varnish 3 - thread_pools

[Stephen Wood]

Are there any exceptions to the "2 is best" rule for this? I'm asking out
of curiosity. It seems strange to me that Varnish would even provide the
option to change it if any other value is detrimental to performance.


On Thu, May 2, 2013 at 2:02 PM, Per Buer <perbu at varnish-software.com> wrote:

> That is correct. We haven't been able to see any increase in performance
> when the number of pools is increased above 2.
>
>
> On Thu, May 2, 2013 at 4:31 PM, Rangel, Raul <Raul.Rangel at disney.com>wrote:
>
>> I think someone recently commented that 2 thread pools is the ideal
>> value. Anymore and you don’t see a performance increase.****
>>
>> ** **
>>
>> Raul****
>>
>> ** **
>>
>> *From:* varnish-misc-bounces at varnish-cache.org [mailto:
>> varnish-misc-bounces at varnish-cache.org] *On Behalf Of *lnsano at bol.com.br
>> *Sent:* Wednesday, March 06, 2013 2:23 PM
>> *To:* varnish-misc at varnish-cache.org
>> *Subject:* varnish 3 - thread_pools****
>>
>> ** **
>>
>> Hi,****
>>
>>  ****
>>
>> By the book, the thread_pools should be 2. However the server is
>> multi-processed(8 cpus) and can handle more thread_pools.****
>>
>> This server handles more than 5000 requests/sec. ****
>>
>>  ****
>>
>> Is it a good ideia increasing the thread_pools to 8 and decreasing the
>> thread_pool_max?****
>>
>>  ****
>>
>> regards,****
>>
>>  ****
>>
>> Leandro Sano****
>>
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>>
>
>
>
> --
>  <http://www.varnish-software.com/> *Per Buer*
> CEO | Varnish Software AS
> Phone: +47 958 39 117 | Skype: per.buer
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