On Thu, Apr 19, 2012 at 4:25 AM, "Trym R. Møller" <t...@sigmat.dk> wrote: > Hi > > I am using Solr trunk and have 7 Solr instances running with 28 leaders and > 28 replicas for a single collection. > After indexing a while (a couple of days) the solrs start hanging and doing > a thread dump on the jvm I see blocked threads like the following: > Thread 2369: (state = BLOCKED) > - sun.misc.Unsafe.park(boolean, long) @bci=0 (Compiled frame; > information may be imprecise) > - java.util.concurrent.locks.LockSupport.park(java.lang.Object) @bci=14, > line=158 (Compiled frame) > - > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await() > @bci=42, line=1987 (Compiled frame) > - java.util.concurrent.LinkedBlockingQueue.take() @bci=29, line=399 > (Compiled frame) > - java.util.concurrent.ExecutorCompletionService.take() @bci=4, line=164 > (Compiled frame) > - org.apache.solr.update.SolrCmdDistributor.checkResponses(boolean) > @bci=27, line=350 (Compiled frame) > - org.apache.solr.update.SolrCmdDistributor.finish() @bci=18, line=98 > (Compiled frame) > - org.apache.solr.update.processor.DistributedUpdateProcessor.doFinish() > @bci=4, line=299 (Compiled frame) > - org.apache.solr.update.processor.DistributedUpdateProcessor.finish() > @bci=1, line=817 (Compiled frame) > ... > - org.mortbay.thread.QueuedThreadPool$PoolThread.run() @bci=25, line=582 > (Interpreted frame) > > I read the stack trace as my indexing client has indexed a document and this > Solr is now waiting for the replica? to respond before returning an answer > to the client.
Correct. What's the full stack trace like on both a leader and replica? We need to know what the replica is blocking on. What version of trunk are you using? -Yonik lucenerevolution.com - Lucene/Solr Open Source Search Conference. Boston May 7-10
