i gotten two different out of memory errors while using the field collapsing component, using the latest patch (2009-09-26) and the latest nightly,
has anyone else encountered similar problems? my collection is 5 million results but ive gotten the error collapsing as little as a few thousand SEVERE: java.lang.OutOfMemoryError: Java heap space at org.apache.lucene.util.ArrayUtil.grow(ArrayUtil.java:173) at org.apache.lucene.util.OpenBitSet.ensureCapacityWords(OpenBitSet.java:749) at org.apache.lucene.util.OpenBitSet.ensureCapacity(OpenBitSet.java:757) at org.apache.lucene.util.OpenBitSet.expandingWordNum(OpenBitSet.java:292) at org.apache.lucene.util.OpenBitSet.set(OpenBitSet.java:233) at org.apache.solr.search.AbstractDocumentCollapser.addCollapsedDoc(AbstractDocumentCollapser.java:402) at org.apache.solr.search.NonAdjacentDocumentCollapser.doCollapsing(NonAdjacentDocumentCollapser.java:115) at org.apache.solr.search.AbstractDocumentCollapser.collapse(AbstractDocumentCollapser.java:208) at org.apache.solr.handler.component.CollapseComponent.doProcess(CollapseComponent.java:98) at org.apache.solr.handler.component.CollapseComponent.process(CollapseComponent.java:66) at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:195) at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131) at org.apache.solr.core.SolrCore.execute(SolrCore.java:1316) at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:338) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:241) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1148) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:387) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:417) at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230) at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:534) at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:864) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:539) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:520) SEVERE: java.lang.OutOfMemoryError: Java heap space at org.apache.solr.util.DocSetScoreCollector.<init>(DocSetScoreCollector.java:44) at org.apache.solr.search.NonAdjacentDocumentCollapser.doQuery(NonAdjacentDocumentCollapser.java:68) at org.apache.solr.search.AbstractDocumentCollapser.collapse(AbstractDocumentCollapser.java:205) at org.apache.solr.handler.component.CollapseComponent.doProcess(CollapseComponent.java:98) at org.apache.solr.handler.component.CollapseComponent.process(CollapseComponent.java:66) at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:195) at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131) at org.apache.solr.core.SolrCore.execute(SolrCore.java:1316) at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:338) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:241) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1148) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:387) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:417) at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230) at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:534) at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:864) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:539) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:520)