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Re: GEQO Benchmark

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: tarcizioab(at)c3sl(dot)ufpr(dot)br
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: GEQO Benchmark
Date: 2008-05-28 14:02:30
Message-ID: 27530.1211983350@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-performance
tarcizioab(at)c3sl(dot)ufpr(dot)br writes:
> I'm using the TPC-H Benchmark for testing of performance in PostgreSQL.
> But it is composed of only 8 tables, which is not enough to call the GEQO
> algorithm.

See
http://www.postgresql.org/docs/8.3/static/runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO

particularly geqo_threshold.

			regards, tom lane

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