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Hi Maurice,
I have the same issue, and already read several other people noticing
the same. IIRC (sadly I do not find the mails anymore, I keep the list
only for one month) this may have something to do with log file noise,
setting them to 'warning' may help, see below for an example.
Since I observed high network IO with little no disk traffic, I suspect
the disk image is converted to RAW and compressed again; making oVirt
neartly unusable with multi terrabyte disk images (my test took about
3hs/TB).
Can someone clarify the export / template creation process?
Thanks,
Daniel
------
cat /etc/vdsm/logger.conf
[loggers]
keys=3Droot,vds,Storage,metadata,ovirt_hosted_engine_ha
[handlers]
keys=3Dconsole,syslog,logfile,metadata
[formatters]
keys=3Dlong,simple,none,sysform
[logger_root]
level=3DWARNING
handlers=3Dsyslog,logfile
propagate=3D0
[logger_vds]
level=3DWARNING
handlers=3Dsyslog,logfile
qualname=3Dvds
propagate=3D0
[logger_Storage]
level=3DWARNING
handlers=3Dlogfile
qualname=3DStorage
propagate=3D0
[logger_metadata]
level=3DWARNING
handlers=3Dmetadata
qualname=3Dirs.metadata
propagate=3D0
[logger_ovirt_hosted_engine_ha]
level=3DERROR
handlers=3D
qualname=3Dovirt_hosted_engine_ha
propagate=3D1
[handler_syslog]
level=3DWARNING
class=3Dhandlers.SysLogHandler
formatter=3Dsysform
args=3D('/dev/log', handlers.SysLogHandler.LOG_USER)
[handler_logfile]
class=3Dlogging.handlers.WatchedFileHandler
args=3D('/var/log/vdsm/vdsm.log',)
filters=3Dstorage.misc.TracebackRepeatFilter
level=3DWARNING
formatter=3Dlong
[handler_metadata]
class=3Dlogging.handlers.WatchedFileHandler
args=3D('/var/log/vdsm/metadata.log',)
level=3DWARNING
formatter=3Dlong
[handler_console]
class: StreamHandler
args: []
formatter: none
[formatter_simple]
format: %(name)s:%(levelname)s: %(message)s
[formatter_none]
format: %(message)s
[formatter_long]
format: %(threadName)s::%(levelname)s::%(asctime)s::%(module)s::
%(lineno)d::%(name)s::(%(funcName)s) %(message)s
[formatter_sysform]
format=3D vdsm %(name)s %(levelname)s %(message)s
datefmt=3D
On Do, 2014-06-26 at 21:14 -0400, Maurice James wrote:
Wow this is a new record for an action=20
Snapshot removal:=20
started at 18:31=20
finished at 21:02=20
50GB thin provisioned disk. Actual size 30GB=20
----- Original Message -----
=20
From: "Maurice James" <mjames(a)media-node.com>=20
To: "users" <users(a)ovirt.org>=20
Sent: Thursday, June 26, 2014 7:42:45 PM=20
Subject: [ovirt-users] Spam Latency=20
=20
I noticed that the following operations take way, way too long:=20
=20
Any type of import/export (VM, template. etc.)=20
Disk migration=20
Snapshot deletion=20
=20
These operations take over 60 minutes, most of the time pushing 90 minute=
s. I
know I don't have the fastest storage disks but wow, up to 90 minutes?=
.=20
My NFS storage is on a 4 disk RAID 5. 7200rpm disks. 2GBps network
connec=
tion.=20
=20
Specs:=20
Cluster of 4 Dell R420=20
Dual 6 core Xeon=20
32 GB Ram per server=20
4 500GB 7200 rpm disks RAID 5=20
=20
=20
=20
_______________________________________________=20
Users mailing list=20
Users(a)ovirt.org=20
http://lists.ovirt.org/mailman/listinfo/users=20
=20
_______________________________________________
Users mailing list
Users(a)ovirt.org
http://lists.ovirt.org/mailman/listinfo/users
--=20
Daniel Helgenberger=20
m box bewegtbild GmbH=20
P: +49/30/2408781-22
F: +49/30/2408781-10
ACKERSTR. 19=20
D-10115 BERLIN=20
www.m-box.de www.monkeymen.tv=20
Gesch=C3=A4ftsf=C3=BChrer: Martin Retschitzegger / Michaela G=C3=B6llner
Handeslregister: Amtsgericht Charlottenburg / HRB 112767=20
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