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https://issues.apache.org/jira/browse/OOZIE-2073?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14225248#comment-14225248
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Rohini Palaniswamy commented on OOZIE-2073:
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Issue was with non-heap space. 3.5G Heap and 512MB non-heap is good for 99% of
the jobs. Also with jdk8 more heap memory is used than native memory. I think
we should leave it at what is there now and make folks configure lesser memory
if a job fails.
> Make max limit of memory setting in uber mode configurable
> ----------------------------------------------------------
>
> Key: OOZIE-2073
> URL: https://issues.apache.org/jira/browse/OOZIE-2073
> Project: Oozie
> Issue Type: Bug
> Reporter: Ryota Egashira
>
> in uber mode, we apply heap size limit of 3584m for 32 bit case, which is
> hardcoded. but OOM happened in some use case. we can make it configurable
> and reduce default value to 3328m (3.25G) based on hadoop folk's suggestion.
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