I think benchmark will do some help, since it can help to find out the executing speed of I/O rated job and CPU rated job
2015-03-02 19:01 GMT+08:00 Adrien Mogenet <[email protected]> : > 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 >
