From: Reinoud Zandijk <reinoud-S783fYmB3Ccdnm+yROfE0A@public.gmane.org>
To: NILFS Users mailing list <users-JrjvKiOkagjYtjvyW6yDsg@public.gmane.org>
Subject: Re: IOzone testing
Date: Sat, 26 Sep 2009 20:06:13 +0200 [thread overview]
Message-ID: <20090926180613.GA6733@aardappel.13thmonkey.org> (raw)
In-Reply-To: <4ABE2704.6030607-fOdFMYwuEsI@public.gmane.org>
Hi folks,
On Sat, Sep 26, 2009 at 10:36:52AM -0400, Jeff Layton wrote:
> So, let me summarize what I think I should do to test nilfs with
> IOzone without the impact of the checkpoints and without filling
> up the space.
I've dug into the iozone code and found it littered with sync(2) calls to
flush the buffers. This is what creates the checkpoints. If you take a big
enough disc it wouldn't matter otherwise you'll get into dynamic behaviour
IOzone is not really build for.
With regards,
Reinoud
prev parent reply other threads:[~2009-09-26 18:06 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-26 12:13 IOzone testing Jeff Layton
[not found] ` <4ABE0553.3090502-fOdFMYwuEsI@public.gmane.org>
2009-09-26 12:54 ` Jérôme Poulin
[not found] ` <debc30fc0909260554s21969638h280d9e6f89b7596e-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-09-26 12:36 ` Jeff Layton
[not found] ` <4ABE0AD7.7000904-fOdFMYwuEsI@public.gmane.org>
2009-09-26 13:27 ` Jérôme Poulin
[not found] ` <debc30fc0909260627n12616bddif87b25f0ae64b6f5-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-09-26 13:14 ` Jeff Layton
[not found] ` <4ABE13D3.2080809-fOdFMYwuEsI@public.gmane.org>
2009-09-26 14:15 ` Jérôme Poulin
[not found] ` <debc30fc0909260715u562bd4b0g747327c3e1a0fe37-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-09-26 14:36 ` Jeff Layton
[not found] ` <4ABE2704.6030607-fOdFMYwuEsI@public.gmane.org>
2009-09-26 15:15 ` Jérôme Poulin
[not found] ` <debc30fc0909260815s412ee145xa90e02d9ce4c942f-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-09-26 15:08 ` Jeff Layton
[not found] ` <4ABE2E86.5010708-fOdFMYwuEsI@public.gmane.org>
2009-09-26 16:29 ` Byron Guernsey
[not found] ` <C83C8B9E-C7E0-46B8-913E-6F0C407DE2E9-BUHhN+a2lJ4@public.gmane.org>
2009-09-26 16:32 ` Jeff Layton
2009-10-02 10:11 ` NILFS hanging SLES 11 - advise on diagnosis needed Barham, David
[not found] ` <80225669DEC80D488C4A0B5150466E1802F17EC3-q6sIb7dcTNEDs3eufgyKiYGWD8NUZu9dQQ4Iyu8u01E@public.gmane.org>
2009-10-02 11:42 ` Ryusuke Konishi
[not found] ` <20091002.204207.26501663.ryusuke-sG5X7nlA6pw@public.gmane.org>
2009-10-02 12:21 ` Fernando Jiménez Solano
2009-10-06 14:24 ` Barham, David
[not found] ` <80225669DEC80D488C4A0B5150466E1802F184D0-q6sIb7dcTNEDs3eufgyKiYGWD8NUZu9dQQ4Iyu8u01E@public.gmane.org>
2009-10-06 14:59 ` Barham, David
2009-10-02 16:20 ` NILFS space usage Barham, David
[not found] ` <80225669DEC80D488C4A0B5150466E1802F18005-q6sIb7dcTNEDs3eufgyKiYGWD8NUZu9dQQ4Iyu8u01E@public.gmane.org>
2009-10-02 16:59 ` Fernando Jiménez Solano
2009-09-26 18:06 ` Reinoud Zandijk [this message]
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