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From: Sitsofe Wheeler <sitsofe@gmail.com>
To: Jens Axboe <axboe@kernel.dk>
Cc: Akira Hayakawa <ruby.wktk@gmail.com>,
	Andrey Kuzmin <andrey.v.kuzmin@gmail.com>,
	"fio@vger.kernel.org" <fio@vger.kernel.org>
Subject: Re: [Question] How to perform stride access?
Date: Mon, 29 Sep 2014 08:41:11 +0100	[thread overview]
Message-ID: <20140929074038.GA12377@sucs.org> (raw)
In-Reply-To: <54288805.2020008@kernel.dk>

(Resending because list rejected HTML part)

On 28 September 2014 23:13, Jens Axboe <axboe@kernel.dk> wrote:

> On 09/28/2014 01:44 PM, Sitsofe Wheeler wrote:
> > The patch fixes
> > fio --bs=4k --rw=write:4k --filename=/dev/shm/1M --name=go --io_limit=2M
> > but not
> > fio --bs=512k --rw=write --filename=/dev/shm/1M --name=go --number_io=4
>
> number_ios=x is implemented as a cap, not a forced "must complete this
> amount of ios to be done".

Ah I see. Now I look again the HOWTO even says it doesn't extend the number
of I/Os - I should have read more carefully!

> > or
> > fio --bs=4k --rw=write --filename=/dev/shm/1M --name=go --zoneskip=4k
> --zonesize=4k --io_limit=2M
>
> That one is a bit more tricky. Oh, try the attached (keep the previous
> applied).

Latest patch fixes zone skipping for me too. Akira are things better for
you too?

-- 
Sitsofe | http://sucs.org/~sits/


  parent reply	other threads:[~2014-09-29  7:41 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-23 13:47 [Question] How to perform stride access? Akira Hayakawa
2014-09-23 14:05 ` Andrey Kuzmin
2014-09-24  8:35   ` Akira Hayakawa
     [not found]     ` <CANvN+emPbk+MwwNoABs-rdWdJbn+JD+O0GVAGftR4w7mNVndcg@mail.gmail.com>
2014-09-24  9:28       ` Akira Hayakawa
2014-09-24  9:52     ` Sitsofe Wheeler
2014-09-24  9:58       ` Akira Hayakawa
2014-09-24 21:22       ` Sitsofe Wheeler
2014-09-28  2:24         ` Jens Axboe
2014-09-28 10:32           ` Sitsofe Wheeler
2014-09-28 10:36           ` Sitsofe Wheeler
2014-09-28 14:24             ` Jens Axboe
2014-09-28 15:08               ` Jens Axboe
2014-09-28 19:44                 ` Sitsofe Wheeler
2014-09-28 22:13                   ` Jens Axboe
2014-09-29  5:42                     ` Sitsofe Wheeler
2014-09-29  7:41                     ` Sitsofe Wheeler [this message]
2014-09-30  1:23                       ` Akira Hayakawa
2014-09-30  2:21                         ` Jens Axboe
2014-10-05  7:15                         ` Akira Hayakawa

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