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https://issues.apache.org/jira/browse/CLOUDSTACK-6203?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13921264#comment-13921264
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ASF subversion and git services commented on CLOUDSTACK-6203:
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Commit e5449e29c9bdc03c93fe8eb361f32878c9a1b980 in cloudstack's branch
refs/heads/master from [~mlsorensen]
[ https://git-wip-us.apache.org/repos/asf?p=cloudstack.git;h=e5449e2 ]
CLOUDSTACK-6203: KVM Migration fixes. Moved migration to a thread
so we can monitor it and potentially take action to make migration
complete if admin has defined such.
> 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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