Re: [Qemu-devel] [RFC PATCH v2] Throttle-down guest when live migration does not converge.

2013-04-30 Thread Chegu Vinod
On 4/30/2013 8:04 AM, Orit Wasserman wrote: On 04/27/2013 11:50 PM, 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 be

Re: [Qemu-devel] [RFC PATCH v2] Throttle-down guest when live migration does not converge.

2013-04-30 Thread Chegu Vinod
On 4/30/2013 9:01 AM, Juan Quintela wrote: Chegu Vinod wrote: On 4/30/2013 8:20 AM, Juan Quintela wrote: (qemu) info migrate capabilities: xbzrle: off auto-converge: off < Migration status: active total time: 1487503 milliseconds 148 seconds 1487 seconds and still the Migration is not c

Re: [Qemu-devel] [RFC PATCH v2] Throttle-down guest when live migration does not converge.

2013-04-30 Thread Chegu Vinod
On 4/30/2013 8:20 AM, Juan Quintela 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 mi

Re: [Qemu-devel] [RFC PATCH v2] Throttle-down guest when live migration does not converge.

2013-04-30 Thread Juan Quintela
Chegu Vinod wrote: > On 4/30/2013 8:20 AM, Juan Quintela wrote: >>> >>> (qemu) info migrate >>> capabilities: xbzrle: off auto-converge: off < >>> Migration status: active >>> total time: 1487503 milliseconds >> 148 seconds > > 1487 seconds and still the Migration is not completed. > >> >>> e

Re: [Qemu-devel] [RFC PATCH v2] Throttle-down guest when live migration does not converge.

2013-04-30 Thread Juan Quintela
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 does NOT converge. > > A few o

Re: [Qemu-devel] [RFC PATCH v2] Throttle-down guest when live migration does not converge.

2013-04-30 Thread Orit Wasserman
On 04/27/2013 11:50 PM, 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 does NO

Re: [Qemu-devel] [RFC PATCH v2] Throttle-down guest when live migration does not converge.

2013-04-29 Thread Chegu Vinod
On 4/29/2013 7:53 AM, Eric Blake wrote: On 04/27/2013 02:50 PM, 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 betwee

Re: [Qemu-devel] [RFC PATCH v2] Throttle-down guest when live migration does not converge.

2013-04-29 Thread Eric Blake
On 04/27/2013 02:50 PM, 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 does NO

[Qemu-devel] [RFC PATCH v2] Throttle-down guest when live migration does not converge.

2013-04-27 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 does NOT converge. A few options that were discussed/bein