Re: CommitDelay performance improvement

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: pgsql-hackers(at)postgresql(dot)org
Subject: Re: CommitDelay performance improvement
Date: 2001-02-24 02:05:20
Message-ID: 200102240205.VAA12697@candle.pha.pa.us
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> > > It seems to me that comparing various choices (and other, more
> > > interesting, algorithms) to the N=1 case would be more productive
> > > than comparing them to the N=0 case, so releasing at N=1 would yield
> > > better statistics for actually tuning in 7.2.
> >
> > We don't release code because it has better tuning opportunities for
> > later releases. What we can do is give people parameters where the
> > default is safe, and they can play and report to us.
>
> Perhaps I misunderstood. I had perceived N=1 as a conservative choice
> that was nevertheless preferable to N=0.

I think zero delay is the conservative choice at this point, unless we
hear otherwise from testers.

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
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