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Re: TPC-R benchmarks

From: Shridhar Daithankar <shridhar_daithankar(at)persistent(dot)co(dot)in>
To: Oleg Lebedev <oleg(dot)lebedev(at)waterford(dot)org>
Cc: Mary Edie Meredith <maryedie(at)osdl(dot)org>,Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Jenny Zhang <jenny(at)osdl(dot)org>,pgsql-performance <pgsql-performance(at)postgresql(dot)org>
Subject: Re: TPC-R benchmarks
Date: 2003-09-29 14:47:35
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-performance
Oleg Lebedev wrote:
> effective_cache_size = 32000	# typically 8KB each

That is 256MB. You can raise it to 350+MB if nothing else is running on the box. 
Also if you have fast disk drives, you can reduce random page cost to 2 or 1.5.

I don't know how much this will make any difference to benchmark results but 
usually this helps when queries are slow.



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