I usually use YourKit or JProfiler, but there are free ones too, like VisualVM.
Check out: http://www.lucidimagination.com/blog/2009/09/19/java-garbage-collection-boot-camp-draft/ and http://www.lucidimagination.com/blog/2009/02/09/investigating-oom-and-other-jvm-issues/ On Dec 22, 2009, at 9:38 PM, Maduranga Kannangara wrote: > Hi All, > > Recently we noticed that some of our heavy load Solr instances are facing > memory leak kind situations. > It goes onto Full GC and as it was unable to release any memory, the broken > pripe and socket errors happen. > > (This happens both in Solr 1.3 and 1.4 for us.) > > Is there a good tool (preferably open source) that we could use to profile on > the Solr deployed Tomcat and to figure out what is happening with the > situation? If it was a connection keep alive or some wrong queries/bad schema > configuration etc? > > Sorry about the laymen language.. > > Thanks in advance for all the responses! > Madu >
