Re: btrfs and iostat - how do I measure the live performance of my btrsf filesystems?

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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

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