Re: Bad SSD performance with recent kernels

From: Eric Dumazet
Date: Sat Jan 28 2012 - 08:34:04 EST


Le samedi 28 janvier 2012 Ã 20:51 +0800, Wu Fengguang a Ãcrit :

> Would you please create a filesystem and large file on sda and run the
> tests on the file? There was some performance bug on reading the raw
> /dev/sda device file..

Hmm... latest kernel has the performance bug right now.

Really if /dev/sda is slow, we are stuck.

FYI, I started a bisection.



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