Gyula Fora created FLINK-6762:
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Summary: Cannot rescale externalized incremental checkpoints
Key: FLINK-6762
URL: https://issues.apache.org/jira/browse/FLINK-6762
Project: Flink
Issue Type: Bug
Components: State Backends, Checkpointing
Affects Versions: 1.3.0
Reporter: Gyula Fora
Priority: Critical
When a job is rescaled from an externalized incremental checkpoint, the
subsequent checkpoints fail with the following error:
org.apache.flink.runtime.checkpoint.CheckpointException: Could not finalize the
pending checkpoint 3205.
at
org.apache.flink.runtime.checkpoint.CheckpointCoordinator.completePendingCheckpoint(CheckpointCoordinator.java:861)
at
org.apache.flink.runtime.checkpoint.CheckpointCoordinator.receiveAcknowledgeMessage(CheckpointCoordinator.java:776)
at
org.apache.flink.runtime.jobmanager.JobManager$$anonfun$org$apache$flink$runtime$jobmanager$JobManager$$handleCheckpointMessage$1.apply$mcV$sp(JobManager.scala:1462)
at
org.apache.flink.runtime.jobmanager.JobManager$$anonfun$org$apache$flink$runtime$jobmanager$JobManager$$handleCheckpointMessage$1.apply(JobManager.scala:1461)
at
org.apache.flink.runtime.jobmanager.JobManager$$anonfun$org$apache$flink$runtime$jobmanager$JobManager$$handleCheckpointMessage$1.apply(JobManager.scala:1461)
at
scala.concurrent.impl.Future$PromiseCompletingRunnable.liftedTree1$1(Future.scala:24)
at
scala.concurrent.impl.Future$PromiseCompletingRunnable.run(Future.scala:24)
at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:40)
at
akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:397)
at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
at
scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
at
scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
at
scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
Caused by: java.io.IOException: Unknown implementation of StreamStateHandle:
class org.apache.flink.runtime.state.PlaceholderStreamStateHandle
at
org.apache.flink.runtime.checkpoint.savepoint.SavepointV2Serializer.serializeStreamStateHandle(SavepointV2Serializer.java:484)
at
org.apache.flink.runtime.checkpoint.savepoint.SavepointV2Serializer.serializeStreamStateHandleMap(SavepointV2Serializer.java:342)
at
org.apache.flink.runtime.checkpoint.savepoint.SavepointV2Serializer.serializeKeyedStateHandle(SavepointV2Serializer.java:329)
at
org.apache.flink.runtime.checkpoint.savepoint.SavepointV2Serializer.serializeSubtaskState(SavepointV2Serializer.java:270)
at
org.apache.flink.runtime.checkpoint.savepoint.SavepointV2Serializer.serialize(SavepointV2Serializer.java:122)
at
org.apache.flink.runtime.checkpoint.savepoint.SavepointV2Serializer.serialize(SavepointV2Serializer.java:66)
at
org.apache.flink.runtime.checkpoint.savepoint.SavepointStore.storeSavepointToHandle(SavepointStore.java:199)
at
org.apache.flink.runtime.checkpoint.savepoint.SavepointStore.storeExternalizedCheckpointToHandle(SavepointStore.java:164)
at
org.apache.flink.runtime.checkpoint.PendingCheckpoint.finalizeCheckpointExternalized(PendingCheckpoint.java:286)
at
org.apache.flink.runtime.checkpoint.CheckpointCoordinator.completePendingCheckpoint(CheckpointCoordinator.java:851)
Full log:
https://gist.github.com/gyfora/693b9a720aace843ff4570e504c4a242
Rescaling with savepoints work.
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