Vivek,

> And the winner is... checkpoint_segments.
> 
> Restore of a significanly big database (~19.8GB restored) shows nearly
> no time difference depending on sort_mem when checkpoint_segments is
> large.  There are quite a number of tables and indexes.  The restore
> was done from a pg_dump -Fc dump of one database.

Cool!   Thank you for posting this.

-- 
-Josh Berkus
 Aglio Database Solutions
 San Francisco


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