Happened again today. Solr stopped running. Apache hasn't stopped in 10 days, so this is not due to a server reboot.
Solr is not being run with the oom-killer. And when I grep for ERROR in the logs, there is nothing from today. On Mon, May 18, 2020 at 3:15 PM James Greene <ja...@jamesaustingreene.com> wrote: > 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 > > >>>>> > > >>>> > > >>> > > >> > > > > >
