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[Openstack] live_migration only using 8 Mb speed


On 18-08-22 00:27:08, Satish Patel wrote:
> Folks,
> 
> I am running openstack queens and hypervisor is kvm, my live migration
> working fine. but somehow it stuck to 8 Mb network speed and taking
> long time to migrate 1G instance.  I have 10Gbps network and i have
> tried to copy 10G file between two compute node and it did copy in 2
> minute, so i am not seeing any network issue also.
> 
> it seem live_migration has some bandwidth limit, I have tried
> following option in nova.conf but it didn't work
> 
> live_migration_bandwidth = 500
> 
> My nova.conf look like following:
> 
> live_migration_uri =
> "qemu+ssh://nova@%s/system?no_verify=1&keyfile=/var/lib/nova/.ssh/id_rsa"
> live_migration_tunnelled = True
> live_migration_bandwidth = 500
> hw_disk_discard = unmap
> disk_cachemodes = network=writeback
> 

Do you have a this patch (and a couple of patches up to it)?
https://bugs.launchpad.net/nova/+bug/1786346

-- 
Matthew Thode (prometheanfire)
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