Re: Massive table (500M rows) update nightmare - Mailing list pgsql-performance

From Leo Mannhart
Subject Re: Massive table (500M rows) update nightmare
Date
Msg-id 4B4601FE.5010300@beecom.ch
Whole thread Raw
In response to Re: Massive table (500M rows) update nightmare  ("Kevin Grittner" <Kevin.Grittner@wicourts.gov>)
Responses Re: Massive table (500M rows) update nightmare  (Ludwik Dylag <ldylag@gmail.com>)
List pgsql-performance
Kevin Grittner wrote:
> Leo Mannhart <leo.mannhart@beecom.ch> wrote:
>
>> You could also try to just update the whole table in one go, it is
>> probably faster than you expect.
>
> That would, of course, bloat the table and indexes horribly.  One
> advantage of the incremental approach is that there is a chance for
> autovacuum or scheduled vacuums to make space available for re-use
> by subsequent updates.
>
> -Kevin
>

ouch...
thanks for correcting this.
... and forgive an old man coming from Oracle ;)

Leo

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