From mboxrd@z Thu Jan  1 00:00:00 1970
From: erik quanstrom <quanstro@coraid.com>
Date: Fri, 24 Apr 2009 13:54:09 -0400
To: 9fans@9fans.net
Message-ID: <c55b3f587ddfa1e5bbca3c67a9291160@coraid.com>
In-Reply-To: <755cee220967127b18c63c0f03fd1545@quintile.net>
References: <755cee220967127b18c63c0f03fd1545@quintile.net>
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Subject: Re: [9fans] wrarenas
Topicbox-Message-UUID: f223071a-ead4-11e9-9d60-3106f5b1d025

On Fri Apr 24 13:51:18 EDT 2009, steve@quintile.net wrote:
> Is wrarenas (write venti arenas back to disk) really really
> slow or have I a hardware problem.
>
> reading 10 arenas took 30secs or so, writing them into
> a new venti (even with a bloom filter and DMA turned on)
> took about 36 hours.
>
> is this expected?

sidestepping the question about venti, a modern disk
with modern hardware should give >40mb/s; that is
	dd -if /dev/sdXX/data -of /dev/null -bs 512k -count 1000
should take < 12.5s.

- erik