httpd-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Abby Normal <brutalgei...@gmail.com>
Subject [users@httpd] Re: mpm-event, ServerLimit and ThreadsPerChild on multicore systems
Date Fri, 20 Nov 2015 15:53:36 GMT
No one for this simple question? :)

Regards,
Abby

 >On 18.11.2015 21:45, Abby Normal wrote:
> Hello people,
>
> I hope someone can help me with this simple question. I searched the net
> but could not find a proper answer.
>
> Default event configuration is this:
>
> MaxRequestWorkers 400 =ThreadsPerChild x ServerLimit
> ServerLimit 16
> ThreadsPerChild 25
> ThreadLimit 64
>
>
> So ie. I have a dedicated server with single cpu with 4 cores with
> hyperthreading and 32GB of ram. What is the best way to raise
> MaxRequestWorkers to 800? Should I go with raising ServerLimit to 32 so
> I can have 800 MaxRequestWorkers or should I rather raise
> ThreadsPerChild to 50?
>
> I ask this simple question because I could not find the relation to cpu
> cores and threads of CPU. If ServerLimit is for child processes than I
> do not see the point raising it above 8 because I have one cpu with 4
> cores with hyperthreading... Is this related? If it is related than the
> final settup would be:
>
> ServerLimit 8
> ThreadsPerChild 100
> ThreadLimit 101
> MaxRequestWorkers 800
>
> Can someone confirm or give an advice?
>
> Thank you!


---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscribe@httpd.apache.org
For additional commands, e-mail: users-help@httpd.apache.org


Mime
View raw message