kernel version impact on PostgreSQL performance

From: Cyril Scetbon <cyril(dot)scetbon(at)free(dot)fr>
To: pgsql-general(at)postgresql(dot)org
Subject: kernel version impact on PostgreSQL performance
Date: 2010-03-05 14:20:13
Message-ID: 4B91131D.9070200@free.fr
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Does anyone know what can be the differences between linux kernels
2.6.29 and 2.6.30 that can cause this big difference (TPS x 7 !)
http://www.phoronix.com/scan.php?page=article&item=linux_2624_2633&num=2

Regards
--
Cyril SCETBON

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