| From: | "Matthew T(dot) O'Connor" <matthew(at)zeut(dot)net> |
|---|---|
| To: | "Fabien COELHO" <coelho(at)cri(dot)ensmp(dot)fr> |
| Cc: | "Bruce Momjian" <pgman(at)candle(dot)pha(dot)pa(dot)us>, "PostgreSQL-development" <pgsql-hackers(at)postgresql(dot)org>, "PostgreSQL advocacy" <pgsql-advocacy(at)postgresql(dot)org> |
| Subject: | Re: [HACKERS] What can we learn from MySQL? |
| Date: | 2004-04-23 12:58:41 |
| Message-ID: | 58232.192.154.91.225.1082725121.squirrel@192.154.91.225 |
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| Lists: | pgsql-advocacy pgsql-hackers pgsql-www |
> There are two issues here : ease-of-use for admin and basic users.
>
> On for former point, admin ease-of-use, A little story a few month ago.
>
> I succeeded in advising production people here to switch some applications
> from a mysql database, which was working perfectly, to a postgres
> database. A few weeks later, the performances were desastrous. 30 seconds
> to get an answer to a simple select on a 1500 entries tables. After
> investigation, the problems were:
>
> - no vacuum, although there were daily "DELETE FROM tables;"
> to empty all the data and reload from another source.
>
> - no analyze, because the admin did not know about it.
My goal is to have pg_autovacuum integrated into the backend for 7.5. I
don't know if it will default to being turned on or off, I'm sure that
will be a discussion, but if it is defaulted to on, then this whole
problem of having to train newbies about vacuum should just go away.
Matthew
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