t
Date: 13/11/2020 14:33
Subject: [EXTERNAL] Re: [gpfsug-discuss] Poor client performance
with high cpu usage of mmfsd process
Sent by:gpfsug-discuss-boun...@spectrumscale.org
Hi Uwe -
Regarding your previous message - waiters were coming / going with just
1-2 waiters
e Falke
Sent: Friday, November 13, 2020 4:37 AM
To: gpfsug main discussion list
Subject: Re: [gpfsug-discuss] Poor client performance with high cpu usage
of mmfsd process
Hi Kamil,
in my mail just a few minutes ago I'd overlooked that the buffer size in
your trace was indeed 128M (I suppose the
e.ibm.comIBM ServicesIBM Data Privacy StatementIBM Deutschland Business & Technology Services GmbHGeschäftsführung: Sven Schooss, Stefan Hierl Sitz der Gesellschaft:EhningenRegistergericht: Amtsgericht Stuttgart, HRB 17122From: "Czauz, Kamil" To: "gpfsug-discuss@spectrumscale.org"Date: 1
.00% 1
-Original Message-
From: gpfsug-discuss-boun...@spectrumscale.org
On Behalf Of Uwe Falke
Sent: Friday, November 13, 2020 4:37 AM
To: gpfsug main discussion list
Subject: Re: [gpfsug-discuss] Poor client performance with high cpu usage of
mmfsd process
Hi Kamil,
in my mai
Re: [EXTERNAL] Re: [gpfsug-discuss] Poor client
performance with high cpu usage of mmfsd process
Hi, Kamil,
looks your tracefile setting has been too low:
all streams included Thu Nov 12 20:58:19.950515266 2020 (TOD
1605232699.950515, cycles 20701552715873212) < useful part of tra
rl
Sitz der Gesellschaft: Ehningen
Registergericht: Amtsgericht Stuttgart, HRB 17122
From: "Czauz, Kamil"
To: gpfsug main discussion list
Date: 13/11/2020 03:33
Subject: [EXTERNAL] Re: [gpfsug-discuss] Poor client performance
with high cpu usage of mmfsd process
S
In addition to what Uwe mentioned
I am bit concern of you needing to look into killing daemon to "fix" it.
You might want to look into QoS fine-stats to get PID process information for the node
http://files.gpfsug.org/presentations/2018/London/14_LuisBolinches_GPFSUG.pdf
Slide 15 and KC
org"
Date: 11/11/2020 23:36
Subject: [EXTERNAL] [gpfsug-discuss] Poor client performance with
high cpu usage of mmfsd process
Sent by:gpfsug-discuss-boun...@spectrumscale.org
We regularly run into performance issues on our clients where the client
seems to hang when acc
We regularly run into performance issues on our clients where the client seems
to hang when accessing any gpfs mount, even something simple like a ls could
take a few minutes to complete. This affects every gpfs mount on the client,
but other clients are working just fine. Also the mmfsd
