[squid-users] Why Squid on CentOS is faster than Debian ?

David Touzeau david at articatech.com
Sat Mar 30 14:41:16 UTC 2019


On 30.03.19 10:22, David Touzeau wrote:

>> Did you have perform squid stress on Debian against CentOS ?
>>
>> I have installed:
>>
>> * Debian 9 net install + Squid compiled
>> * CentOS 7 minimalĀ  + Squid compiled
>>
>> Same version, same compilation parameters, same Squid settings.
>
>> It seems that Squid on CentOS is 10 times faster than squid on Debian
>
> faster in what? Response time? number of parallel connections?
> single or multiple connection data transfers?
> HTTP or HTTPS?
>
>> What are kernel differences that made this huge performance changes?
>
> no kernel differences should cause 10x speed difference.
>
>
Faster in what? Response time?

1. response time, MISS and HIT are faster

Example:

on Centos MEM_HIT are aboutĀ  0-1 msec against Debian about 3-4 msec

Number of parallel connections? single or multiple connection data 
transfers?

2. multiple

HTTP or HTTPS?

3. HTTP



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