From: Xiaoning Ding <dingxn@cse.ohio-state.edu>
To: Ron Mayer <rm_pg@cheapcomplexdevices.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: scalablility problem
Date: Sun, 01 Apr 2007 13:51:36 -0400
Message-ID: <460FF128.8090403@cse.ohio-state.edu> (raw)
In-Reply-To: <460F87D0.7090800@cheapcomplexdevices.com>
References: <460D7220.9010302@cse.ohio-state.edu>
<23586.1175289138@sss.pgh.pa.us>
<460D8371.7080405@cse.ohio-state.edu>
<460F87D0.7090800@cheapcomplexdevices.com>
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
>
>
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To: pgsql-performance@postgresql.org
Cc: dingxn@cse.ohio-state.edu, rm_pg@cheapcomplexdevices.com
Subject: Re: scalablility problem
In-Reply-To: <460FF128.8090403@cse.ohio-state.edu>
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