what's difference between worker_connections and worker_rlimit_nofile

[任晓磊]

On Mon, Mar 22, 2010 at 2:52 AM, Maxim Dounin <mdounin at mdounin.ru> wrote:
> System limit on number of open files must be larger than number of
> worker_connections as any connection opens at least one file
> (usually two - connection socket and either backend connection
> socket or static file on disk).
>
>> And, what's the relationship between `ulimit -n' and worker_rlimit_nofile?
>
> Via "ulimit -n" you may set the same system limit on number of
> open files.  It doesn't really matter which method is used to set
> limit (ulimit or worker_rlimit_nofile directive).  Though
> sometimes worker_rlimit_nofile is more convenient as it allows to
> adjust limit without restarting nginx.

Thank you. I will add worker_rlimit_nofile into my nginx.conf file.
-- 
Ren Xiaolei