From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Tatsuo Ishii <t-ishii(at)sra(dot)co(dot)jp> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: 7.2 is slow? |
Date: | 2001-12-17 07:40:42 |
Message-ID: | 200112170740.fBH7egJ18225@candle.pha.pa.us |
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Thread: | |
Lists: | pgsql-hackers |
> With the freshly retrieved current source, now PostgreSQL is running
> fine on an AIX 5L box. Thanks Tom.
>
> BTW, I have done some benchmarking using pgbench on this machine and
> found that 7.2 is almost two times slower than 7.1. The hardware is a
> 4way machine. Since I thought that 7.2 improves the performance for
^^^^
> SMP machines, I'm now wondering why 7.2 is so slow.
Ewe. I will remind people that this multi-cpu setup is exactly the type
of machine we wanted to speed up with the new light-weight locking code
that reduced spinlock looping.
--
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
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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