| From: | "Arjen van der Meijden" <acm(at)tweakers(dot)net> |
|---|---|
| To: | <josh(at)agliodbs(dot)com>, "'Patrick Hatcher'" <PHatcher(at)macys(dot)com>, <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: Memory question |
| Date: | 2003-06-27 20:49:17 |
| Message-ID: | 004901c33ced$98cf6430$3ac15e91@acm |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-performance |
> The "used" figure in Top doesn't really tell you anything,
> since it includes
> the kernel buffer which tries to take up all available
> memory. If you
> actually look at the list of processes, I think you'll find
> that you're only
> using 1-2% of memory for applications.
>
> I'm not sure what app would show your "real" free memory.
The command 'free' shows what you like to know:
$ free
total used free shared buffers
cached
Mem: 1551480 1505656 45824 0 101400
1015540
-/+ buffers/cache: 388716 1162764
Swap: 524264 23088 501176
The used/free amounts on the second line are the interesting ones in
this case.
Arjen
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