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.
-Sandy
On Sun, Oct 20, 2013 at 7:34 AM, John Lilley wrote:
> Is this option typically enabled in practice? Is there a way for a
> specific AM to disable it,
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
