Change in vdsm[master]: vm: migration: exponential downtime increment

fromani at redhat.com fromani at redhat.com
Wed Sep 10 09:42:46 UTC 2014


Francesco Romani has posted comments on this change.

Change subject: vm: migration: exponential downtime increment
......................................................................


Patch Set 7: Verified+1

Re-verified running a migration in the following scenario:

- patched VDSM
- set vars.migration_max_time_per_gib_mem = 0
- runned 'stress -v -m X' inside the VM to have memory stress
- performed migration

expected output:

GENji> 11:38:59 root [~]$ grep -i Downtime /var/log/vdsm//vdsm.log
Thread-39::DEBUG::2014-09-10 11:34:15,209::migration::383::vm.Vm::(run) vmId=`56d1c657-dd76-4609-a207-c050699be5be`::migration downtime thread started
Thread-39::DEBUG::2014-09-10 11:34:45,210::migration::392::vm.Vm::(run) vmId=`56d1c657-dd76-4609-a207-c050699be5be`::setting migration downtime to 51
Thread-39::DEBUG::2014-09-10 11:35:15,213::migration::392::vm.Vm::(run) vmId=`56d1c657-dd76-4609-a207-c050699be5be`::setting migration downtime to 53
Thread-39::DEBUG::2014-09-10 11:35:45,216::migration::392::vm.Vm::(run) vmId=`56d1c657-dd76-4609-a207-c050699be5be`::setting migration downtime to 56
Thread-39::DEBUG::2014-09-10 11:36:15,219::migration::392::vm.Vm::(run) vmId=`56d1c657-dd76-4609-a207-c050699be5be`::setting migration downtime to 61
Thread-39::DEBUG::2014-09-10 11:36:45,221::migration::392::vm.Vm::(run) vmId=`56d1c657-dd76-4609-a207-c050699be5be`::setting migration downtime to 71
Thread-39::DEBUG::2014-09-10 11:37:15,224::migration::392::vm.Vm::(run) vmId=`56d1c657-dd76-4609-a207-c050699be5be`::setting migration downtime to 89
Thread-39::DEBUG::2014-09-10 11:37:45,227::migration::392::vm.Vm::(run) vmId=`56d1c657-dd76-4609-a207-c050699be5be`::setting migration downtime to 121
Thread-39::DEBUG::2014-09-10 11:38:15,230::migration::392::vm.Vm::(run) vmId=`56d1c657-dd76-4609-a207-c050699be5be`::setting migration downtime to 182
Thread-39::DEBUG::2014-09-10 11:38:45,232::migration::392::vm.Vm::(run) vmId=`56d1c657-dd76-4609-a207-c050699be5be`::setting migration downtime to 294
Thread-39::DEBUG::2014-09-10 11:39:15,235::migration::392::vm.Vm::(run) vmId=`56d1c657-dd76-4609-a207-c050699be5be`::setting migration downtime to 499
Thread-39::DEBUG::2014-09-10 11:39:15,238::migration::395::vm.Vm::(run) vmId=`56d1c657-dd76-4609-a207-c050699be5be`::migration downtime thread exiting

- migration eventually was detected as stuck and aborted, but that's OK here.

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Gerrit-MessageType: comment
Gerrit-Change-Id: I6401772f52ea28144452e67198bddff18f6703eb
Gerrit-PatchSet: 7
Gerrit-Project: vdsm
Gerrit-Branch: master
Gerrit-Owner: Francesco Romani <fromani at redhat.com>
Gerrit-Reviewer: Dan Kenigsberg <danken at redhat.com>
Gerrit-Reviewer: Francesco Romani <fromani at redhat.com>
Gerrit-Reviewer: Michal Skrivanek <michal.skrivanek at redhat.com>
Gerrit-Reviewer: Vinzenz Feenstra <vfeenstr at redhat.com>
Gerrit-Reviewer: automation at ovirt.org
Gerrit-Reviewer: oVirt Jenkins CI Server
Gerrit-HasComments: No


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