> > Part Solr log part GC log? Strange. > > The log is catalina.out. Solr requests are apparently logged into this > file, as are Tomcat's garbage collections (-verbose:gc).
Ah yes. You can store GC log in a separate file. Makes life easier. > > > Anyway, your permgen is full, do not reload Solr in Tomcat as it, by > > default, does not free previous permgen space. > > Thank you, I reload the Solr application to reload the schema, but a > quick search suggested I use the core admin > (http://wiki.apache.org/solr/CoreAdmin#RELOAD) to reload the schema. Try increasing permgen space. It's full according to the logs. It should be at least 32M but you're safe at 64M. > > > > -----Oorspronkelijk bericht----- > Van: Markus Jelsma [mailto:markus.jel...@openindex.io] > Verzonden: maandag 22 augustus 2011 10:44 > Aan: solr-user@lucene.apache.org > CC: Reinier Kip > Onderwerp: Re: Tomcat freezes one or more times a day > > > Tomcat freezes one or more times a day. It may be related to the > > reloading (in Tomcat's manager) of the Solr application. Searching the > > > > internet led me to the conclusion that this might be due to garbage > > collection. I was advised to enable more detailed logging of garbage > > collection with '-verbose:gc'. Tomcat's JAVA_OPTS currently looks like > > > > this. > > > > > > > > JAVA_OPTS="-Djava.awt.headless=true -Xmx128m -XX:+UseConcMarkSweepGC > > -verbose:gc -XX:+PrintGCTimeStamps -XX:+PrintGCDetails" > > > > > > > > This morning it froze again, you can find the log since the first > > request today - after which Tomcat froze - at > > http://pastebin.com/yVGmAjK8 <http://pastebin.com/yVGmAjK8> . I do not > > > > know when the GC would have stopped, as the server was restarted after > > > > three minutes (an unacceptable long downtime). > > Part Solr log part GC log? Strange. Anyway, your permgen is full, do not > reload Solr in Tomcat as it, by default, does not free previous permgen > space. > > > Does anyone have a clue as to what is going on here? > > > > > > > > Reinier