Thanks Bastien. Can you point to an example of using a sink as we are planning to write to S3?
Thanks again for your help. Antonio. On Thu, Feb 10, 2022 at 11:49 AM bastien dine <bastien.d...@gmail.com> wrote: > Hello Antonio, > > .collect() method should be use with caution as it's collecting the > DataSet (multiple partitions on multiple TM) into a List single list on JM > (so in memory) > Unless you have a lot of RAM, you can not use it this way and you probably > should not > I recommend you to use a sink to print it into a formatted file instead > (like CSV one) or if it's too big, into something splittable > > Regards, > Bastien > > ------------------ > > Bastien DINE > Data Architect / Software Engineer / Sysadmin > bastiendine.io > > > Le jeu. 10 févr. 2022 à 20:32, Antonio Si <antonio...@gmail.com> a écrit : > >> Hi, >> >> I am using the stateful processing api to read the states from a >> savepoint file. >> It works fine when the state size is small, but when the state size is >> larger, around 11GB, I am getting an OOM. I think it happens when it is >> doing a dataSource.collect() to obtain the states. The stackTrace is copied >> at the end of the message. >> >> Any suggestions or hints would be very helpful. >> >> Thanks in advance. >> >> Antonio. >> >> java.lang.OutOfMemoryError: null >> at >> java.io.ByteArrayOutputStream.hugeCapacity(ByteArrayOutputStream.java:123) >> ~[?:1.8.0_282] >> at >> java.io.ByteArrayOutputStream.grow(ByteArrayOutputStream.java:117) >> ~[?:1.8.0_282] >> at >> java.io.ByteArrayOutputStream.ensureCapacity(ByteArrayOutputStream.java:93) >> ~[?:1.8.0_282] >> at >> java.io.ByteArrayOutputStream.write(ByteArrayOutputStream.java:153) >> ~[?:1.8.0_282] >> at >> java.io.ObjectOutputStream$BlockDataOutputStream.drain(ObjectOutputStream.java:1877) >> ~[?:1.8.0_282] >> at >> java.io.ObjectOutputStream$BlockDataOutputStream.setBlockDataMode(ObjectOutputStream.java:1786) >> ~[?:1.8.0_282] >> at >> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1189) >> ~[?:1.8.0_282] >> at >> java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348) >> ~[?:1.8.0_282] >> at >> org.apache.flink.util.InstantiationUtil.serializeObject(InstantiationUtil.java:624) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at >> org.apache.flink.util.SerializedValue.<init>(SerializedValue.java:62) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at >> org.apache.flink.runtime.executiongraph.ExecutionGraph.serializeAccumulator(ExecutionGraph.java:806) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at >> org.apache.flink.runtime.executiongraph.ExecutionGraph.lambda$getAccumulatorsSerialized$0(ExecutionGraph.java:795) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at >> java.util.stream.Collectors.lambda$toMap$58(Collectors.java:1321) >> ~[?:1.8.0_282] >> at >> java.util.stream.ReduceOps$3ReducingSink.accept(ReduceOps.java:169) >> ~[?:1.8.0_282] >> at >> java.util.HashMap$EntrySpliterator.forEachRemaining(HashMap.java:1699) >> ~[?:1.8.0_282] >> at >> java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482) >> ~[?:1.8.0_282] >> at >> java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472) >> ~[?:1.8.0_282] >> at >> java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) >> ~[?:1.8.0_282] >> at >> java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) >> ~[?:1.8.0_282] >> at >> java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:566) >> ~[?:1.8.0_282] >> at >> org.apache.flink.runtime.executiongraph.ExecutionGraph.getAccumulatorsSerialized(ExecutionGraph.java:792) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at >> org.apache.flink.runtime.executiongraph.ArchivedExecutionGraph.createFrom(ArchivedExecutionGraph.java:325) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at >> org.apache.flink.runtime.scheduler.SchedulerBase.requestJob(SchedulerBase.java:810) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at >> org.apache.flink.runtime.jobmaster.JobMaster.jobStatusChanged(JobMaster.java:1085) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at >> org.apache.flink.runtime.jobmaster.JobMaster.access$2200(JobMaster.java:131) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at >> org.apache.flink.runtime.jobmaster.JobMaster$JobManagerJobStatusListener.lambda$jobStatusChanges$0(JobMaster.java:1356) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at >> org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRunAsync(AkkaRpcActor.java:440) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at >> org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcMessage(AkkaRpcActor.java:208) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at >> org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.handleRpcMessage(FencedAkkaRpcActor.java:77) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at >> org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleMessage(AkkaRpcActor.java:158) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:26) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:21) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at >> scala.PartialFunction$class.applyOrElse(PartialFunction.scala:123) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at >> akka.japi.pf.UnitCaseStatement.applyOrElse(CaseStatements.scala:21) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at >> scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:170) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at >> scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at >> scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at akka.actor.Actor$class.aroundReceive(Actor.scala:517) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at >> akka.actor.AbstractActor.aroundReceive(AbstractActor.scala:225) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at akka.actor.ActorCell.receiveMessage(ActorCell.scala:592) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at akka.actor.ActorCell.invoke(ActorCell.scala:561) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:258) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at akka.dispatch.Mailbox.run(Mailbox.scala:225) >> ~[flink-dist_2.11-1.12.2.jar:1.12.2] >> at akka.dispatch.Mailbox.exec(Mailbox.scala:235) >> [flink-dist_2.11-1.12.2.jar:1.12.2] >> at >> akka.dispatch.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) >> [flink-dist_2.11-1.12.2.jar:1.12.2] >> at >> akka.dispatch.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) >> [flink-dist_2.11-1.12.2.jar:1.12.2] >> at >> akka.dispatch.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) >> [flink-dist_2.11-1.12.2.jar:1.12.2] >> at >> akka.dispatch.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) >> [flink-dist_2.11-1.12.2.jar:1.12.2] >> >
