[jira] [Created] (KUDU-3790) HdrHistogramAccumulator.isZero() NPE on Spark's heartbeater thread

[Chovan Zoltan (Jira)]

Chovan Zoltan created KUDU-3790:
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             Summary: HdrHistogramAccumulator.isZero() NPE on Spark's 
heartbeater thread
                 Key: KUDU-3790
                 URL: https://issues.apache.org/jira/browse/KUDU-3790
             Project: Kudu
          Issue Type: Bug
            Reporter: Chovan Zoltan
            Assignee: Chovan Zoltan


Issue:

HdrHistogramAccumulator.isZero() can NPE on Spark's heartbeater thread, killing 
the executor.

Impact:

Crashes executors in production. No KuduWriteOptions/config disables this 
accumulator, 
so a code fix is required.

 



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