[CentOS] persistent change of max_stack_depth

m.roth at 5-cent.us
2015-08-14T15:42:00Z

Michael H wrote:
>
>> Could anybody point me in the right direction for setting the kernel
>> parameter, max_stack_depth, to 10240 for database tuning?
>>
>> I have currently set it by running 'ulimit -s 10240' but this
does not
>> survive a reboot.
>
> Thanks for the response, I've been nosing around that file recently but
> noted the first two lines;
>
> #This file sets the resource limits for the users logged in via PAM.
> #It does not affect resource limits of the system services.
>
>> Look at the file /etc/security/limits.conf
>>
> I added these two lines to the end of the file
>
> *               soft    stack   12288
> *               hard    stack   12288
>
> in an attempt to set the stack depth to 12MB so that I can configure
> postgresql max_stack_depth = 10MB.
>
> I rebooted, ulimit -s shows 12288.
>
> When I restart my service (#It does not affect resource limits of the
> system services.) becomes apparent.
<snip>
Well, a quick and dirty hack would be to add that as a script in
/etc/rd.local (or whatever the appropriate place is for CentOS 7).

     mark