Just set the log level to debug and then run your app until you start seeing the problem. Thanks
On Mon, 12 Dec 2016 at 12:47 Jon Yeargers <jon.yearg...@cedexis.com> wrote: > I can log whatever you need. Tell me what is useful. > > On Mon, Dec 12, 2016 at 4:43 AM, Damian Guy <damian....@gmail.com> wrote: > > > If you provide the logs from your streams application then we might have > > some chance of working out what is going on. Without logs then we really > > don't have much hope of diagnosing the problem. > > > > On Mon, 12 Dec 2016 at 12:18 Jon Yeargers <jon.yearg...@cedexis.com> > > wrote: > > > > > Im running as many threads as I have partitions on this topic. Just > > curious > > > if it would make any difference to the seemingly endless rebalancing > > woes. > > > > > > So far no change. In fact, I'll often see all 10 partitions (plus the > 2 x > > > 10 for the two aggregations) assigned to a single thread. > > > > > > On Mon, Dec 12, 2016 at 4:15 AM, Jon Yeargers < > jon.yearg...@cedexis.com> > > > wrote: > > > > > > > At this moment I have 5 instances each running 2 threads. > > > > Single instance / machine. > > > > > > > > Define 'full logs' ? > > > > > > > > On Mon, Dec 12, 2016 at 3:54 AM, Damian Guy <damian....@gmail.com> > > > wrote: > > > > > > > >> Jon, > > > >> > > > >> How many StreamThreads do you have running? > > > >> How many application instances? > > > >> Do you have more than one instance per machine? If yes, are they > > sharing > > > >> the same State Directory? > > > >> Do you have full logs that can be provided so we can try and see > > > how/what > > > >> is happening? > > > >> > > > >> Thanks, > > > >> Damian > > > >> > > > >> On Mon, 12 Dec 2016 at 10:17 Jon Yeargers <jon.yearg...@cedexis.com > > > > > >> wrote: > > > >> > > > >> > No luck here. Moved all state storage to a non-tmp folder and > > > restarted. > > > >> > Still hitting the 'No locks available' error quite frequently. > > > >> > > > > >> > On Sun, Dec 11, 2016 at 3:45 PM, Jon Yeargers < > > > jon.yearg...@cedexis.com > > > >> > > > > >> > wrote: > > > >> > > > > >> > > I moved the state folder to a separate drive and linked out to > it. > > > >> > > > > > >> > > I'll try your suggestion and point directly. > > > >> > > > > > >> > > On Sun, Dec 11, 2016 at 2:20 PM, Matthias J. Sax < > > > >> matth...@confluent.io> > > > >> > > wrote: > > > >> > > > > > >> > >> I am not sure, but this might be related with your state > > directory. > > > >> > >> > > > >> > >> You use default directory that is located in /tmp -- could it > be, > > > >> that > > > >> > >> /tmp gets clean up and thus you loose files/directories? > > > >> > >> > > > >> > >> Try to reconfigure your state directory via StreamsConfig: > > > >> > >> http://docs.confluent.io/current/streams/developer-guide. > > > >> > >> html#optional-configuration-parameters > > > >> > >> > > > >> > >> > > > >> > >> -Matthias > > > >> > >> > > > >> > >> On 12/11/16 1:28 AM, Jon Yeargers wrote: > > > >> > >> > Seeing this appearing somewhat frequently - > > > >> > >> > > > > >> > >> > org.apache.kafka.streams.errors.ProcessorStateException: > Error > > > >> opening > > > >> > >> > store minute_agg_stream-201612100812 at location > > > >> > >> > /tmp/kafka-streams/MinuteAgg/1_9/minute_agg_stream/minute_ag > > > >> > >> g_stream-201612100812 > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.streams.state.internals.RocksDBStore.openDB > > > >> > >> (RocksDBStore.java:196) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.streams.state.internals.RocksDBStore.openDB > > > >> > >> (RocksDBStore.java:158) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.streams.state.internals.RocksDBWindowStore$ > > > >> > >> Segment.openDB(RocksDBWindowStore.java:72) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.streams.state.internals.RocksDBWindowStore. > > > >> > >> getOrCreateSegment(RocksDBWindowStore.java:402) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.streams.state.internals.RocksDBWindowStore. > > > >> > >> putInternal(RocksDBWindowStore.java:333) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.streams.state.internals.RocksDBWindowStore. > > > >> > >> access$100(RocksDBWindowStore.java:51) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.streams.state.internals.RocksDBWindowStore$ > > > >> > >> 2.restore(RocksDBWindowStore.java:212) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.streams.processor.internals.ProcessorStateM > > > >> > >> anager.restoreActiveState(ProcessorStateManager.java:235) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.streams.processor.internals.ProcessorStateM > > > >> > >> anager.register(ProcessorStateManager.java:198) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.streams.processor.internals.ProcessorContex > > > >> > >> tImpl.register(ProcessorContextImpl.java:123) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.streams.state.internals.RocksDBWindowStore. > > > >> > >> init(RocksDBWindowStore.java:206) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.streams.state.internals.MeteredWindowStore. > > > >> > >> init(MeteredWindowStore.java:66) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.streams.state.internals.CachingWindowStore. > > > >> > >> init(CachingWindowStore.java:64) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.streams.processor.internals.AbstractTask.in > > > >> > >> itializeStateStores(AbstractTask.java:81) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.streams.processor.internals.StreamTask.< > > > >> > >> init>(StreamTask.java:120) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.streams.processor.internals.StreamThread. > > > >> > >> createStreamTask(StreamThread.java:633) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.streams.processor.internals.StreamThread. > > > >> > >> addStreamTasks(StreamThread.java:660) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.streams.processor.internals.StreamThread. > > > >> > >> access$100(StreamThread.java:69) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.streams.processor.internals.StreamThread$1. > > > >> > >> onPartitionsAssigned(StreamThread.java:124) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.clients.consumer.internals.ConsumerCoordina > > > >> > >> tor.onJoinComplete(ConsumerCoordinator.java:228) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.clients.consumer.internals.AbstractCoordina > > > >> > >> tor.joinGroupIfNeeded(AbstractCoordinator.java:313) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.clients.consumer.internals.AbstractCoordina > > > >> > >> tor.ensureActiveGroup(AbstractCoordinator.java:277) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.clients.consumer.internals.ConsumerCoordina > > > >> > >> tor.poll(ConsumerCoordinator.java:259) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce( > > > >> > >> KafkaConsumer.java:1013) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaCo > > > >> > >> nsumer.java:979) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.streams.processor.internals.StreamThread. > > > >> > >> runLoop(StreamThread.java:407) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.streams.processor.internals.StreamThread. > > > >> > >> run(StreamThread.java:242) > > > >> > >> > > > > >> > >> > Caused by: org.rocksdb.RocksDBException: IO error: lock > > > >> > >> > /tmp/kafka-streams/MinuteAgg/1_9/minute_agg_stream/minute_ag > > > >> > >> g_stream-201612100812/LOCK: > > > >> > >> > No locks available > > > >> > >> > > > > >> > >> > at org.rocksdb.RocksDB.open(Native Method) > > > >> > >> > > > > >> > >> > at org.rocksdb.RocksDB.open(RocksDB.java:184) > > > >> > >> > > > > >> > >> > at > > > >> > >> > org.apache.kafka.streams.state.internals.RocksDBStore.openDB > > > >> > >> (RocksDBStore.java:189) > > > >> > >> > > > > >> > >> > ... 26 common frames omitted > > > >> > >> > > > > >> > >> > > > >> > >> > > > >> > > > > > >> > > > > >> > > > > > > > > > > > > > >
