[squid-users] Squid CPU usage in cachemgr.cgi

[Yuri]

How I know something. In the light of dozens of different operating 
systems. Check the source code, they are also open. Even the top is not 
too reliably shows the load across multiple cores. By the way, SQUID, 
except in very specific configurations, running on a single core.


06.09.2016 18:04, Faheem пишет:
> 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 at gmail.com 
> <mailto:yvoinov at gmail.com>> wrote:
>
>     http://wiki.squid-cache.org/KnowledgeBase/PerformanceAnalysis
>     <http://wiki.squid-cache.org/KnowledgeBase/PerformanceAnalysis>
>
>     http://wiki.squid-cache.org/SquidFaq/SquidProfiling
>     <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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