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Re: good way to measure and confirm.Jean-Marc Spaggiari 2013-03-07, 19:22
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. JM 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 |