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Re: Abysmal hash join


  • From: Gregory Stark <gsstark(at)mit(dot)edu>
  • To: Florian Weimer <fweimer(at)bfk(dot)de>
  • Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-performance(at)postgresql(dot)org
  • Subject: Re: Abysmal hash join
  • Date: 11 Sep 2006 20:56:27 -0400
  • Message-id: <87k649q4w4(dot)fsf(at)stark(dot)xeocode(dot)com>

Florian Weimer <fweimer(at)bfk(dot)de> writes:

> I've done that.  Fortunately, ANALYZE time didn't increase by that
> much, compared to the default (by just a factor of 10).  

With really high stats times you also have to keep an eye on planning time.
The extra data in the stats table can cause planning to take longer.


-- 
greg




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