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https://issues.apache.org/jira/browse/BEAM-7144?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Maximilian Michels reassigned BEAM-7144:
----------------------------------------
Assignee: Maximilian Michels
> Job re-scale fails on Flink 1.7
> -------------------------------
>
> Key: BEAM-7144
> URL: https://issues.apache.org/jira/browse/BEAM-7144
> Project: Beam
> Issue Type: Bug
> Components: runner-flink
> Affects Versions: 2.11.0
> Reporter: Jozef Vilcek
> Assignee: Maximilian Michels
> Priority: Major
> Fix For: 2.13.0
>
>
> I am unable to rescale job after moving it to flink runner 1.7. What I am
> doing is:
> # Recompile job code just with swapped flink runner version 1.5 -> 1.7
> # Run streaming job with parallelism 112 and maxParallelism 448
> # Wait until checkpoint is taken
> # Stop job
> # Run job again with parallelims 224 and checpooint path to restore from
> # Job fails
> The same happens if I try to increase parallelims. This procedure works for
> the same job compiled with flink runner 1.5 and run on 1.5.0. Fails with
> runner 1.7 on flink 1.7.2
> Exception is:
> {noformat}
> java.lang.Exception: Exception while creating StreamOperatorStateContext.
> at
> org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.streamOperatorStateContext(StreamTaskStateInitializerImpl.java:195)
> at
> org.apache.flink.streaming.api.operators.AbstractStreamOperator.initializeState(AbstractStreamOperator.java:250)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.initializeState(StreamTask.java:738)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:289)
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:704)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: org.apache.flink.util.FlinkException: Could not restore keyed
> state backend for
> WindowDoFnOperator_2b6af61dc418f10e82551367a7e7f78e_(83/224) from any of the
> 1 provided restore options.
> at
> org.apache.flink.streaming.api.operators.BackendRestorerProcedure.createAndRestore(BackendRestorerProcedure.java:137)
> at
> org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.keyedStatedBackend(StreamTaskStateInitializerImpl.java:284)
> at
> org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.streamOperatorStateContext(StreamTaskStateInitializerImpl.java:135)
> ... 5 more
> Caused by: java.lang.IndexOutOfBoundsException: Index: 101, Size: 0
> at java.util.ArrayList.rangeCheck(ArrayList.java:653)
> at java.util.ArrayList.get(ArrayList.java:429)
> at
> com.esotericsoftware.kryo.util.MapReferenceResolver.getReadObject(MapReferenceResolver.java:42)
> at com.esotericsoftware.kryo.Kryo.readReferenceOrNull(Kryo.java:805)
> at com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:759)
> at
> org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.deserialize(KryoSerializer.java:315)
> at
> org.apache.flink.runtime.state.heap.StateTableByKeyGroupReaders.lambda$createV2PlusReader$0(StateTableByKeyGroupReaders.java:73)
> at
> org.apache.flink.runtime.state.KeyGroupPartitioner$PartitioningResultKeyGroupReader.readMappingsInKeyGroup(KeyGroupPartitioner.java:297)
> at
> org.apache.flink.runtime.state.heap.HeapKeyedStateBackend.readKeyGroupStateData(HeapKeyedStateBackend.java:492)
> at
> org.apache.flink.runtime.state.heap.HeapKeyedStateBackend.readStateHandleStateData(HeapKeyedStateBackend.java:453)
> at
> org.apache.flink.runtime.state.heap.HeapKeyedStateBackend.restorePartitionedState(HeapKeyedStateBackend.java:410)
> at
> org.apache.flink.runtime.state.heap.HeapKeyedStateBackend.restore(HeapKeyedStateBackend.java:358)
> at
> org.apache.flink.runtime.state.heap.HeapKeyedStateBackend.restore(HeapKeyedStateBackend.java:104)
> at
> org.apache.flink.streaming.api.operators.BackendRestorerProcedure.attemptCreateAndRestore(BackendRestorerProcedure.java:151)
> at
> org.apache.flink.streaming.api.operators.BackendRestorerProcedure.createAndRestore(BackendRestorerProcedure.java:123)
> ... 7 more{noformat}
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