Re: Something is killing my CPU

Dino Yancey <[email protected]> Mon, 8 Oct 2018 13:27:37 -0500
Newsgroups gmane.network.opennms.general
Message-ID <CA+GnOzTEdrJpb6iRNfmW2s0r9f0KbBq4j6Xxepex+O1KRsexNw@mail.gmail.com>
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.
>
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> 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
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