Re: Performance monitor
От | Karel Zak |
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Тема | Re: Performance monitor |
Дата | |
Msg-id | 20010308112602.B25863@ara.zf.jcu.cz обсуждение исходный текст |
Ответ на | Re: Performance monitor (Bruce Momjian <pgman@candle.pha.pa.us>) |
Ответы |
Re: Performance monitor
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Список | pgsql-hackers |
On Wed, Mar 07, 2001 at 10:06:38PM -0500, Bruce Momjian wrote: > > I think Bruce wants per-backend data, and this approach would seem to only > > get the data for the current backend. > > > > Also, I really don't like the proposal to write files to /tmp. If we want a > > perf tool, then we need to have something like 'top', which will > > continuously update. With 40 backends, the idea of writing 40 file to /tmp > > every second seems a little excessive to me. > > My idea was to use 'ps' to gather most of the information, and just use > the internal stats when someone clicked on a backend and wanted more > information. Are you sure about 'ps' stuff portability? I don't known how data you want read from 'ps', but /proc utils are very OS specific and for example on Linux within a few years was libproc several time overhauled.I spent several years with /proc stuff (processes manager: http://home.zf.jcu.cz/~zakkr/kim). Karel -- Karel Zak <zakkr@zf.jcu.cz>http://home.zf.jcu.cz/~zakkr/C, PostgreSQL, PHP, WWW, http://docs.linux.cz, http://mape.jcu.cz
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