Fixed on https://issues.apache.org/jira/browse/CASSANDRA-12905 (still to be released). If you're running repair of all keyspace or tables in a single command, run each table separately and should improve things a bit.
2017-01-05 7:54 GMT-02:00 Robert Sicoie <robert.sic...@gmail.com>: > Hi guys, > > While running repairs, I see this on one box: > > > *ERROR [RepairJobTask:19] 2017-01-05 09:12:36,940 RepairSession.java:290 - > [repair #3747c581-d325-11e6-92ea-130d59760dad] Session completed with the > following error* > > *org.apache.cassandra.exceptions.RepairException: [repair > #3747c581-d325-11e6-92ea-130d59760dad ...* > > *... Sync failed between /x.y.z.t and /x.y.z.v* > * at > org.apache.cassandra.repair.RemoteSyncTask.syncComplete(RemoteSyncTask.java:67) > ~[apache-c* > *assandra-3.0.5.jar:3.0.5]* > * at > org.apache.cassandra.repair.RepairSession.syncComplete(RepairSession.java:211) > ~[apache-ca* > *ssandra-3.0.5.jar:3.0.5]* > * at > org.apache.cassandra.service.ActiveRepairService.handleMessage(ActiveRepairService.java:41* > *3) ~[apache-cassandra-3.0.5.jar:3.0.5]* > * at > org.apache.cassandra.repair.RepairMessageVerbHandler.doVerb(RepairMessageVerbHandler.java:* > *168) ~[apache-cassandra-3.0.5.jar:3.0.5]* > * at org.apache.cassandra.net > <http://org.apache.cassandra.net>.MessageDeliveryTask.run(MessageDeliveryTask.java:67) > ~[apache-cas* > *sandra-3.0.5.jar:3.0.5]* > * at > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > ~[na:1.8.0_60]* > * at java.util.concurrent.FutureTask.run(FutureTask.java:266) > ~[na:1.8.0_60]* > * at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > [na:1.8.0_* > *60]* > * at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > [na:1.8.0_* > *60]* > * at java.lang.Thread.run(Thread.java:745) [na:1.8.0_60]* > > And on /x.y.z.v I see this: > > *ERROR [StreamReceiveTask:27] 2017-01-05 09:12:36,892 > StreamSession.java:520 - [Stream #b53eab60-d326-11e6-bbd3-d3d6e3ebef5c] > Streaming error occurred* > *org.apache.cassandra.exceptions.WriteTimeoutException: Operation timed > out - received only 0 responses.* > * at org.apache.cassandra.db.Keyspace.apply(Keyspace.java:431) > ~[apache-cassandra-3.0.5.jar:3.0.5]* > * at org.apache.cassandra.db.Keyspace.lambda$apply$62(Keyspace.java:443) > ~[apache-cassandra-3.0.5.jar:3.0.5]* > * at > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > ~[na:1.8.0_60]* > * at > org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run(AbstractLocalAwareExecutorService.java:164) > ~[apache-cassandra-3.0.5.jar:3.0.5]* > * at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105) > ~[apache-cassandra-3.0.5.jar:3.0.5]* > * at java.lang.Thread.run(Thread.java:745) [na:1.8.0_60]* > > > Cassandra 3.0.5, 5 nodes, NetworkTopologyStrategy, single dc, RF=3 > > This happened only recently a few times on several different boxes. > > How worried should I be? > > Thanks, > Robert >