Good to hear. Could you create a documentation JIRA issue for this problem? Thanks a lot.
Cheers, Till On Wed, Apr 24, 2019 at 4:58 PM Vishal Santoshi <vishal.santo...@gmail.com> wrote: > Verified, I think we just need to make sure that it is documented :) > > On Wed, Apr 24, 2019 at 9:47 AM Vishal Santoshi <vishal.santo...@gmail.com> > wrote: > >> This makes total sense and actually is smart ( defensive ). Will test and >> report. I think though that this needs to be documented :) >> >> On Wed, Apr 24, 2019 at 6:03 AM Till Rohrmann <trohrm...@apache.org> >> wrote: >> >>> Hi Vishal, >>> >>> it seems that the following is happening: You triggered the cancel with >>> savepoint command from via the REST call. This command is an asynchronous >>> operation which produces a result (the savepoint path). In order to deliver >>> asynchronous results to the caller, Flink waits before shutting down until >>> they are delivered or until it times out after 5 minutes. I assume that you >>> don't request the savepoint path from Flink via the returned URL from the >>> original request. This could either happen if you kill the CLI before its >>> done or if you have written your own method to trigger this operation. >>> >>> I guess we could add a flag for asynchronous operations which tells >>> Flink that their results don't need to get delivered to some client. If you >>> would like to have such a feature, then please open a JIRA issue for it. >>> >>> Cheers, >>> Till >>> >>> On Wed, Apr 24, 2019 at 3:49 AM Vishal Santoshi < >>> vishal.santo...@gmail.com> wrote: >>> >>>> Anyione ? >>>> >>>> >>>> >>>> I think there some race condition . These are the TM logs.. I am >>>> puzzled b'coz in a larger pipe ( there are about 32 lots on 8 replicas and >>>> it works >>>> >>>> >>>> >>>> >>>> 2019-04-24 01:16:20,889 DEBUG >>>> org.apache.flink.runtime.state.TaskExecutorLocalStateStoresManager - >>>> Releasing local state under allocation id 5a853ef886e1c599f86b9503306fffd2. >>>> >>>> 2019-04-24 01:16:20,894 DEBUG >>>> org.apache.flink.runtime.taskexecutor.TaskExecutor - Close >>>> JobManager connection for job 00000000000000000000000000000000. >>>> >>>> org.apache.flink.util.FlinkException: Stopping JobMaster for job >>>> EventCountJob(00000000000000000000000000000000). >>>> >>>> at >>>> org.apache.flink.runtime.jobmaster.JobMaster.onStop(JobMaster.java:355) >>>> >>>> at >>>> org.apache.flink.runtime.rpc.akka.AkkaRpcActor$StartedState.terminate(AkkaRpcActor.java:504) >>>> >>>> at >>>> org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleControlMessage(AkkaRpcActor.java:170) >>>> >>>> at >>>> org.apache.flink.runtime.rpc.akka.AkkaRpcActor.onReceive(AkkaRpcActor.java:142) >>>> >>>> at >>>> org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.onReceive(FencedAkkaRpcActor.java:40) >>>> >>>> at >>>> akka.actor.UntypedActor$$anonfun$receive$1.applyOrElse(UntypedActor.scala:165) >>>> >>>> at akka.actor.Actor$class.aroundReceive(Actor.scala:502) >>>> >>>> at akka.actor.UntypedActor.aroundReceive(UntypedActor.scala:95) >>>> >>>> at akka.actor.ActorCell.receiveMessage(ActorCell.scala:526) >>>> >>>> at akka.actor.ActorCell.invoke(ActorCell.scala:495) >>>> >>>> at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257) >>>> >>>> at akka.dispatch.Mailbox.run(Mailbox.scala:224) >>>> >>>> at akka.dispatch.Mailbox.exec(Mailbox.scala:234) >>>> >>>> at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) >>>> >>>> at >>>> scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) >>>> >>>> at >>>> scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) >>>> >>>> at >>>> scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) >>>> >>>> 2019-04-24 01:16:20,895 INFO >>>> org.apache.flink.runtime.taskexecutor.JobLeaderService - Cannot >>>> reconnect to job 00000000000000000000000000000000 because it is not >>>> registered. >>>> >>>> 2019-04-24 01:16:21,053 DEBUG >>>> org.apache.flink.runtime.taskexecutor.TaskExecutor - >>>> Received heartbeat request from e61c2b7d992f151936e21db1ca06666d. >>>> >>>> 2019-04-24 01:16:22,136 DEBUG >>>> org.apache.flink.shaded.zookeeper.org.apache.zookeeper.ClientCnxn - >>>> Got ping response for sessionid: 0x25add5478fb2ec6 after 0ms >>>> >>>> 2019-04-24 01:16:31,052 DEBUG >>>> org.apache.flink.runtime.taskexecutor.TaskExecutor - >>>> Received heartbeat request from e61c2b7d992f151936e21db1ca06666d. >>>> >>>> 2019-04-24 01:16:35,483 DEBUG >>>> org.apache.flink.shaded.zookeeper.org.apache.zookeeper.ClientCnxn - >>>> Got ping response for sessionid: 0x25add5478fb2ec6 after 0ms >>>> >>>> On Tue, Apr 23, 2019 at 3:11 PM Vishal Santoshi < >>>> vishal.santo...@gmail.com> wrote: >>>> >>>>> I see this in the TM pod >>>>> >>>>> 2019-04-23 19:08:41,828 DEBUG >>>>> org.apache.flink.shaded.zookeeper.org.apache.zookeeper.ClientCnxn - >>>>> Got ping response for sessionid: 0x15cc7f3d88466a5 after 0ms >>>>> >>>>> 2019-04-23 19:08:47,543 DEBUG >>>>> org.apache.flink.runtime.taskexecutor.TaskExecutor - >>>>> Received heartbeat request from 6b7dd7b5032c089bff8a77f75de65c22. >>>>> >>>>> 2019-04-23 19:08:55,175 DEBUG >>>>> org.apache.flink.shaded.zookeeper.org.apache.zookeeper.ClientCnxn - >>>>> Got ping response for sessionid: 0x15cc7f3d88466a5 after 1ms >>>>> >>>>> 2019-04-23 19:08:57,548 DEBUG >>>>> org.apache.flink.runtime.taskexecutor.TaskExecutor - >>>>> Received heartbeat request from 6b7dd7b5032c089bff8a77f75de65c22. >>>>> >>>>> 2019-04-23 19:09:07,543 DEBUG >>>>> org.apache.flink.runtime.taskexecutor.TaskExecutor - >>>>> Received heartbeat request from 6b7dd7b5032c089bff8a77f75de65c22. >>>>> >>>>> 2019-04-23 19:09:08,523 DEBUG >>>>> org.apache.flink.shaded.zookeeper.org.apache.zookeeper.ClientCnxn - >>>>> Got ping response for sessionid: 0x15cc7f3d88466a5 after 0ms >>>>> >>>>> 2019-04-23 19:09:17,542 DEBUG >>>>> org.apache.flink.runtime.taskexecutor.TaskExecutor - >>>>> Received heartbeat request from 6b7dd7b5032c089bff8a77f75de65c22. >>>>> >>>>> 2019-04-23 19:09:21,871 DEBUG >>>>> org.apache.flink.shaded.zookeeper.org.apache.zookeeper.ClientCnxn - >>>>> Got ping response for sessionid: 0x15cc7f3d88466a5 after 0ms >>>>> >>>>> 2019-04-23 19:09:27,543 DEBUG >>>>> org.apache.flink.runtime.taskexecutor.TaskExecutor - >>>>> Received heartbeat request from 6b7dd7b5032c089bff8a77f75de65c22. >>>>> >>>>> 2019-04-23 19:09:35,218 DEBUG >>>>> org.apache.flink.shaded.zookeeper.org.apache.zookeeper.ClientCnxn - >>>>> Got ping response for sessionid: 0x15cc7f3d88466a5 after 0ms >>>>> >>>>> 2019-04-23 19:09:37,542 DEBUG >>>>> org.apache.flink.runtime.taskexecutor.TaskExecutor - >>>>> Received heartbeat request from 6b7dd7b5032c089bff8a77f75de65c22. >>>>> >>>>> >>>>> >>>>> JM log has analogous.. >>>>> >>>>> >>>>> 2019-04-23 19:10:49,218 DEBUG >>>>> org.apache.flink.shaded.zookeeper.org.apache.zookeeper.ClientCnxn - >>>>> Got ping response for sessionid: 0x25add5478fb2e7c after 0ms >>>>> >>>>> >>>>> >>>>> Does that ring a bell ? >>>>> >>>>> >>>>> >>>>> On Tue, Apr 23, 2019 at 2:04 PM Vishal Santoshi < >>>>> vishal.santo...@gmail.com> wrote: >>>>> >>>>>> Adding the DEBUG logs from the time I call a REST based cancel with >>>>>> save point... >>>>>> >>>>>> On Tue, Apr 23, 2019 at 2:01 PM Vishal Santoshi < >>>>>> vishal.santo...@gmail.com> wrote: >>>>>> >>>>>>> Though looking at >>>>>>> https://github.com/apache/flink/blob/master/flink-runtime/src/main/java/org/apache/flink/runtime/resourcemanager/StandaloneResourceManager.java#L88 >>>>>>> it >>>>>>> does seem that the last log . is expected. >>>>>>> >>>>>>> Not sure what part is hanging... I have more logs I can share... >>>>>>> >>>>>>> On Tue, Apr 23, 2019 at 1:59 PM Vishal Santoshi < >>>>>>> vishal.santo...@gmail.com> wrote: >>>>>>> >>>>>>>> I am seeing this weird issue where I do a save point with cancel on >>>>>>>> a job on k8s and it hangs for 5 minutes ( no INFO logs ) and then exits >>>>>>>> with code of 2. >>>>>>>> >>>>>>>> >>>>>>>> 2019-04-23 17:36:31,372 INFO >>>>>>>> org.apache.flink.runtime.jobmaster.MiniDispatcherRestEndpoint - >>>>>>>> Shutting down rest endpoint. >>>>>>>> >>>>>>>> 2019-04-23 17:36:31,374 INFO >>>>>>>> org.apache.flink.runtime.leaderretrieval.ZooKeeperLeaderRetrievalService >>>>>>>> - Stopping ZooKeeperLeaderRetrievalService >>>>>>>> /leader/resource_manager_lock. >>>>>>>> >>>>>>>> 2019-04-23 17:36:31,377 INFO >>>>>>>> org.apache.flink.runtime.jobmaster.slotpool.SlotPoolImpl - >>>>>>>> Suspending SlotPool. >>>>>>>> >>>>>>>> 2019-04-23 17:36:31,378 DEBUG >>>>>>>> org.apache.flink.runtime.jobmaster.JobMaster - >>>>>>>> Close ResourceManager connection 181a4fd61044033a2ea32e384096247f. >>>>>>>> >>>>>>>> org.apache.flink.util.FlinkException: JobManager is shutting down. >>>>>>>> >>>>>>>> at >>>>>>>> org.apache.flink.runtime.jobmaster.JobMaster.onStop(JobMaster.java:365) >>>>>>>> >>>>>>>> at >>>>>>>> org.apache.flink.runtime.rpc.akka.AkkaRpcActor$StartedState.terminate(AkkaRpcActor.java:504) >>>>>>>> >>>>>>>> at >>>>>>>> org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleControlMessage(AkkaRpcActor.java:170) >>>>>>>> >>>>>>>> at >>>>>>>> org.apache.flink.runtime.rpc.akka.AkkaRpcActor.onReceive(AkkaRpcActor.java:142) >>>>>>>> >>>>>>>> at >>>>>>>> org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.onReceive(FencedAkkaRpcActor.java:40) >>>>>>>> >>>>>>>> at >>>>>>>> akka.actor.UntypedActor$$anonfun$receive$1.applyOrElse(UntypedActor.scala:165) >>>>>>>> >>>>>>>> at akka.actor.Actor$class.aroundReceive(Actor.scala:502) >>>>>>>> >>>>>>>> at akka.actor.UntypedActor.aroundReceive(UntypedActor.scala:95) >>>>>>>> >>>>>>>> at akka.actor.ActorCell.receiveMessage(ActorCell.scala:526) >>>>>>>> >>>>>>>> at akka.actor.ActorCell.invoke(ActorCell.scala:495) >>>>>>>> >>>>>>>> at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257) >>>>>>>> >>>>>>>> at akka.dispatch.Mailbox.run(Mailbox.scala:224) >>>>>>>> >>>>>>>> at akka.dispatch.Mailbox.exec(Mailbox.scala:234) >>>>>>>> >>>>>>>> at >>>>>>>> scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) >>>>>>>> >>>>>>>> at >>>>>>>> scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) >>>>>>>> >>>>>>>> at >>>>>>>> scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) >>>>>>>> >>>>>>>> at >>>>>>>> scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) >>>>>>>> >>>>>>>> 2019-04-23 17:36:31,381 INFO >>>>>>>> org.apache.flink.runtime.jobmaster.slotpool.SlotPoolImpl - >>>>>>>> Stopping SlotPool. >>>>>>>> >>>>>>>> 2019-04-23 17:36:31,381 INFO >>>>>>>> org.apache.flink.runtime.resourcemanager.StandaloneResourceManager >>>>>>>> - Disconnect job manager a41a5dceae5ad3664ff1f0b79f3e47ef >>>>>>>> @akka.tcp://flink@kafka-to-prometheus:6123/user/jobmanager_0 for >>>>>>>> job 00000000000000000000000000000000 from the resource manager. >>>>>>>> >>>>>>>> 2019-04-23 17:36:31,385 INFO >>>>>>>> org.apache.flink.runtime.leaderelection.ZooKeeperLeaderElectionService >>>>>>>> - Stopping ZooKeeperLeaderElectionService >>>>>>>> ZooKeeperLeaderElectionService{leaderPath='/leader/00000000000000000000000000000000/job_manager_lock'}. >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> and after 5 minutes .. >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> 019-04-23 17:41:32,187 DEBUG >>>>>>>> org.apache.flink.shaded.netty4.io.netty.buffer.PoolThreadCache - >>>>>>>> Freed 8 thread-local buffer(s) from thread: Finalizer >>>>>>>> >>>>>>>> 2019-04-23 17:41:32,198 INFO >>>>>>>> org.apache.flink.runtime.rpc.akka.AkkaRpcService - >>>>>>>> Stopped Akka RPC service. >>>>>>>> >>>>>>>> 2019-04-23 17:41:32,200 INFO >>>>>>>> org.apache.flink.runtime.entrypoint.ClusterEntrypoint >>>>>>>> - Terminating cluster entrypoint process >>>>>>>> StandaloneJobClusterEntryPoint with exit code 2. >>>>>>>> >>>>>>>> java.util.concurrent.TimeoutException >>>>>>>> >>>>>>>> at >>>>>>>> org.apache.flink.runtime.concurrent.FutureUtils$Timeout.run(FutureUtils.java:942) >>>>>>>> >>>>>>>> at >>>>>>>> org.apache.flink.runtime.concurrent.DirectExecutorService.execute(DirectExecutorService.java:211) >>>>>>>> >>>>>>>> at >>>>>>>> org.apache.flink.runtime.concurrent.FutureUtils.lambda$orTimeout$11(FutureUtils.java:360) >>>>>>>> >>>>>>>> at >>>>>>>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> In the interim, I get this at a regular clip >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> 2019-04-23 17:37:02,452 DEBUG >>>>>>>> org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - >>>>>>>> Release TaskExecutor 3752235c49428b94a0520f04266973eb because it >>>>>>>> exceeded >>>>>>>> the idle timeout. >>>>>>>> >>>>>>>> 2019-04-23 17:37:02,453 DEBUG >>>>>>>> org.apache.flink.runtime.resourcemanager.StandaloneResourceManager >>>>>>>> - Worker 68c5fbd67ac2bbe6fc35ed068ce1c4b1 could not be stopped. >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> Any ideas as to whether it is this inability to shut down the >>>>>>>> Worker that is causing this issue ? >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> Regards. >>>>>>>> >>>>>>>
