Thanks. If there is anything I can do to help you resolve this issue, let me know.
-Kevin On Wed, Sep 4, 2013 at 7:51 AM, Mark Miller <markrmil...@gmail.com> wrote: > Ill look at fixing the root issue for 4.5. I've been putting it off for > way to long. > > Mark > > Sent from my iPhone > > On Sep 3, 2013, at 2:15 PM, Kevin Osborn <kevin.osb...@cbsi.com> wrote: > > > I was having problems updating SolrCloud with a large batch of records. > The > > records are coming in bursts with lulls between updates. > > > > At first, I just tried large updates of 100,000 records at a time. > > Eventually, this caused Solr to hang. When hung, I can still query Solr. > > But I cannot do any deletes or other updates to the index. > > > > At first, my updates were going as SolrJ CSV posts. I have also tried > local > > file updates and had similar results. I finally slowed things down to > just > > use SolrJ's Update feature, which is basically just JavaBin. I am also > > sending over just 100 at a time in 10 threads. Again, it eventually hung. > > > > Sometimes, Solr hangs in the first couple of chunks. Other times, it > hangs > > right away. > > > > These are my commit settings: > > > > <autoCommit> > > <maxTime>15000</maxTime> > > <maxDocs>5000</maxDocs> > > <openSearcher>false</openSearcher> > > </autoCommit> > > <autoSoftCommit> > > <maxTime>30000</maxTime> > > </autoSoftCommit> > > > > I have tried quite a few variations with the same results. I also tried > > various JVM settings with the same results. The only variable seems to be > > that reducing the cluster size from 2 to 1 is the only thing that helps. > > > > I also did a jstack trace. I did not see any explicit deadlocks, but I > did > > see quite a few threads in WAITING or TIMED_WAITING. It is typically > > something like this: > > > > java.lang.Thread.State: WAITING (parking) > > at sun.misc.Unsafe.park(Native Method) > > - parking to wait for <0x000000074039a450> (a > > java.util.concurrent.Semaphore$NonfairSync) > > at > java.util.concurrent.locks.LockSupport.park(LockSupport.java:186) > > at > > > java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834) > > at > > > java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:994) > > at > > > java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1303) > > at java.util.concurrent.Semaphore.acquire(Semaphore.java:317) > > at > > > org.apache.solr.util.AdjustableSemaphore.acquire(AdjustableSemaphore.java:61) > > at > > > org.apache.solr.update.SolrCmdDistributor.submit(SolrCmdDistributor.java:418) > > at > > > org.apache.solr.update.SolrCmdDistributor.submit(SolrCmdDistributor.java:368) > > at > > > org.apache.solr.update.SolrCmdDistributor.flushAdds(SolrCmdDistributor.java:300) > > at > > > org.apache.solr.update.SolrCmdDistributor.distribAdd(SolrCmdDistributor.java:139) > > at > > > org.apache.solr.update.processor.DistributedUpdateProcessor.processAdd(DistributedUpdateProcessor.java:474) > > at > > > org.apache.solr.handler.loader.CSVLoaderBase.doAdd(CSVLoaderBase.java:395) > > at > > > org.apache.solr.handler.loader.SingleThreadedCSVLoader.addDoc(CSVLoader.java:44) > > at > > org.apache.solr.handler.loader.CSVLoaderBase.load(CSVLoaderBase.java:364) > > at > org.apache.solr.handler.loader.CSVLoader.load(CSVLoader.java:31) > > at > > > org.apache.solr.handler.UpdateRequestHandler$1.load(UpdateRequestHandler.java:92) > > at > > > org.apache.solr.handler.ContentStreamHandlerBase.handleRequestBody(ContentStreamHandlerBase.java:74) > > at > > > org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135) > > at org.apache.solr.core.SolrCore.execute(SolrCore.java:1904) > > at > > > org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:659) > > at > > > org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:362) > > at > > > org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:158) > > at > > > org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1419) > > at > > > org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:455) > > at > > > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137) > > at > > > org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:533) > > at > > > org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231) > > at > > > org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1075) > > at > > org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:384) > > at > > > org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193) > > at > > > org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1009) > > at > > > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135) > > at > > > org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255) > > at > > > org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:154) > > > > It basically appears that Solr gets stuck while trying to acquire a > > semaphore that never becomes available. > > > > Anyone have any ideas? This is definitely causing major problems for us. > > > > -- > > *KEVIN OSBORN* > > LEAD SOFTWARE ENGINEER > > CNET Content Solutions > > OFFICE 949.399.8714 > > CELL 949.310.4677 SKYPE osbornk > > 5 Park Plaza, Suite 600, Irvine, CA 92614 > > [image: CNET Content Solutions] > -- *KEVIN OSBORN* LEAD SOFTWARE ENGINEER CNET Content Solutions OFFICE 949.399.8714 CELL 949.310.4677 SKYPE osbornk 5 Park Plaza, Suite 600, Irvine, CA 92614 [image: CNET Content Solutions]
