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	Mon, 14 Sep 2015 11:34:55 -0400
Subject: Re: Horrible dbench performance
To: <bo.li.liu@oracle.com>, <linux-btrfs@vger.kernel.org>
References: <20150914152820.GA25610@localhost.localdomain>
From: Josef Bacik <jbacik@fb.com>
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Date: Mon, 14 Sep 2015 11:34:50 -0400
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On 09/14/2015 11:28 AM, Liu Bo wrote:
> Hi,
>
> Both [1] and [2] had run dbench on btrfs with fast storage, and
> showed bad numbers, I got an impression that after refractoring btree lock to
> smart rwlock, we have mitigated this issue..
>
> Not got a fast-enough ssd handy, does anyone confirm the result showed
> in those link?
>
> [1]:https://lkml.org/lkml/2015/4/29/793
> [2]:https://lkml.org/lkml/2015/8/21/22
>
> Thanks,
>

I'll try after I'm finished with my ENOSPC rework.  Thanks,

Josef