[jira] [Created] (FLINK-14735) Improve batch schedule performance

["Jingsong Lee (Jira)" <ji...@apache.org>]

Jingsong Lee created FLINK-14735:
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             Summary: Improve batch schedule performance
                 Key: FLINK-14735
                 URL: https://issues.apache.org/jira/browse/FLINK-14735
             Project: Flink
          Issue Type: Sub-task
          Components: Runtime / Task
            Reporter: Jingsong Lee
             Fix For: 1.10.0


Now if we launch batch job with 1000+ parallelism:

Even if we set the akka timeout of 2 minutes, the heartbeat is likely to timeout.

 JobMaster is buzy:
{code:java}
java.lang.Thread.State: RUNNABLE
        at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
        at java.util.Spliterators$ArraySpliterator.tryAdvance(Spliterators.java:958)
        at java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:126)
        at java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:498)
        at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:485)
        at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
        at java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230)
        at java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196)
        at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
        at java.util.stream.ReferencePipeline.anyMatch(ReferencePipeline.java:449)
        at org.apache.flink.runtime.executiongraph.ExecutionVertex.isInputConsumable(ExecutionVertex.java:824)
        at org.apache.flink.runtime.executiongraph.ExecutionVertex$$Lambda$257/564237119.test(Unknown Source)
        at java.util.stream.MatchOps$2MatchSink.accept(MatchOps.java:119)
        at java.util.stream.Streams$RangeIntSpliterator.tryAdvance(Streams.java:89)
        at java.util.stream.IntPipeline.forEachWithCancel(IntPipeline.java:162)
        at java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:498)
        at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:485)
        at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
        at java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230)
        at java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196)
        at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
        at java.util.stream.IntPipeline.allMatch(IntPipeline.java:482)
        at org.apache.flink.runtime.executiongraph.ExecutionVertex.checkInputDependencyConstraints(ExecutionVertex.java:811)
        at org.apache.flink.runtime.executiongraph.Execution.scheduleOrUpdateConsumers(Execution.java:889)
        at org.apache.flink.runtime.executiongraph.Execution.markFinished(Execution.java:1074)
        at org.apache.flink.runtime.executiongraph.ExecutionGraph.updateStateInternal(ExecutionGraph.java:1597)
        at org.apache.flink.runtime.executiongraph.ExecutionGraph.updateState(ExecutionGraph.java:1570)
        at org.apache.flink.runtime.scheduler.SchedulerBase.updateTaskExecutionState(SchedulerBase.java:424)
        at org.apache.flink.runtime.jobmaster.JobMaster.updateTaskExecutionState(JobMaster.java:380)
{code}



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