Is there a way to dump the contents of permgen and look at which classes are occupying the most memory in that?
- Nitin On Mon, Mar 3, 2014 at 11:19 AM, KNitin <nitin.t...@gmail.com> wrote: > Regarding PermGen: Yes we have a bunch of custom jars loaded in solrcloud > (containing custom parsing, analyzers). But I haven't specifically enabled > any string interning. Does solr intern all strings in a collection by > default? > > I agree with doc and Filter Query Cache. Query Result cache hits are > practically 0 for the large collection since our queries are tail by nature > > > Thanks > Nitin > > > On Mon, Mar 3, 2014 at 5:01 AM, Michael Sokolov < > msoko...@safaribooksonline.com> wrote: > >> On 3/3/2014 1:54 AM, KNitin wrote: >> >>> 3. 2.8 Gb - Perm Gen (I am guessing this is because of interned strings) >>> >> As others have pointed out, this is really unusual for Solr. We often >> see high permgen in our app servers due to dynamic class loading that the >> framework performs; maybe you are somehow loading lots of new Solr plugins, >> or otherwise creating lots of classes? Of course if you have a plugin or >> something that does a lot of string interning, that could also be an >> explanation. >> >> -Mike >> > >
