Hi!
This is normal, specially while your machine is swapping. Master forks in
order to save metadata to disk (in your case 7072). When the data is saved,
the process will quit.
When machine needs to use swap, saving of metada takes longer and amount of
commonly used memory by two processes reduces and finally total amount of
memory used increases which causes further swapping...
You should normally stop the master by:
/usr/sbin/mfsmaster stop
and wait for the writing process to finish saving metadata (you'll see
metadata.mfs.back.tmp growing). Add RAM and restart :)
Kind regards
Michał Borychowski
MooseFS Support Manager
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Gemius S.A.
ul. Wołoska 7, 02-672 Warszawa
Budynek MARS, klatka D
Tel.: +4822 874-41-00
Fax : +4822 874-41-01
-----Original Message-----
From: Krzysztof Janiszewski - ecenter sp. z o.o.
[mailto:k.j...@ec...]
Sent: Thursday, July 07, 2011 9:53 PM
To: moo...@li...
Subject: [Moosefs-users] mfsmaster
Hello!
Is it normal that I have two mfsmaster processes running at the same time on
master machine?
root@master:~# 180s ps -ax | grep mfs
3659 ? D< 41:29 /usr/sbin/mfsmaster start
3667 ? S 0:22 python /usr/sbin/mfscgiserv
7072 ? D< 0:06 /usr/sbin/mfsmaster start
Can I kill -9 mfsmaster when all chunkservers and metalogger are stopped?
I ran out of memory and master is using 1GB of swap now and mfsmaster don't
want to stop in "normal" way.
Best regards
Krzysztof Janiszewski
ecenter sp. z o.o.
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