Re: Advice/guideline on increasing shared_buffers and kernel parameters

On Tue, 8 May 2012 14:56:52 +0530, Gnanakumar wrote:

> As you can see, in my case, I'm setting only 3 GB (3072 MB), which is
> actually below 8 GB.  So, I need to increase kernel parameters in
> this
> case. Any ideas/insights?

I am not using CentOS (or Linux at all), but

edit /etc/sysctl.conf

and do something like /etc/init.d/sysctl restart


also some quick googling braught this up:
http://grokbase.com/t/centos/centos/11a40897q1/centos-6-increase-shared-memory-limits-permanently

Judging from your error you should set shmmax to something in the range
of 3670016000


Jan

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