Hi Thomas,
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
For documentation, 'man limits.conf'
- Thomas
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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.
Aug 14 16:22:17 db1 pg_ctl[3177]: < 2015-08-14 16:22:17.839 BST >LOG:
invalid value for parameter "max_stack_depth": 10240
Aug 14 16:22:17 db1 pg_ctl[3177]: < 2015-08-14 16:22:17.839 BST >DETAIL:
"max_stack_depth" must not exceed 7680kB.
Aug 14 16:22:17 db1 pg_ctl[3177]: < 2015-08-14 16:22:17.839 BST >HINT:
Increase the platform's stack depth limit via "ulimit -s" or local
equivalent.
So, I then run 'ulimit -s 12288' and still can't restart my service.
How can I increase stack depth for system processes, not just PAM
authenticated users?
Thanks in advance,
Michael
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