Yes, daemontools or any kind of home-grown process-watching-and-restarting tool will work. Regarding those caches - they look too large. Also, the ramBufferSizeMB is irrelevant on search slaves.
Otis -- Sematext is hiring -- http://sematext.com/about/jobs.html?mls Lucene, Solr, Nutch, Katta, Hadoop, HBase, UIMA, NLP, NER, IR ----- Original Message ---- > From: Robert Petersen <rober...@buy.com> > To: solr-user@lucene.apache.org > Sent: Monday, August 3, 2009 1:46:21 PM > Subject: RE: 99.9% uptime requirement > > So then would the 'right' thing to do be to run it under something like > Daemontools so it bounces back up on a crash? Do any other people use > this approach or is there something better to make it come back up? > > Speaking of overly large caches, if I have solr running on a machine > with 8GB main memory is it going to hurt to make some huge cache sizes? > Are these settings reasonable? With a small index I have been getting > some great hit-rates. > 1024 > > > initialSize="512" autowarmCount="80"/> > > initialSize="512" autowarmCount="80"/> > > initialSize="512" autowarmCount="0"/> > > Thanks > Robi > > -----Original Message----- > From: Otis Gospodnetic [mailto:otis_gospodne...@yahoo.com] > Sent: Friday, July 31, 2009 11:37 PM > To: solr-user@lucene.apache.org > Subject: Re: 99.9% uptime requirement > > Robi, > > Solr is indeed very stable. However, it can crash and I've seen it > crash. Or rather, I should say I've seen the JVM that runs Solr crash. > For instance, if you have a servlet container with a number of webapps, > one of which is Solr, and one of which has a memory leak, I believe all > webapps will suffer and "crash". And even if you have just Solr in your > servlet container, it can OOM, say if you specify overly large caches or > too frequent commits, etc. > > Otis > -- > Sematext is hiring -- http://sematext.com/about/jobs.html?mls > Lucene, Solr, Nutch, Katta, Hadoop, HBase, UIMA, NLP, NER, IR > > > > ----- Original Message ---- > > From: Robert Petersen > > To: solr-user@lucene.apache.org > > Sent: Friday, July 31, 2009 12:18:55 PM > > Subject: 99.9% uptime requirement > > > > Hi all, > > > > My solr project powers almost all the pages in our site and so needs > to > > be up period. My question is what can I do to ensure that happens? > > Does solr ever crash, assuming reasonable load conditions and no > extreme > > index sizes? > > > > I saw some comments about running solr under daemontools in order to > get > > an auto-restart on crashes. From what I have seen so far in my > limited > > experience, solr is very stable and never crashes (so far). Does > anyone > > else have this requirement and if so how do they deal with it? Is > > anyone else running solr under daemontools in a production site? > > > > Thanks for any input you might have, > > Robi
