Re: 20% performance drop on PostgreSQL 9.2 from kernel 3.5.3 to3.6-rc5 on AMD chipsets - bisected

From: Nikolay Ulyanitsky
Date: Mon Sep 24 2012 - 11:23:29 EST


On 24 September 2012 18:00, Mel Gorman <mgorman@xxxxxxx> wrote:
> Reverting Mike's patch might fix this Postgres regression but it reintroduces the overhead caused
> by commit 4dcfe102 for other cases.

I just tested pgbench on kernel 3.6-rc7.
There is no performance regression between 3.5.3 and 3.6-rc7 on AMD X6.
Thx

--
With best regards,
Nikolay
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