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From "Gyula Fora (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (FLINK-6762) Cannot rescale externalized incremental checkpoints
Date Tue, 09 Apr 2019 08:57:00 GMT

     [ https://issues.apache.org/jira/browse/FLINK-6762?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gyula Fora closed FLINK-6762.
-----------------------------
    Resolution: Won't Fix

> Cannot rescale externalized incremental checkpoints
> ---------------------------------------------------
>
>                 Key: FLINK-6762
>                 URL: https://issues.apache.org/jira/browse/FLINK-6762
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / 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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