Marcus Sorensen created CLOUDSTACK-6203:
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Summary: KVM live migration improvement
Key: CLOUDSTACK-6203
URL: https://issues.apache.org/jira/browse/CLOUDSTACK-6203
Project: CloudStack
Issue Type: Improvement
Security Level: Public (Anyone can view this level - this is the default.)
Components: KVM
Reporter: Marcus Sorensen
Assignee: Marcus Sorensen
Fix For: 4.4.0
Run the KVM live migration in a thread so we can monitor it. This will allow us
to see how long migrations are taking and do things like pause the vm if
migration is stalling (per user defined time limit) to quickly complete
migration, or set the domain's max downtime during cut-over between machines
(higher values make migration of busy vms easier, lower values may make
migration stall). In the future we can add the autoconvergence flag that
stalls VMs for a few ticks to allow memory copy to catch up, but it will be
awhile before libvirt that's shipped in a distro supports it, so these tunables
may be useful now.
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