[CentOS] change /etc/security/limits.conf need reboot or not?

mcclnx mcc wrote:
> We have CEntos 5.5 on DELL server.  Due to more and more databases run on
> same server sometime processes number read max and cause 'resource
> temporary unavailable".
>
> I plan to change /etc/security/limits.conf value:
>
> oracle          soft    nproc          2047 ==> 4096
>
> Do i need reboot to make it effect?
>
> How to test change is effect?
>
Google for tuning linux for oracle. Here's a good tutorial with
recommendations.

<http://labite.wordpress.com/2012/08/31/tuning-linux-server-for-oracle-database/>

You should really talk to Oracle, or Dell, for that matter, about
performance tuning for Oracle. If you're still under warranty, They'll
give you good numbers.

        mark