From: Jens Axboe <jaxboe@fusionio.com>
To: majianpeng <majianpeng@gmail.com>
Cc: fio <fio@vger.kernel.org>
Subject: Re: The relation about size/filesize/nrfiles
Date: Thu, 10 Jan 2013 13:14:54 +0100 [thread overview]
Message-ID: <50EEB0BE.90909@fusionio.com> (raw)
In-Reply-To: <2013011020083650949610@gmail.com>
On 2013-01-10 13:08, majianpeng wrote:
> Hi all,
> I wanted to test some files.But i wanted to use size rather than nrfiles.The job file is:
> [global]
> rw=write
> directory=/media
> bs=64k
> size=500M
>
> [j1]
> filesize=256k
>
> But fio only created one file.If i used nrfiles,the size is ignored.
> So how to write which can do what i wanted?
If you just set size= and nrfiles=, then the file size will set according
to that. By default, each file will be size / nrfiles. You can influence
that with filesize=low:high.
The above wont work, fio will not calculate the number of files
needed to satisfy that job file (it could though, I'll take a patch!).
--
Jens Axboe
prev parent reply other threads:[~2013-01-10 12:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-10 12:08 The relation about size/filesize/nrfiles majianpeng
2013-01-10 12:14 ` Jens Axboe [this message]
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