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https://issues.apache.org/jira/browse/FLINK-1950?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14514215#comment-14514215
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Stephan Ewen commented on FLINK-1950:
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20% and 30% are both rather random magic numbers. Is there a better way to do
this?
> 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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