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Subject: Re: btrfs and iostat - how do I measure the live performance of my  btrsf =?UTF-8?Q?filesystems=3F?=
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Date: Tue, 05 Aug 2014 16:14:36 +0200
From: Tomasz Chmielewski <mangoo@wpkg.org>
Cc: rbellamy@pteradigm.com
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> root@a i ~ # iostat
> Linux 3.14.15-1-lts (eanna) 08/04/2014 _x86_64_ (24 CPU)
> 
> (...)
> 
> How do I boil those numbers down to something meaningful, so I can get
> an idea of the throughput in situ?

Simple iostat won't give you meaningful live performance stats.

You can combine it i.e. like below:

iostat -x 1
iostat -mx 1
iostat -m 1

etc.



-- 
Tomasz Chmielewski
http://www.sslrack.com