Re: Massive table (500M rows) update nightmare

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Leo Mannhart <leo.mannhart@xxxxxxxxx> 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

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