This is a non-sense ; you have to tell us under which conditions you want to find a bottleneck.
Regardless the workload, we mostly use OpenTSDB to check cpu times (iowait / user / sys / idle), disk usage (await, ios in progress...) and memory (numa allocations, buffers, cache, dirty pages...) On 2 March 2015 at 08:20, Krish Donald <[email protected]> wrote: > Basically we have 4 points to consider, CPU , Memory, IO and Network > > So how to see which one is causing the bottleneck ? > What parameters we should consider etc ? > > On Sun, Mar 1, 2015 at 10:57 PM, Nishanth S <[email protected]> > wrote: > >> This is a vast topic.Can you tell what components are there in your >> data pipe line and how data flows in to system and the way its >> processed.There are several inbuilt tests like testDFSIO and terasort that >> you can run. >> >> -Nishan >> >> On Sun, Mar 1, 2015 at 9:45 PM, Krish Donald <[email protected]> >> wrote: >> >>> Hi, >>> >>> I wanted to understand, how should we find out the bottleneck of the >>> cluster? >>> >>> Thanks >>> Krish >>> >> >> > -- *Adrien Mogenet* Head of Backend/Infrastructure [email protected] (+33)6.59.16.64.22 http://www.contentsquare.com 4, avenue Franklin D. Roosevelt - 75008 Paris
