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Hadoop >> mail # user >> yarn.nodemanager.vmem-check-enabled

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Re: yarn.nodemanager.vmem-check-enabled
Hi John,

At Cloudera we turn it off by default and recommend doing so because of the
way that Java can behave weirdly with high vmems.

On Sun, Oct 20, 2013 at 7:34 AM, John Lilley <[EMAIL PROTECTED]>wrote:

>  Is this option typically enabled in practice?  Is there a way for a
> specific AM to disable it, or is it site-wide?****
> We are finding that our YARN application, because it launches many
> threads, each with a somewhat large stack, has a large vmem/pmem ratio
> (say, 2GB / 200MB).  Unless we disable this option, the NM tends to kill
> our tasks.****
> Thanks****
> John****
> ** **