Hi - anyone to share some hints on the topic?
Regards, M. -----Original message----- > From:Markus Jelsma <markus.jel...@openindex.io> > Sent: Wednesday 5th August 2015 12:13 > To: solr-user <solr-user@lucene.apache.org> > Subject: High CPU DistributedQueue and OverseerAutoReplicaFailoverThread > > Hello - we have a single Solr 5.2.1 node that (for now) contains four single > shard collections. Only two collections actually contain data and are > queried. The machine has some unusual latency that led me to sample the CPU > time with VisualVM. On that node we see that > DistributedQueue$LatchWachter.await() and OverseerAutoReplicaFailoverThread() > claiming a lot of CPU time, DistributedQueue takes the most of it. I have set > logging to DEBUG but no Zookeeper logging is printed, the connections are > stable and updates rarely come in. > > Is it because the node runs the overseer? If so, how can i prevent it from > taking quite a lot of CPU time on a node with four collections where no state > changes occur? > > Any other thoughts? > Markus >
