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Re: merge>hash>loop

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Markus Schaber <schabi(at)logix-tt(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: merge>hash>loop
Date: 2006-04-18 22:26:48
Message-ID: 19433.1145399208@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-performance
Markus Schaber <schabi(at)logix-tt(dot)com> writes:
> Hmm, how does effective_cach_size correspond with it? Shouldn't a high
> effective_cache_size have a similar effect?

It seems reasonable to suppose that effective_cache_size ought to be
used as a number indicating how much "stuff" would hang around from
query to query.  Right now it's not used that way...

			regards, tom lane

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