Re: [Moosefs-users] mfsmater memory!

[Laurent W. <lw...@hy...>]

On Wed, 20 Oct 2010 17:27:06 +0800
leon hong <cod...@gm...> wrote:

> hi` all
Hello Leon,
> 
>   I have two questions about memory of mfsmaster.
>   1. When I increase the write data, read data from mfsmaster, mfsmaster
> memory has always been 78m, why?
I'm unsure to understand your question, doesn't seem correct english to
me :) Will try to answer anyway.
metadata are cached in ram. So, mfsmaster memory consumption
varies with the number of files and directories, not on load.
> 
<snip>
> 
>   2. When I delete data, mfsmaster memory will be decrease or unchanged?
It will decrease. don't know though if it will once data are in the
trash or really deleted.
See http://www.moosefs.org/reference-guide.html#requirements for some
details.
HTH,
-- 
Laurent Wandrebeck
HYGEOS, Earth Observation Department / Observation de la Terre
Euratechnologies
165 Avenue de Bretagne
59000 Lille, France
tel: +33 3 20 08 24 98
http://www.hygeos.com
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