fun with the M4 release of Archiva under WAS 8.5
> on AIX (64 bit).
>
> With archiva doing nothing (ie not processing new releases or serving any
> requests from any remote maven's), it is consuming anywhere from 40-95%
> CPU.
>
> I managed to get the log4j2.xml file in a state that caused zero logging
> output, but it also had the added benefit of CPU was around 1%, which is
> what was expected.
>
> So I've managed to get the root logger into debug mode (no other changes to
> log4j2.xml), and it's sitting on around 40-50% CPU, and all I'm seeing in
> the log is:
>
> 2013-10-11 20:40:21,484 [Thread-79] DEBUG
> org.apache.archiva.redback.components.taskqueue.DefaultTaskQueue [] - pool
> 2013-10-11 20:40:21,497 [Thread-80] DEBUG
> org.apache.archiva.redback.components.taskqueue.DefaultTaskQueue [] - pool
> 2013-10-11 20:40:21,585 [Thread-79] DEBUG
> org.apache.archiva.redback.components.taskqueue.DefaultTaskQueue [] - pool
> 2013-10-11 20:40:21,599 [Thread-80] DEBUG
> org.apache.archiva.redback.components.taskqueue.DefaultTaskQueue [] - pool
> 2013-10-11 20:40:21,686 [Thread-79] DEBUG
> org.apache.archiva.redback.components.taskqueue.DefaultTaskQueue [] - pool
> 2013-10-11 20:40:21,699 [Thread-80] DEBUG
> org.apache.archiva.redback.components.taskqueue.DefaultTaskQueue [] - pool
> 2013-10-11 20:40:21,786 [Thread-79] DEBUG
> org.apache.archiva.redback.components.taskqueue.DefaultTaskQueue [] - pool
> 2013-10-11 20:40:21,800 [Thread-80] DEBUG
> org.apache.archiva.redback.components.taskqueue.DefaultTaskQueue [] - pool
> 2013-10-11 20:40:21,887 [Thread-79] DEBUG
> org.apache.archiva.redback.components.taskqueue.DefaultTaskQueue [] - pool
> 2013-10-11 20:40:21,901 [Thread-80] DEBUG
> org.apache.archiva.redback.components.taskqueue.DefaultTaskQueue [] - pool
> 2013-10-11 20:40:21,979 [scheduler1_QuartzSchedulerThread] DEBUG
> org.quartz.core.QuartzSchedulerThread [] - batch acquisition of 0 triggers
> 2013-10-11 20:40:21,988 [Thread-79] DEBUG
> org.apache.archiva.redback.components.taskqueue.DefaultTaskQueue [] - pool
> 2013-10-11 20:40:22,001 [Thread-80] DEBUG
> org.apache.archiva.redback.components.taskqueue.DefaultTaskQueue [] - pool
> 2013-10-11 20:40:22,088 [Thread-79] DEBUG
> org.apache.archiva.redback.components.taskqueue.DefaultTaskQueue [] - pool
> 2013-10-11 20:40:22,101 [Thread-80] DEBUG
> org.apache.archiva.redback.components.taskqueue.DefaultTaskQueue [] - pool
> 2013-10-11 20:40:22,189 [Thread-79] DEBUG
> org.apache.archiva.redback.components.taskqueue.DefaultTaskQueue [] - pool
> 2013-10-11 20:40:22,202 [Thread-80] DEBUG
> org.apache.archiva.redback.components.taskqueue.DefaultTaskQueue [] - pool
> 2013-10-11 20:40:22,289 [Thread-79] DEBUG
> org.apache.archiva.redback.components.taskqueue.DefaultTaskQueue [] - pool
> 2013-10-11 20:40:22,302 [Thread-80] DEBUG
> org.apache.archiva.redback.components.taskqueue.DefaultTaskQueue [] - pool
> 2013-10-11 20:40:22,390 [Thread-79] DEBUG
> org.apache.archiva.redback.components.taskqueue.DefaultTaskQueue [] - pool
>
> Is this expected?
>
> Any and all comments/help welcome.
>

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