From: "G. Richard Bellamy" <rbellamy@pteradigm.com>
To: Tomasz Chmielewski <mangoo@wpkg.org>
Cc: linux-btrfs <linux-btrfs@vger.kernel.org>
Subject: Re: btrfs and iostat - how do I measure the live performance of my btrsf filesystems?
Date: Tue, 5 Aug 2014 15:06:02 -0700 [thread overview]
Message-ID: <CADw2B2MgvUt_bL11ZOAZjyk+R2pmM5JbLVjmgqoXBHSTEypMqw@mail.gmail.com> (raw)
In-Reply-To: <e464a0229fbd354aea0d15d8342330b1@admin.virtall.com>
On Tue, Aug 5, 2014 at 7:14 AM, Tomasz Chmielewski <mangoo@wpkg.org> wrote:
> 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
Thanks for the pointer about viewing the extended stats, and showing
them in MB rather than kB.
Maybe I'm missing something here. I'm failing to see how adding those
additional stats helps me get meaningful throughput information for a
multi-device btrfs volume.
-rb
next prev parent reply other threads:[~2014-08-05 22:06 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-05 14:14 btrfs and iostat - how do I measure the live performance of my btrsf filesystems? Tomasz Chmielewski
2014-08-05 22:06 ` G. Richard Bellamy [this message]
2014-08-05 23:39 ` Tomasz Chmielewski
2014-08-22 21:36 ` G. Richard Bellamy
2014-08-23 3:24 ` Duncan
2014-08-23 4:13 ` G. Richard Bellamy
-- strict thread matches above, loose matches on Subject: below --
2014-08-04 23:01 G. Richard Bellamy
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