[server-admins] MonIt

[DM Smith]

I don’t know how to triage or fix the underlying problem. I’ve restarted it.

Looking at /var/log/messages, it is a machine OOM. Same as what Troy saw before. I’m guessing that the “OOM Reaper” is picking the biggest memory hogs and killing them. Those are all java processes.

There are many, many (~200) sword observer processes each taking a paltry 90,000 KB. Perhaps these are the culprits? Is there a bound on the pool of sword observers?

I also noted that:
When the large java process is killed (which belongs to Jira) that many mariadb connections by jira are terminated.
Jira needs to be updated from its current outdated version. Perhaps the newer version has a better memory footprint?

— DM

> On Sep 10, 2025, at 8:11 AM, Karl Kleinpaste <karl at kleinpaste.org> wrote:
> 
> On 9/9/25 3:57 PM, DM Smith wrote:
>> I restarted it.
> 
> And it's dead again.
> 
> Something is evidently more seriously wrong than a mere need to restart.
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