| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Denis Perchine <dyp(at)perchine(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Performance monitor |
| Date: | 2001-03-13 16:37:40 |
| Message-ID: | 200103131637.LAA16802@candle.pha.pa.us |
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| Lists: | pgsql-hackers |
> Hard to say. 'ps' gives some great information about cpu/memory usage
> that may be hard/costly to put in shared memory. One idea should be to
> issue periodic 'ps/kill' commands though a telnet/ssh pipe to the
> remote machine, or just to the remote X display option.
>
> Of course, getrusage() gives us much of that information.
Forget getrusage(). Only works on current process, so each backend
would have to update its own statistics. Sounds expensive.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
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