Re: Hyper-Trading - Mailing list pgsql-general

From Andrej Ricnik-Bay
Subject Re: Hyper-Trading
Date
Msg-id b35603930707101734g1f6e9bf8y893a6c67b957b2bc@mail.gmail.com
Whole thread Raw
In response to Re: Hyper-Trading  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-general
On 7/11/07, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Conventional wisdom around here has been that HT doesn't help database
> performance, and that IBM link might provide a hint as to why: the
> only item for which they show a large loss in performance is disk I/O.
> Ooops.
Thanks Tom, great summary.  How does this compare with
SMP vs HT?

> Personally I keep HT turned on on my devel machine, because I do find
> that recompiling Postgres is noticeably faster ("make -j4" rocks on a
> dual Xeon w/HT).  I doubt that's the benchmark of greatest interest
> to the average *user* of Postgres, though.
Understood :)



>                         regards, tom lane
Cheers,
Andrej

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