I faced such problem when I used nomergepolicy, and did some code to manual merging segments which had bug and I had same issue. Make sure you have default AFAIR ConcurrentMergeStrategy enabled. And its is configured with appropriate settings.
On Jul 31, 2017 11:21 PM, "Erick Erickson" <erickerick...@gmail.com> wrote: > No, nothing's changed fundamentally. But you say: > > "We have some batch indexing scripts, which > flood the solr servers with indexing requests (while keeping open-searcher > false)" > > What is your commit interval? Regardless of whether openSearcher is false > or not, background merging continues apace with every commit. By any chance > did you change your merge policy (or not copy the one from 4x to 6x)? Shot > in the dark... > > Best, > Erick > > On Mon, Jul 31, 2017 at 7:15 PM, Nawab Zada Asad Iqbal <khi...@gmail.com> > wrote: > > Hi, > > > > I am upgrading from solr4.5 to solr6.6 and hitting this issue during > > complete reindexing scenario. We have some batch indexing scripts, which > > flood the solr servers with indexing requests (while keeping > open-searcher > > false) for many hours and then perform one commit. This used to work fine > > with 4.5, but with 6.6, i get 'Too many open files' within a couple of > > minutes. I have checked that "ulimit" is same between old and new > servers. > > > > Has something fundamentally changed in recent lucene versions, which > keeps > > file descriptors around for a longer time? > > > > > > Here is a sample error message: > > at org.apache.lucene.index.IndexWriter.ensureOpen( > IndexWriter.java:749) > > at org.apache.lucene.index.IndexWriter.ensureOpen( > IndexWriter.java:763) > > at org.apache.lucene.index.IndexWriter.commit(IndexWriter.java:3206) > > at > > org.apache.solr.update.DirectUpdateHandler2.commit( > DirectUpdateHandler2.java:644) > > at > > org.apache.solr.update.processor.RunUpdateProcessor.processCommit( > RunUpdateProcessorFactory.java:93) > > at > > org.apache.solr.update.processor.UpdateRequestProcessor.processCommit( > UpdateRequestProcessor.java:68) > > at > > org.apache.solr.update.processor.DistributedUpdateProcessor. > doLocalCommit(DistributedUpdateProcessor.java:1894) > > at > > org.apache.solr.update.processor.DistributedUpdateProcessor. > processCommit(DistributedUpdateProcessor.java:1871) > > at > > org.apache.solr.update.processor.LogUpdateProcessorFactory$ > LogUpdateProcessor.processCommit(LogUpdateProcessorFactory.java:160) > > at > > org.apache.solr.update.processor.UpdateRequestProcessor.processCommit( > UpdateRequestProcessor.java:68) > > at > > org.apache.solr.handler.RequestHandlerUtils.handleCommit( > RequestHandlerUtils.java:68) > > at > > org.apache.solr.handler.ContentStreamHandlerBase.handleRequestBody( > ContentStreamHandlerBase.java:62) > > at > > org.apache.solr.handler.RequestHandlerBase.handleRequest( > RequestHandlerBase.java:173) > > at org.apache.solr.core.SolrCore.execute(SolrCore.java:2477) > > at org.apache.solr.servlet.HttpSolrCall.execute( > HttpSolrCall.java:723) > > at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:529) > > at > > org.apache.solr.servlet.SolrDispatchFilter.doFilter( > SolrDispatchFilter.java:361) > > at > > org.apache.solr.servlet.SolrDispatchFilter.doFilter( > SolrDispatchFilter.java:305) > > at > > org.eclipse.jetty.servlet.ServletHandler$CachedChain. > doFilter(ServletHandler.java:1691) > > at > > org.eclipse.jetty.servlet.ServletHandler.doHandle( > ServletHandler.java:582) > > at > > org.eclipse.jetty.server.handler.ScopedHandler.handle( > ScopedHandler.java:143) > > at > > org.eclipse.jetty.security.SecurityHandler.handle( > SecurityHandler.java:548) > > at > > org.eclipse.jetty.server.session.SessionHandler. > doHandle(SessionHandler.java:226) > > at > > org.eclipse.jetty.server.handler.ContextHandler. > doHandle(ContextHandler.java:1180) > > at > > org.eclipse.jetty.servlet.ServletHandler.doScope( > ServletHandler.java:512) > > at > > org.eclipse.jetty.server.session.SessionHandler. > doScope(SessionHandler.java:185) > > at > > org.eclipse.jetty.server.handler.ContextHandler. > doScope(ContextHandler.java:1112) > > at > > org.eclipse.jetty.server.handler.ScopedHandler.handle( > ScopedHandler.java:141) > > at > > org.eclipse.jetty.server.handler.ContextHandlerCollection.handle( > ContextHandlerCollection.java:213) > > at > > org.eclipse.jetty.server.handler.HandlerCollection. > handle(HandlerCollection.java:119) > > at > > org.eclipse.jetty.server.handler.HandlerWrapper.handle( > HandlerWrapper.java:134) > > at > > org.eclipse.jetty.rewrite.handler.RewriteHandler.handle( > RewriteHandler.java:335) > > at > > org.eclipse.jetty.server.handler.HandlerWrapper.handle( > HandlerWrapper.java:134) > > at org.eclipse.jetty.server.Server.handle(Server.java:534) > > at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320) > > at > > org.eclipse.jetty.server.HttpConnection.onFillable( > HttpConnection.java:251) > > at > > org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded( > AbstractConnection.java:273) > > at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95) > > at > > org.eclipse.jetty.io.SelectChannelEndPoint$2.run( > SelectChannelEndPoint.java:93) > > at > > org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume. > executeProduceConsume(ExecuteProduceConsume.java:303) > > at > > org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume. > produceConsume(ExecuteProduceConsume.java:148) > > at > > org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run( > ExecuteProduceConsume.java:136) > > at > > org.eclipse.jetty.util.thread.QueuedThreadPool.runJob( > QueuedThreadPool.java:671) > > at > > org.eclipse.jetty.util.thread.QueuedThreadPool$2.run( > QueuedThreadPool.java:589) > > at java.lang.Thread.run(Thread.java:748) > > Caused by: java.nio.file.FileSystemException: > > /local/var/solr/shard2/filesearch/data/index/_34w5.fdx: Too many open > files > > at > > sun.nio.fs.UnixException.translateToIOException(UnixException.java:91) > > at sun.nio.fs.UnixException.rethrowAsIOException( > UnixException.java:102) > > at sun.nio.fs.UnixException.rethrowAsIOException( > UnixException.java:107) > > at > > sun.nio.fs.UnixFileSystemProvider.newByteChannel( > UnixFileSystemProvider.java:214) > > at > > java.nio.file.spi.FileSystemProvider.newOutputStream( > FileSystemProvider.java:434) > > at java.nio.file.Files.newOutputStream(Files.java:216) > > at > > org.apache.lucene.store.FSDirectory$FSIndexOutput.< > init>(FSDirectory.java:413) > > at > > org.apache.lucene.store.FSDirectory$FSIndexOutput.< > init>(FSDirectory.java:409) > > at > > org.apache.lucene.store.FSDirectory.createOutput(FSDirectory.java:253) > > at > > org.apache.lucene.store.LockValidatingDirectoryWrapper.createOutput( > LockValidatingDirectoryWrapper.java:44) > > at > > org.apache.lucene.store.TrackingDirectoryWrapper.createOutput( > TrackingDirectoryWrapper.java:43) > > at > > org.apache.lucene.codecs.compressing.CompressingStoredFieldsWriter. > <init>(CompressingStoredFieldsWriter.java:114) > > at > > org.apache.lucene.codecs.compressing.CompressingStoredFieldsFormat. > fieldsWriter(CompressingStoredFieldsFormat.java:128) > > at > > org.apache.lucene.codecs.lucene50.Lucene50StoredFieldsFormat. > fieldsWriter(Lucene50StoredFieldsFormat.java:183) > > at > > org.apache.lucene.index.StoredFieldsConsumer.initStoredFieldsWriter( > StoredFieldsConsumer.java:39) > > at > > org.apache.lucene.index.StoredFieldsConsumer.startDocument( > StoredFieldsConsumer.java:46) > > at > > org.apache.lucene.index.DefaultIndexingChain.startStoredFields( > DefaultIndexingChain.java:364) > > at > > org.apache.lucene.index.DefaultIndexingChain.processDocument( > DefaultIndexingChain.java:398) > > at > > org.apache.lucene.index.DocumentsWriterPerThread.updateDocument( > DocumentsWriterPerThread.java:232) > > at > > org.apache.lucene.index.DocumentsWriter.updateDocument( > DocumentsWriter.java:478) > > at > > org.apache.lucene.index.IndexWriter.updateDocument( > IndexWriter.java:1571) > > at > > org.apache.solr.update.DirectUpdateHandler2.updateDocument( > DirectUpdateHandler2.java:924) > > at > > org.apache.solr.update.DirectUpdateHandler2.updateDocOrDocValues( > DirectUpdateHandler2.java:913) > > at > > org.apache.solr.update.DirectUpdateHandler2.doNormalUpdate( > DirectUpdateHandler2.java:302) > > at > > org.apache.solr.update.DirectUpdateHandler2.addDoc0( > DirectUpdateHandler2.java:239) > > at > > org.apache.solr.update.DirectUpdateHandler2.addDoc( > DirectUpdateHandler2.java:194) > > at > > org.apache.solr.update.processor.RunUpdateProcessor.processAdd( > RunUpdateProcessorFactory.java:67) > > at > > org.apache.solr.update.processor.UpdateRequestProcessor.processAdd( > UpdateRequestProcessor.java:55) > > at > > org.apache.solr.update.processor.DistributedUpdateProcessor.versionAdd( > DistributedUpdateProcessor.java:1005) > > at > > org.apache.solr.update.processor.DistributedUpdateProcessor.processAdd( > DistributedUpdateProcessor.java:748) > > at > > org.apache.solr.update.processor.LogUpdateProcessorFactory$ > LogUpdateProcessor.processAdd(LogUpdateProcessorFactory.java:103) > > at > > org.apache.solr.update.processor.UpdateRequestProcessor.processAdd( > UpdateRequestProcessor.java:55) > > at > > org.apache.solr.update.processor.LanguageIdentifierUpdateProces > sor.processAdd(LanguageIdentifierUpdateProcessor.java:205) > > at > > org.apache.solr.handler.loader.XMLLoader.processUpdate(XMLLoader.java: > 261) > > at org.apache.solr.handler.loader.XMLLoader.load(XMLLoader.java:188) > > at > > org.apache.solr.handler.UpdateRequestHandler$1.load( > UpdateRequestHandler.java:97) > > at > > org.apache.solr.handler.ContentStreamHandlerBase.handleRequestBody( > ContentStreamHandlerBase.java:68) > > ... 33 more > > > > > > > > Thanks > > Nawab > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > >
