Re: shared memory settings on MAC OS X

> Von: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
> Datum: Mon, 29 Oct 2007 09:40:10 -0400

>> Tom, I suspect you have Mac OS X Server installed, right? That's probably
>> why your /etc/sysctl.conf file mentions that /etc/sysctl-macosxserver.conf
>> file, while mine doesn't.
>
> Uh, no, I'm looking at my laptop. Curious that yours has no reference
> to the other file.

Indeed. Good to hear you are using a Mac, though.

>> And frankly, to me it looks as if it means "if there is a /etc/sysctl.conf
>> file, then read it and accept its settings. Then overwrite the sysctl
>> settings with the default values, no matter what."
>
> You're forgetting the point I made that the first complete set of shmem
> settings wins.

Of course I only understood what you said there after I hit the send button.
Now it clicked, thanks for putting it so politely.

> If we could change the settings on the fly after that,
> all this would be a whole lot easier, but the OSX kernel locks them down
> somehow.

Yeah, I wonder if this locking down somehow doesn't work on my machine. I
mean I successfully changed all of the other shm value via that file, only
that shmmax value would'nt budge.

> BTW, I dunno if you read awk at all, but that awk command effectively
> says "print lines that contain = and do not contain #".

Ah, no I wasn't aware of this.

> You didn't try
> appending comments to the setting lines in your file did you?

No, i didn't.

I think I will try messing with the rc file directly.

Thanks,

Maximilian Tyrtania | IT-Entwickler
Mty(at)fischerAppelt(dot)de
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