| From: | Doug McNaught <doug(at)mcnaught(dot)org> |
|---|---|
| To: | "Henrik Steffen" <steffen(at)city-map(dot)de> |
| Cc: | <shridhar_daithankar(at)persistent(dot)co(dot)in>, <pgsql-general(at)postgresql(dot)org>, <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: [PERFORM] Upgrade to dual processor machine? |
| Date: | 2002-11-14 20:50:58 |
| Message-ID: | m3heejq3il.fsf@varsoon.wireboard.com |
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| Thread: | |
| Lists: | pgsql-general pgsql-performance |
"Henrik Steffen" <steffen(at)city-map(dot)de> writes:
> This is what it says in the manual and what I have been doing until today:
>
> "You should run VACUUM periodically to clean out expired rows. For tables that are heavily modified, it is useful to run VACUUM
> every night in an automated manner. For tables with few modifications, VACUUM should be run less frequently. The command exclusively
> locks the table while processing. "
The "exclusive lock" part is no longer true as of 7.2.X--it is now
much cheaper to run VACUUM. What version were you running again?
-Doug
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