Re: IO query

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От Koen Martens
Тема Re: IO query
Дата
Msg-id 44560780.7010308@metro.cx
обсуждение исходный текст
Ответ на IO query  (Ketema Harris <ketema@c4direct.com>)
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select oid from pg_class where relname='foo';

Ketema Harris wrote:
> Does anyone have a function or query that will loop through all the dbs in a
> cluster, gather all the oids for every table, then call
> pg_stat_get_db_blocks_fetched(oid)    and pg_stat_get_db_blocks_hit(oid),
> subtracting the latter from the former to get an estimate of kernel read()
> calls?  I would like to write on if there is not one already out there, but
> I don¹t know how to find the oid of a table with a query.  Where is that
> stored?
>
> Thanks
>
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 6: explain analyze is your friend
>
>


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