[pve-devel] [PATCH 3/3] add downtime && expected_downtime query-migrate info

Stefan Priebe s.priebe at profihost.ag
Thu Dec 27 13:00:47 CET 2012


Hi,
Am 27.12.2012 11:21, schrieb Alexandre DERUMIER:
>
>>> Sure you mean just the output in the web GUI?
> yes

Output with latest qemu-server and latest pve-qemu-kvm.

VM with 4GB Mem and 100MB used (totally IDLE):
Dec 27 12:55:46 starting migration of VM 105 to node 'cloud1-1203' 
(10.255.0.22)
Dec 27 12:55:46 copying disk images
Dec 27 12:55:46 starting VM 105 on remote node 'cloud1-1203'
Dec 27 12:55:48 starting migration tunnel
Dec 27 12:55:49 starting online/live migration on port 60000
Dec 27 12:55:49 migrate_set_speed: 8589934592
Dec 27 12:55:49 migrate_set_downtime: 1
Dec 27 12:55:51 migration speed: 1024.00 MB/s - downtime 1534 ms
Dec 27 12:55:51 migration status: completed
Dec 27 12:55:54 migration finished successfuly (duration 00:00:09)
TASK OK

The same again with 1GB Memory used (cached mem):
Dec 27 12:57:11 starting migration of VM 105 to node 'cloud1-1202' 
(10.255.0.20)
Dec 27 12:57:11 copying disk images
Dec 27 12:57:11 starting VM 105 on remote node 'cloud1-1202'
Dec 27 12:57:15 starting migration tunnel
Dec 27 12:57:15 starting online/live migration on port 60000
Dec 27 12:57:15 migrate_set_speed: 8589934592
Dec 27 12:57:15 migrate_set_downtime: 1
Dec 27 12:58:45 migration speed: 22.76 MB/s - downtime 90004 ms
Dec 27 12:58:45 migration status: completed
Dec 27 12:58:49 migration finished successfuly (duration 00:01:38)
TASK OK

VM was halted between and no output of stats where done as the monitor 
was blocked.

The same again with 1GB Memory and migrate_downtime set to 0.03 (cached 
mem):
Dec 27 13:00:19 starting migration of VM 105 to node 'cloud1-1203' 
(10.255.0.22)
Dec 27 13:00:19 copying disk images
Dec 27 13:00:19 starting VM 105 on remote node 'cloud1-1203'
Dec 27 13:00:22 starting migration tunnel
Dec 27 13:00:23 starting online/live migration on port 60000
Dec 27 13:00:23 migrate_set_speed: 8589934592
Dec 27 13:00:23 migrate_set_downtime: 0.03
Dec 27 13:00:25 migration status: active (transferred 404647386, 
remaining 680390656), total 2156265472) , expected downtime 190
Dec 27 13:00:27 migration status: active (transferred 880582320, 
remaining 203579392), total 2156265472) , expected downtime 53
Dec 27 13:00:29 migration speed: 341.33 MB/s - downtime 490 ms
Dec 27 13:00:29 migration status: completed
Dec 27 13:00:32 migration finished successfuly (duration 00:00:13)
TASK OK

Stefan



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