[jira] [Created] (FLINK-1950) Increase default heap cutoff ratio from 20% to 30% and move default value to ConfigConstants

[Shang Yuanchun (Jira)]

Robert Metzger created FLINK-1950:
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             Summary: Increase default heap cutoff ratio from 20% to 30% and move default value to ConfigConstants
                 Key: FLINK-1950
                 URL: https://issues.apache.org/jira/browse/FLINK-1950
             Project: Flink
          Issue Type: Task
          Components: YARN Client
    Affects Versions: 0.9
            Reporter: Robert Metzger
            Priority: Blocker


It seems that too many production users are facing issues with YARN killing containers due to resource overusage.

We can mitigate the issue by using only 70% of the specified memory for the heap.



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