Re: [libvirt] [RFC PATCH] libvirt support to force convergence of live guest migration

2014-02-04 Thread Jiri Denemark
On Wed, Jan 29, 2014 at 08:34:58 -0800, Chegu Vinod wrote: On 1/29/2014 8:27 AM, Jim Fehlig wrote: Chegu Vinod wrote: Busy enterprise workloads hosted on large sized VM's tend to dirty memory faster than the transfer rate achieved via live guest migration. Despite some good recent

Re: [libvirt] [RFC PATCH] libvirt support to force convergence of live guest migration

2014-01-29 Thread Jim Fehlig
Chegu Vinod wrote: Busy enterprise workloads hosted on large sized VM's tend to dirty memory faster than the transfer rate achieved via live guest migration. Despite some good recent improvements ( using dedicated 10Gig NICs between hosts) the live migration may NOT converge. Recently

Re: [libvirt] [RFC PATCH] libvirt support to force convergence of live guest migration

2014-01-29 Thread Chegu Vinod
On 1/29/2014 8:27 AM, Jim Fehlig wrote: Chegu Vinod wrote: Busy enterprise workloads hosted on large sized VM's tend to dirty memory faster than the transfer rate achieved via live guest migration. Despite some good recent improvements ( using dedicated 10Gig NICs between hosts) the live

Re: [libvirt] [RFC PATCH] libvirt support to force convergence of live guest migration

2013-12-13 Thread Jiri Denemark
On Tue, Nov 26, 2013 at 12:31:12 -0800, Chegu Vinod wrote: On 11/26/2013 4:24 AM, Jiri Denemark wrote: On Thu, Nov 21, 2013 at 17:47:24 -0800, Chegu Vinod wrote: Busy enterprise workloads hosted on large sized VM's tend to dirty memory faster than the transfer rate achieved via live guest

Re: [libvirt] [RFC PATCH] libvirt support to force convergence of live guest migration

2013-11-26 Thread Jiri Denemark
On Thu, Nov 21, 2013 at 17:47:24 -0800, Chegu Vinod wrote: Busy enterprise workloads hosted on large sized VM's tend to dirty memory faster than the transfer rate achieved via live guest migration. Despite some good recent improvements ( using dedicated 10Gig NICs between hosts) the live

Re: [libvirt] [RFC PATCH] libvirt support to force convergence of live guest migration

2013-11-26 Thread Paolo Bonzini
Il 26/11/2013 13:24, Jiri Denemark ha scritto: Hmm, I know you are just following what I did with VIR_MIGRATE_COMPRESSED, but setting auto-converge on destination doesn't make any sense. And it doesn't even make a lot of sense to set compression on destination (other than checking the

Re: [libvirt] [RFC PATCH] libvirt support to force convergence of live guest migration

2013-11-26 Thread Chegu Vinod
On 11/26/2013 4:24 AM, Jiri Denemark wrote: On Thu, Nov 21, 2013 at 17:47:24 -0800, Chegu Vinod wrote: Busy enterprise workloads hosted on large sized VM's tend to dirty memory faster than the transfer rate achieved via live guest migration. Despite some good recent improvements ( using

[libvirt] [RFC PATCH] libvirt support to force convergence of live guest migration

2013-11-21 Thread Chegu Vinod
Busy enterprise workloads hosted on large sized VM's tend to dirty memory faster than the transfer rate achieved via live guest migration. Despite some good recent improvements ( using dedicated 10Gig NICs between hosts) the live migration may NOT converge. Recently support was added in qemu