I usually do a combination of grepping for ERROR in solr logs and checking
journalctl to see if an external program may have killed the process.


Cheers,

/************************************
*       James Austin Greene
*  www.jamesaustingreene.com
*              336-lol-nerd
************************************/


On Mon, May 18, 2020 at 1:39 PM Erick Erickson <erickerick...@gmail.com>
wrote:

> ps aux | grep solr
>
> on a *.nix system will show you all the runtime parameters.
>
> > On May 18, 2020, at 12:46 PM, Ryan W <rya...@gmail.com> wrote:
> >
> > Is there a config file containing the start params?  I run solr like...
> >
> > bin/solr start
> >
> > I have not seen anything in the logs that seems informative. When I grep
> in
> > the logs directory for 'memory', I see nothing besides a couple entries
> > like...
> >
> > 2020-05-14 13:05:56.155 INFO  (main) [   ]
> o.a.s.h.a.MetricsHistoryHandler
> > No .system collection, keeping metrics history in memory.
> >
> > I don't know what that entry means, though the date does roughly coincide
> > with the last time solr stopped running.
> >
> > Thank you.
> >
> >
> > On Mon, May 18, 2020 at 12:00 PM Erick Erickson <erickerick...@gmail.com
> >
> > wrote:
> >
> >> Probably, but check that you are running with the oom-killer, it'll be
> in
> >> your start params.
> >>
> >> But absent that, something external will be the culprit, Solr doesn't
> stop
> >> by itself. Do look at the Solr log once things stop, it should show if
> >> someone or something stopped it.
> >>
> >> On Mon, May 18, 2020, 10:43 Ryan W <rya...@gmail.com> wrote:
> >>
> >>> I don't see any log file with "oom" in the file name.  Does that mean
> >> there
> >>> hasn't been an out-of-memory issue?  Thanks.
> >>>
> >>> On Thu, May 14, 2020 at 10:05 AM James Greene <
> >> ja...@jamesaustingreene.com
> >>>>
> >>> wrote:
> >>>
> >>>> Check the log for for an OOM crash.  Fatal exceptions will be in the
> >> main
> >>>> solr log and out of memory errors will be in their own -oom log.
> >>>>
> >>>> I've encountered quite a few solr crashes and usually it's when
> >> there's a
> >>>> threshold of concurrent users and/or indexing happening.
> >>>>
> >>>>
> >>>>
> >>>> On Thu, May 14, 2020, 9:23 AM Ryan W <rya...@gmail.com> wrote:
> >>>>
> >>>>> Hi all,
> >>>>>
> >>>>> I manage a site where solr has stopped running a couple times in the
> >>> past
> >>>>> week. The server hasn't been rebooted, so that's not the reason.
> >> What
> >>>> else
> >>>>> causes solr to stop running?  How can I investigate why this is
> >>>> happening?
> >>>>>
> >>>>> Thank you,
> >>>>> Ryan
> >>>>>
> >>>>
> >>>
> >>
>
>

Reply via email to