Hi Yannis, Thanks for your reply.
It fixed the problem. Thanks again. On Thu, Oct 7, 2010 at 10:52 AM, Yannis Pavlidis <ypavli...@oneriot.com>wrote: > I would recommend you use NIOFSDirectory. We had similar issues and after > we switched to NIOFSDirectory these issues disappeared (dramatically > reduced). > > Also if you are using filters what has really helped us is to use cached > filters (CachingWrapperFilters). > > Hope that helps. > > Yannis. > > On Oct 6, 2010, at 11:12 PM, Shailendra Mudgal wrote: > > > Hi Everyone, > > > > Recently we have migrated from lucene 2.2 to lucene 2.9.3. > > > > We are having some issues in search. During the load, searchers are > getting > > hung up. When we took a process stack, we sound that there are around 450 > > threads are in the blocked state. > > > > > > Thread t...@885: (state = BLOCKED) > > - > > > org.apache.lucene.store.SimpleFSDirectory$SimpleFSIndexInput.readInternal(byte[], > > int, int) @bci=7, line=115 (Compiled frame) > > - org.apache.lucene.store.BufferedIndexInput.readBytes(byte[], int, int, > > boolean) @bci=203, line=136 (Compiled frame) > > - > > > org.apache.lucene.index.CompoundFileReader$CSIndexInput.readInternal(byte[], > > int, int) @bci=51, line=247 (Compiled frame) > > - org.apache.lucene.store.BufferedIndexInput.refill() @bci=87, line=157 > > (Compiled frame) > > - org.apache.lucene.store.BufferedIndexInput.readByte() @bci=12, line=38 > > (Compiled frame) > > - org.apache.lucene.store.IndexInput.readVInt() @bci=1, line=78 (Compiled > > frame) > > - > > > org.apache.lucene.index.TermBuffer.read(org.apache.lucene.store.IndexInput, > > org.apache.lucene.index.FieldInfos) @bci=6, line=64 (Compiled frame) > > - org.apache.lucene.index.SegmentTermEnum.next() @bci=64, line=129 > > (Compiled frame) > > - > > > org.apache.lucene.index.SegmentTermEnum.scanTo(org.apache.lucene.index.Term) > > @bci=25, line=160 (Compiled frame) > > - > org.apache.lucene.index.TermInfosReader.get(org.apache.lucene.index.Term, > > boolean) @bci=211, line=232 (Compiled frame) > > - > org.apache.lucene.index.TermInfosReader.get(org.apache.lucene.index.Term) > > @bci=3, line=179 (Compiled frame) > > - > > > org.apache.lucene.index.SegmentReader.docFreq(org.apache.lucene.index.Term) > > @bci=12, line=997 (Compiled frame) > > - > > > org.apache.lucene.index.DirectoryReader.docFreq(org.apache.lucene.index.Term) > > @bci=25, line=633 (Compiled frame) > > - > > > org.apache.lucene.index.FilterIndexReader.docFreq(org.apache.lucene.index.Term) > > @bci=9, line=195 (Compiled frame) > > - > > > org.apache.lucene.search.IndexSearcher.docFreq(org.apache.lucene.index.Term) > > @bci=5, line=147 (Compiled frame) > > - > > > org.apache.lucene.search.Similarity.idfExplain(org.apache.lucene.index.Term, > > org.apache.lucene.search.Searcher) @bci=29, line=765 (Compiled frame) > > - > > > org.apache.lucene.search.TermQuery$TermWeight.<init>(org.apache.lucene.search.TermQuery, > > org.apache.lucene.search.Searcher) @bci=28, line=46 (Compiled frame) > > - > > > org.apache.lucene.search.TermQuery.createWeight(org.apache.lucene.search.Searcher) > > @bci=6, line=146 (Compiled frame) > > - > > > org.apache.lucene.search.BooleanQuery$BooleanWeight.<init>(org.apache.lucene.search.BooleanQuery, > > org.apache.lucene.search.Searcher) @bci=72, line=184 (Compiled f > > rame) > > - > > > org.apache.lucene.search.BooleanQuery.createWeight(org.apache.lucene.search.Searcher) > > @bci=6, line=415 (Interpreted frame) > > - > > > org.apache.lucene.search.BooleanQuery$BooleanWeight.<init>(org.apache.lucene.search.BooleanQuery, > > org.apache.lucene.search.Searcher) @bci=72, line=184 (Compiled f > > rame) > > - > > > org.apache.lucene.search.BooleanQuery.createWeight(org.apache.lucene.search.Searcher) > > @bci=6, line=415 (Interpreted frame) > > - > org.apache.lucene.search.Query.weight(org.apache.lucene.search.Searcher) > > @bci=8, line=99 (Interpreted frame) > > - > > > org.apache.lucene.search.Searcher.createWeight(org.apache.lucene.search.Query) > > @bci=2, line=230 (Interpreted frame) > > - > org.apache.lucene.search.Searcher.search(org.apache.lucene.search.Query, > > org.apache.lucene.search.HitCollector) @bci=3, line=110 (Interpreted > frame) > > - lucene.searcher.MySearcherThread.run() @bci=99, line=52 (Compiled > frame) > > > > > > > > I have a feeling that these blocked threads are the causing searcher not > to > > respond. > > > > Our application is running on SunOS and we are using jdk1.6_04 > > > > Thanks in advance.. > > Vipin > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > >
