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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Klaus P. Pieper <kpi6288@gmail.com>
Cc: pgsql-admin@postgresql.org
Subject: Re: pgbench Windows outperforms Debian in Write tests while Debian is faster in SELECT only tests
Date: Mon, 29 May 2017 04:19:01 -0400
Message-ID: <31836.1496045941@sss.pgh.pa.us> (raw)
In-Reply-To: <028501d2d84f$2f1ea840$8d5bf8c0$@gmail.com>
References: <028501d2d84f$2f1ea840$8d5bf8c0$@gmail.com>
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"Klaus P. Pieper" <kpi6288@gmail.com> writes:
> How can Windows outperform Debian by a factor of 2?

Are you sure you have Windows configured to fsync properly?
Not waiting for writes to hit disk would be a really easy
explanation for a discrepancy of this kind.

			regards, tom lane


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