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Re: [PERFORM] Help with tuning this query (with explain analyze finally)

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Magnus Hagander" <mha(at)sollentuna(dot)net>
Cc: "Ken Egervari" <ken(at)upfactor(dot)com>,pgsql-performance(at)postgresql(dot)org, pgsql-hackers-win32(at)postgresql(dot)org
Subject: Re: [PERFORM] Help with tuning this query (with explain analyze finally)
Date: 2005-03-07 14:11:05
Message-ID: 22780.1110204665@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers-win32pgsql-performance
"Magnus Hagander" <mha(at)sollentuna(dot)net> writes:
> Do we need actual high precision time, or do we just need to be able to
> get high precision differences? Getting the differences is fairly easy,
> but if you need to "sync up" any drif then it becomes a bit more
> difficult.

You're right, we only care about differences not absolute time.  If
there's something like a microseconds-since-bootup counter, it would
be fine.

			regards, tom lane

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