Re: namedatalen part 2 (cont'd)

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От Bruce Momjian
Тема Re: namedatalen part 2 (cont'd)
Дата
Msg-id 200204241357.g3ODvTY08250@candle.pha.pa.us
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Ответ на Re: namedatalen part 2 (cont'd)  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: namedatalen part 2 (cont'd)  (Tom Lane <tgl@sss.pgh.pa.us>)
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Tom Lane wrote:
> Neil Conway <nconway@klamath.dyndns.org> writes:
> > ...Based on that data, I'd vote against making any changes to NAMEDATALEN.
> 
> It looked to me like the cost for going to NAMEDATALEN = 64 would be
> reasonable.  Based on these numbers I'd have a problem with 128 or more.
> 
> But as you observe, pgbench numbers are not very repeatable.  It'd be
> nice to have some similar experiments with another benchmark before
> making a decision.

Yes, 64 looked like the appropriate value too.  Actually, I was
surprised to see as much of a slowdown as we did.

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
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