"If Solr auto-restarts" It doesn't auto-restart. Is there some auto-restart functionality? I'm not aware of that.
On Mon, Jun 8, 2020 at 7:10 AM Radu Gheorghe <radu.gheor...@sematext.com> wrote: > Hi Ryan, > > If Solr auto-restarts, I suppose it's systemd doing that. When it restarts > the Solr service, systemd should log this (maybe somethibg like: journalctl > --no-pager | grep -i solr). > > Then you can go in your Solr logs and check what happened right before that > time. Also, check system logs for what happened before Solr was restarted. > > Best regards, > Radu > > https://sematext.com/ > > joi, 4 iun. 2020, 19:24 Ryan W <rya...@gmail.com> a scris: > > > 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 > > > > >>>>> > > > > >>>> > > > > >>> > > > > >> > > > > > > > > > > > > > >
