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Re: PostgreSQL and sql-bench

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: yoav x <yoav112003(at)yahoo(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: PostgreSQL and sql-bench
Date: 2006-09-21 15:12:45
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-performance
yoav x <yoav112003(at)yahoo(dot)com> writes:
> I've applied the following parameters to postgres.conf:

> max_connections = 500
> shared_buffers = 3000
> work_mem = 100000
> effective_cache_size = 3000000000

Please see my earlier reply --- you ignored at least
checkpoint_segments, which is critical, and perhaps other things.

Don't forget also that testing mysql/myisam against fsync = on
is inherently unfair.

			regards, tom lane

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