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From Chris Graham <chrisgw...@gmail.com>
Subject Re: CPU Thrashing
Date Mon, 14 Oct 2013 12:52:49 GMT
Oops.

http://pastebin.com/YNny4XTf

:)

-Chris



On Mon, Oct 14, 2013 at 10:52 PM, Olivier Lamy <olamy@apache.org> wrote:

> On 14 October 2013 11:13, Chris Graham <chrisgwarp@gmail.com> wrote:
> > Hi Olivier.
> >
> > I'll try to have a look at that one soon.
> >
> > Oddly enough, here is a log4j.xml that is 'broken', in that it is valid
> XML
> > (from what I can see) however, there is ZERO output, and the CPU usage is
> > <1%, which is what it shouldbe.
> >
> Mailing list doesn't support attachment.
> try gist.github.com or http://pastebin.com/.
>
> > Is this an issue with the way that log4j parses (and fails for some
> > reason???) the config file?
> >
> > -Chris
> >
> >
> >
> > On Mon, Oct 14, 2013 at 7:58 AM, Olivier Lamy <olamy@apache.org> wrote:
> >>
> >> 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.
> >> >
> >
> >
>
>
>
> --
> Olivier Lamy
> Ecetera: http://ecetera.com.au
> http://twitter.com/olamy | http://linkedin.com/in/olamy
>

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