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Re: scalablility problem

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Xiaoning Ding <dingxn(at)cse(dot)ohio-state(dot)edu>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: scalablility problem
Date: 2007-03-30 21:12:18
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Lists: pgsql-performance
Xiaoning Ding <dingxn(at)cse(dot)ohio-state(dot)edu> writes:
> When I run multiple TPC-H queries (DBT3) on  postgresql, I found the system
> is not scalable.  My machine has 8GB memory, and 4 Xeon Dual Core processor
> ( 8 cores in total). OS kernel is linux 2.6.9. Postgresql is 7.3.18.

If you are not running PG 8.1 or later, it's really not worth your time
to test this.  Multiprocessor scalability was hardly even on the radar
in 7.3 days.

			regards, tom lane

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