From: Phillip Susi <psusi@cfl.rr.com>
To: Ameya Mitragotri <ameya.mitragotri@gmail.com>
Cc: linux-kernel@vger.kernel.org, suparna@in.ibm.com, pbadari@gmail.com
Subject: Re: fadvise+sync_file_range Vs O_DIRECT
Date: Wed, 04 Apr 2007 10:24:09 -0400 [thread overview]
Message-ID: <4613B509.8050902@cfl.rr.com> (raw)
In-Reply-To: <88df6dda0704040342q3f8988a3idac7d88e51b9b181@mail.gmail.com>
Ameya Mitragotri wrote:
>> Did you use overlapped aio with O_DIRECT or just send down one request
>> at a time?
>
> The app sends the requests one at a time
For best results, you need to send down several requests at once so the
pipeline does not stall in between requests.
prev parent reply other threads:[~2007-04-04 14:23 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-03 10:51 fadvise+sync_file_range Vs O_DIRECT Ameya Mitragotri
2007-04-03 19:19 ` Phillip Susi
2007-04-04 10:42 ` Ameya Mitragotri
2007-04-04 14:24 ` Phillip Susi [this message]
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