Message-ID: <460FF128.8090403@cse.ohio-state.edu>
Date: Sun, 01 Apr 2007 13:51:36 -0400
From: Xiaoning Ding <dingxn@cse.ohio-state.edu>
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To: Ron Mayer <rm_pg@cheapcomplexdevices.com>
CC: pgsql-performance@postgresql.org
Subject: Re: scalablility problem
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I repeated the test again. It took 0.92 second under 8.2.3.
I checked system load using top and ps. There is no other
active processes.

Xiaoning

Ron Mayer wrote:
> Xiaoning Ding wrote:
>> Postgresql is 7.3.18. [...]
>> 1 process takes 0.65 second to finish.
> 
>> I update PG to 8.2.3. The results are [...] now.
>> 1 process :    0.94 second
> 
> You sure about your test environment?  Anything else
> running at the same time, perhaps?
> 
> I'm a bit surprised that 8.2.3 would be 40% slower than 7.3.18
> even in the single process case.
> 
> ---------------------------(end of broadcast)---------------------------
> TIP 2: Don't 'kill -9' the postmaster
> 
>