Search Postgresql Archives

Re: Shared memory and Mac OS X

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



have you tried using /etc/sysctl.conf and saving the shmax value there?

On Thu, 20 Jan 2005 21:51:02 -0600, Wes wrote
> The problem with not being able to set shmmax and shmall in a 
> startup script in Mac OS X is not that you are setting them too late 
> in the boot process. It is that you can set them only once.  In fact,
>  you can set them from a terminal window after booting and logging 
> in - as long as they haven't already been set.
> 
> If you comment out the sysctl's for shmall and shmmax in /etc/rc,
>  reboot, then log in and bring up a terminal window, you will see 
> that they are set to -1.  You can then set them to whatever you want 
> (as root of course). However, if you try to set the value again, the 
> first value remains set.
> 
> Unfortunately, this doesn't help much, as Apple's default /etc/rc 
> sets values.  If you comment out these, you can set the values in a startup
> script, but you're still screwed when the next update re-enables the
> settings in /etc/rc, which are set before SystemStarter is called. 
>  I guess the best you can do is have a startup script that notifies 
> you if the values are wrong.
> 
> Wes
> 
> ---------------------------(end of broadcast)---------------------------
> TIP 1: subscribe and unsubscribe commands go to majordomo@xxxxxxxxxxxxxx


--
Jonel Rienton
http://jonel.road14.com


---------------------------(end of broadcast)---------------------------
TIP 3: if posting/reading through Usenet, please send an appropriate
      subscribe-nomail command to majordomo@xxxxxxxxxxxxxx so that your
      message can get through to the mailing list cleanly

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Postgresql Jobs]     [Postgresql Admin]     [Postgresql Performance]     [Linux Clusters]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Postgresql & PHP]     [Yosemite]
  Powered by Linux