# How many worker\_process do you like? **URL:** \ **Category:** NGINX\ **Created:** [March 19, 2010, 3:43am UTC](https://www.ruby-forum.com/t/how-many-worker-process-do-you-like/185385 "2010-03-19T03:43:25Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![casper\_the\_ghost](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/58956e/32.png) [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\ **Post date:** [March 19, 2010, 3:43am UTC](https://www.ruby-forum.com/t/how-many-worker-process-do-you-like/185385/1 "2010-03-19T03:43:25Z")
The number of worker\_process seems to be relative with amount of CPUs? – Ren Xiaolei ---
**Author:** ![casper\_the\_ghost](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/58956e/32.png) [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\ **Post date:** [March 19, 2010, 7:58am UTC](https://www.ruby-forum.com/t/how-many-worker-process-do-you-like/185385/2 "2010-03-19T07:58:37Z")
On Fri, Mar 19, 2010 at 10:42 AM, 任晓磊 [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote: > The number of worker\_process seems to be relative with amount of CPUs? True 🙂 Cheers, -agentzh ---
**Author:** ![casper\_the\_ghost](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/58956e/32.png) [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\ **Post date:** [March 19, 2010, 8:06am UTC](https://www.ruby-forum.com/t/how-many-worker-process-do-you-like/185385/3 "2010-03-19T08:06:14Z")
How many worker\_process per CPU core do you like? On Fri, Mar 19, 2010 at 2:58 PM, agentzh [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote: > True 🙂 – Ren Xiaolei ---
**Author:** ![casper\_the\_ghost](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/58956e/32.png) [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\ **Post date:** [March 19, 2010, 8:10am UTC](https://www.ruby-forum.com/t/how-many-worker-process-do-you-like/185385/4 "2010-03-19T08:10:55Z")
On Fri, Mar 19, 2010 at 3:06 PM, 任晓磊 [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote: > How many worker\_process per CPU core do you like? One 🙂 I can get my core running 100% with a single nginx worker process that itself is hitting my mysql database via ngx\_drizzle 😉 Cheers, -agentzh ---
**Author:** ![casper\_the\_ghost](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/58956e/32.png) [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\ **Post date:** [March 19, 2010, 8:13am UTC](https://www.ruby-forum.com/t/how-many-worker-process-do-you-like/185385/5 "2010-03-19T08:13:15Z")
Should I increase buffer size to achieve block-free? Else, one processor per CPU core might be not enough. On Fri, Mar 19, 2010 at 3:10 PM, agentzh [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote: > -agentzh > > * * * > > nginx mailing list > [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) > [mailman.nginx.org archive](http://nginx.org/mailman/listinfo/nginx) – Ren Xiaolei ---
**Author:** ![casper\_the\_ghost](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/58956e/32.png) [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\ **Post date:** [March 19, 2010, 8:53am UTC](https://www.ruby-forum.com/t/how-many-worker-process-do-you-like/185385/6 "2010-03-19T08:53:38Z")
On Fri, Mar 19, 2010 at 3:12 PM, 任晓磊 [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote: > Should I increase buffer size to achieve block-free? > Else, one processor per CPU core might be not enough. Yup, disk operations always block the current worker. Cheers, -agentzh ---
**Author:** ![casper\_the\_ghost](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/58956e/32.png) [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\ **Post date:** [March 19, 2010, 8:57am UTC](https://www.ruby-forum.com/t/how-many-worker-process-do-you-like/185385/7 "2010-03-19T08:57:44Z")
I’m sorry, I cannot understand such huge source. Do you mean one worker can serve only one request at a time? On Fri, Mar 19, 2010 at 3:53 PM, agentzh [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote: > Yup, disk operations always block the current worker. – Ren Xiaolei