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From Greg Huber <gregh3...@gmail.com>
Subject Re: High cpu on Tomcat 8
Date Mon, 04 May 2015 11:13:57 GMT
Thanks, I am going to up the memory.  The profiler I used only highlighted
the ajp-apr-8009-Poller as active.  Terminating the thread stopped the high
cpu.

Cheers Greg

On 4 May 2015 at 10:18, Mark Thomas <markt@apache.org> wrote:

> On 03/05/2015 11:25, Greg Huber wrote:
> > Hello,
> >
> > After an upgrade to Tomcat 8.0.21 and (Oracle jdk1.8.0_40) I seem to be
> > having an erratic high cpu issue, often  when the server gets busy.  The
> > application was OK tomcat 7 and has not been modified since the upgrade.
>
> Use ps to get the thread ID of the thread that is using the CPU.
> Take a thread dump and find what that thread is doing (you'll need to
> convert the thread ID  from decimal to hex). It is the stack trace of
> that thread that will be interesting.
>
> Mark
>
>
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