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Re: Squid CPU usage in cachemgr.cgi

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Thanks for that. But do you know the CPU usage shown in the cache manager is 24% of the total 4 CPU cores? If it says 100% does that mean that all 4 cores are fully utilized?


On Tue, Sep 6, 2016 at 4:05 PM, Yuri <yvoinov@xxxxxxxxx> wrote:

http://wiki.squid-cache.org/KnowledgeBase/PerformanceAnalysis

http://wiki.squid-cache.org/SquidFaq/SquidProfiling


06.09.2016 16:01, Faheem пишет:
Hello,

I am trying to setup proper monitoring for our squid farm so that we will be alerted when there is a performance issue. I was looking at several statistics of squid available in cachemgr.cgi and see the below. I am a bit confused about the CPU usage stats shown in the cachemanager. If I go to 5 Minute Average of Counters in cachemanager it says "cpu_usage = 24.008036%"

What does this actually mean? Is this inclusive of all 4 cores in my server? We have CPU affinity set for squid process and it uses all 4 available cores. So does 100% mean that all 4 cores are fully being utilized? Which parameter would be the best one to look at to understand the real CPU usage.


Thanks,
meeh.


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