Can I have find help ? On Wednesday, March 9, 2016, sam mohel <[email protected]> wrote:
> I'm sorry I sent last message from another email > > On Wednesday, March 9, 2016, researcher cs <[email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');>> wrote: > >> thanks for replying , really i'm apperciate your help , so cpu usage is >> important to measure performance ? >> i need to know how can i use all numbers in storm ui to evaluate topology >> means like this >> >> Topology A >> >> >> >> Topology B >> >> i see execute latency , capcaity and process latency >> from these numbers how can i detect performance >> high is better or what ? >> Thanks for your time >> >> >> On Wed, Mar 9, 2016 at 6:51 AM, Cody Innowhere <[email protected]> >> wrote: >> >>> @sam, >>> CPU usage is very close to your application logic, i.e., it depends on >>> whether your topology is CPU-intensive or not. >>> It may be also related to the throughput of your topologies. So it's >>> really >>> hard to tell if a certain cpu usage like .5 is good or bad. >>> >>> In your case of comparing two topologies, let's say topology A and B, I >>> can >>> give some rough hints: >>> 1. If A's CPU usage is higher than B with higher throughput, I'd say >>> possibly it's worth higher CPU usage to gain extra throughput; >>> 2. If A's throughput and B's throughput are almost the same, I'd prefer >>> the >>> topology which has lower CPU usage. >>> >>> Hope this helps. >>> >>> On Wed, Mar 9, 2016 at 12:28 PM, sam mohel <[email protected]> wrote: >>> >>> > What is the importance of CPU utilization after submitted topology as I >>> > need to compare between two topologies which is better in performance >>> > >>> > And numbers which close to .5 is better or not ? >>> > How can I know ? >>> > Thanks >>> > >>> >> >>
