Re: Something is killing my CPU

Do you have anything that is making a whole bunch of REST calls?

On Tue, Oct 9, 2018 at 7:52 AM Gavin Hill <[email protected]> wrote:

> OK, this looks like one of the culprits, but I don’t know what it means.
>
>
>
>    1. At 2pm you can see CPU clearly jump:
>       1.
>    2. It looks to be this thread:
>       1.
>    3. If I expand the thread all the way down (and boy does it go a long
>    way) I finally get here:
>       1.
>
>
>
> Anyone know what this means?!
>
>
>
> Gavin
>
> --
> *Gavin Hill*  |  Director
> m: +27 83 601 8181 <+27%2083%20601%208181>
> t: +27 10 020 5959 <+27%2010%20020%205959>
>    <%28%21Email%21%29>
> <https://www.linkedin.com/company/highpeak-pty-ltd/>
> <https://www.highpeak.co.za/>
>
> *From:* Gavin Hill <[email protected]>
> *Sent:* Tuesday, 09 October 2018 13:32
> *To:* General OpenNMS Discussion <[email protected]>
> *Subject:* Re: [opennms-discuss] Something is killing my CPU
>
>
>
> Thanks Dino, I have VisualVM up and running and a JMX connection to the
> OpenNMS box active.
>
>
>
> Now what am I looking at/for?!  I have no real clue as to how to spot the
> culprit?
>
>
>
> Gavin
>
>
>
> --
>
> *Gavin Hill*  |  Director
> m: +27 83 601 8181 <+27%2083%20601%208181>
> t: +27 10 020 5959 <+27%2010%20020%205959>
>    <%28%21Email%21%29>
> <https://www.linkedin.com/company/highpeak-pty-ltd/>
> <https://www.highpeak.co.za/>
>
> *From:* Dino Yancey <[email protected]>
> *Sent:* Monday, 08 October 2018 20:28
> *To:* General OpenNMS Discussion <[email protected]>
> *Subject:* Re: [opennms-discuss] Something is killing my CPU
>
>
>
> I'd recommend watching the JVM with something like VisualVM (
> https://visualvm.github.io/ ) to see which subsystem or thread is
> spinning out.  Probably easier to follow than a stack trace.
>
>
>
> Dino
>
>
>
> On Mon, Oct 8, 2018 at 12:01 PM Gavin Hill <[email protected]> wrote:
>
> How do I identify which OpenNMS (22.0.4) process is consuming all of my
> CPU time?  I have a 4-core machine that runs fine after a restart but over
> time, CPU just grows until it maxes out.
>
>
>
>
>
>
>
> Any thoughts on how I identify what is doing this?  I look in htop and it
> shows it’s one of the OpenNMS Java threads, but I don’t know how to find
> out which.  Restarting OpenNMS every few days is not an option for me.
>
> --
>
> *Gavin Hill*  |  Director
> m: +27 83 601 8181 <+27%2083%20601%208181>
> t: +27 10 020 5959 <+27%2010%20020%205959>
>    <%28%21Email%21%29>
> <https://www.linkedin.com/company/highpeak-pty-ltd/>
> <https://www.highpeak.co.za/>
>
> _______________________________________________
> Please read the OpenNMS Mailing List FAQ:
> http://www.opennms.org/index.php/Mailing_List_FAQ
>
> opennms-discuss mailing list
>
> To *unsubscribe* or change your subscription options, see the bottom of
> this page:
> https://lists.sourceforge.net/lists/listinfo/opennms-discuss
>
> _______________________________________________
> Please read the OpenNMS Mailing List FAQ:
> http://www.opennms.org/index.php/Mailing_List_FAQ
>
> opennms-discuss mailing list
>
> To *unsubscribe* or change your subscription options, see the bottom of
> this page:
> https://lists.sourceforge.net/lists/listinfo/opennms-discuss

_______________________________________________
Please read the OpenNMS Mailing List FAQ:
http://www.opennms.org/index.php/Mailing_List_FAQ

opennms-discuss mailing list

To *unsubscribe* or change your subscription options, see the bottom of this page:
https://lists.sourceforge.net/lists/listinfo/opennms-discuss