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MapReduce >> mail # user >> good way to measure and confirm.

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Re: good way to measure and confirm.
Hi Patai,

You might think about installing Ganglia. That will give you all the
details of the CPU usage. user vs io vs idle, etc.


2013/3/7 Patai Sangbutsarakum <[EMAIL PROTECTED]>:
> Good morning Hadoopers!
> I am finding the way to prove that our cluster has cpu bound but not
> io bound. Diamond + Graphite is in place and been collected for
> months.
> I believe the CPU i could do %user, but how about the IO ? what would
> be the metric that can represent the IO utilization and prove that we
> are hit CPU bound rather than IO bound.
> I know this is easy question for most of you guys.. i am just want to
> learn from the best..
> Thanks you + Regards,
> Patai