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From: Erwan Velu <erwan@enovance.com>
To: Kim Holmebakken <kim.holmebakken@hotmail.com>
Cc: fio@vger.kernel.org
Subject: Re: Fio giving iops results that are equal to RAM speeds
Date: Wed, 07 May 2014 10:27:36 +0200	[thread overview]
Message-ID: <5369EE78.3060705@enovance.com> (raw)
In-Reply-To: <BLU436-SMTP1086A621DD12787F2EECD40E54E0@phx.gbl>


Le 07/05/2014 10:19, Kim Holmebakken a �crit :
> Also the direct=0 is for the fact that in the documentation to fio the 
> direct= parameter is not supported for zfs. And as a result the test 
> will not complete(it does not even create the test files). 

So you need to make a much more longer run to minimize the cache effect. 
Running like twice the memory of the server could be an interesting 
test. 128M on a cached FS is clearly not enough.

Erwan,

  parent reply	other threads:[~2014-05-07  8:27 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-07  7:45 Fio giving iops results that are equal to RAM speeds Kim Holmebakken
2014-05-07  8:02 ` Erwan Velu
     [not found]   ` <BLU436-SMTP1086A621DD12787F2EECD40E54E0@phx.gbl>
2014-05-07  8:27     ` Erwan Velu [this message]
     [not found]       ` <BLU436-SMTP218F8CEFE3A8ED088644478E54E0@phx.gbl>
2014-05-07  9:12         ` Erwan Velu
2014-05-07 14:21       ` Jens Axboe
2014-05-07  8:10 ` puvi

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