Which version of Solr? Java? What garbage collection parameters? On Thu, Jan 21, 2010 at 1:03 PM, Matthieu Labour <matth...@strateer.com> wrote: > Hi > > I have been requested to look at a solr instance that has been patched with > our own home grown patch to be able to handle 1000 cores on a solr instance > > The solr instance doesn't perform well. Within 12 hours, I can see the > garbage collection taking a lot of time and query & update requests are > timing out (see below ) > > [Full GC [PSYoungGen: 673152K->98800K(933888K)] [PSOldGen: > 2389375K->2389375K(2389376K)] 3062527K->2488176K(3323264K) [PSPermGen: > 23681K->23681K(23744K)], 4.0807080 secs] [Times: user=4.08 sys=0.00, > real=4.08 secs] > > org.apache.solr.client.solrj.SolrServerException: > java.net.SocketTimeoutException: Read timed out > at > org.apache.solr.client.solrj.impl.CommonsHttpSolrServer.request(CommonsHttpSolrServer.java:472) > at > org.apache.solr.client.solrj.impl.CommonsHttpSolrServer.request(CommonsHttpSolrServer.java:243) > at > org.apache.solr.client.solrj.request.AbstractUpdateRequest.process(AbstractUpdateRequest.java:105) > > > I used yourkit to track down eventual memory leaks but didn't succeed in > finding one > > The biggest objects using up the memory seem to be org.apache.lucene.Term > and org.apache.lucene.TermInfo > > The total size of the data directory in index is 46G with a typical big core > being 100000 documents and size of 103M > > There are lots of search requests and indexing happening > > I am posting to the mailing list hoping to hear that we must be doing > something completely wrong because it doesn't seem to me that we are pushing > the limit. I would appreciate any tips as where to look at etc... to > troubleshoot and solve the issue > > Thank you for your help ! > > matt >
-- Lance Norskog goks...@gmail.com
