You also can increase the JVM HeapSize if you have enough physical memory, like for example if you have 4GB physical, gives the JVM heapsize 2GB or 2.5GB.
Francis -----Original Message----- From: didier deshommes [mailto:dfdes...@gmail.com] Sent: Thursday, September 24, 2009 3:32 PM To: solr-user@lucene.apache.org Cc: Andrew Montalenti Subject: OutOfMemoryError due to auto-warming Hi there, We are running solr and allocating 1GB to it and we keep having OutOfMemoryErrors. We get messages like this: Error during auto-warming of key:org.apache.solr.search.queryresult...@c785194d:java.lang.OutOfMemoryError: Java heap space at java.util.Arrays.copyOfRange(Arrays.java:3209) at java.lang.String.<init>(String.java:216) at org.apache.lucene.index.TermBuffer.toTerm(TermBuffer.java:122) at org.apache.lucene.index.SegmentTermEnum.term(SegmentTermEnum.java:169) at org.apache.lucene.search.FieldCacheImpl$StringIndexCache.createValue(FieldCacheImpl.java:701) at org.apache.lucene.search.FieldCacheImpl$Cache.get(FieldCacheImpl.java:208) at org.apache.lucene.search.FieldCacheImpl.getStringIndex(FieldCacheImpl.java:676) at org.apache.solr.search.MissingLastOrdComparator.setNextReader(MissingStringLastComparatorSource.java:181) at org.apache.lucene.search.TopFieldCollector$OneComparatorNonScoringCollector.setNextReader(TopFieldCollector.java:94) at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:252) at org.apache.lucene.search.Searcher.search(Searcher.java:173) at org.apache.solr.search.SolrIndexSearcher.getDocListNC(SolrIndexSearcher.java:988) at org.apache.solr.search.SolrIndexSearcher.getDocListC(SolrIndexSearcher.java:884) at org.apache.solr.search.SolrIndexSearcher.access$000(SolrIndexSearcher.java:51) at org.apache.solr.search.SolrIndexSearcher$3.regenerateItem(SolrIndexSearcher.java:332) at org.apache.solr.search.LRUCache.warm(LRUCache.java:194) at org.apache.solr.search.SolrIndexSearcher.warm(SolrIndexSearcher.java:1481) at org.apache.solr.core.SolrCore$3.call(SolrCore.java:1154) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:619) And like this: Error during auto-warming of key:org.apache.solr.search.queryresult...@33cf792:java.lang.OutOfMemoryError: Java heap space We've searched and one suggestion was to reduce the size of the various caches that do sorting in solrconfig.xml (http://osdir.com/ml/solr-user.lucene.apache.org/2009-05/msg01043.html). Does this solution generally work? Can anyone think of any other cause for this problem? didier
