Re: 7.2 is slow? - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: 7.2 is slow?
Date
Msg-id 200112170740.fBH7egJ18225@candle.pha.pa.us
Whole thread Raw
In response to 7.2 is slow?  (Tatsuo Ishii <t-ishii@sra.co.jp>)
List 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@candle.pha.pa.us               |  (610)
853-3000+  If your life is a hard drive,     |  830 Blythe Avenue +  Christ can be your backup.        |  Drexel Hill,
Pennsylvania19026
 


pgsql-hackers by date:

Previous
From: Bruce Momjian
Date:
Subject: Size restriction on patches list
Next
From: Hannu Krosing
Date:
Subject: Re: 7.2 is slow?