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Re: [Qemu-devel] [RFC PATCH RDMA support v1: 10/13] introduce new comman
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [RFC PATCH RDMA support v1: 10/13] introduce new command migrate_check_for_zero |
Date: |
Thu, 11 Apr 2013 17:45:36 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130311 Thunderbird/17.0.4 |
Il 11/04/2013 17:35, Michael R. Hines ha scritto:
> Nevertheless, the initial "burst" of the bulk phase round is still
> important to optimize, and I would like to know if the maintainer
> would accept this API for disabling the scan or not
I'm not a maintainer, but every opinion counts... and my opinion is "not
yet". Maybe for 1.6, and only after someone else tried it out. That's
why it's important to merge the code early.
> We think it's important because the total migration time can be much
> smaller with high-throughput RDMA links by optimizing the bulk-phase
> round and that lower total migration time is very valuable to many of
> our workloads, in addition to the low-downtime benefits you get with
> RDMA.
>
> I have expensive numbers only for the bulk phase round. Other than that,
> I would be breaking confidentiality outside of the paper we have already
> published.
Fair enough.
Paolo
- Re: [Qemu-devel] [RFC PATCH RDMA support v1: 10/13] introduce new command migrate_check_for_zero, (continued)
- Re: [Qemu-devel] [RFC PATCH RDMA support v1: 10/13] introduce new command migrate_check_for_zero, Michael R. Hines, 2013/04/11
- Re: [Qemu-devel] [RFC PATCH RDMA support v1: 10/13] introduce new command migrate_check_for_zero, Paolo Bonzini, 2013/04/11
- Re: [Qemu-devel] [RFC PATCH RDMA support v1: 10/13] introduce new command migrate_check_for_zero, Michael S. Tsirkin, 2013/04/11
- Re: [Qemu-devel] [RFC PATCH RDMA support v1: 10/13] introduce new command migrate_check_for_zero, Michael R. Hines, 2013/04/11
- Re: [Qemu-devel] [RFC PATCH RDMA support v1: 10/13] introduce new command migrate_check_for_zero, Michael S. Tsirkin, 2013/04/11
- Re: [Qemu-devel] [RFC PATCH RDMA support v1: 10/13] introduce new command migrate_check_for_zero, Paolo Bonzini, 2013/04/11
- Re: [Qemu-devel] [RFC PATCH RDMA support v1: 10/13] introduce new command migrate_check_for_zero, Michael R. Hines, 2013/04/11
- Re: [Qemu-devel] [RFC PATCH RDMA support v1: 10/13] introduce new command migrate_check_for_zero,
Paolo Bonzini <=
- Re: [Qemu-devel] [RFC PATCH RDMA support v1: 10/13] introduce new command migrate_check_for_zero, Michael R. Hines, 2013/04/11
- Re: [Qemu-devel] [RFC PATCH RDMA support v1: 10/13] introduce new command migrate_check_for_zero, Paolo Bonzini, 2013/04/11
- Re: [Qemu-devel] [RFC PATCH RDMA support v1: 10/13] introduce new command migrate_check_for_zero, Eric Blake, 2013/04/11
- Re: [Qemu-devel] [RFC PATCH RDMA support v1: 10/13] introduce new command migrate_check_for_zero, Michael R. Hines, 2013/04/11
- Re: [Qemu-devel] [RFC PATCH RDMA support v1: 10/13] introduce new command migrate_check_for_zero, Eric Blake, 2013/04/11
[Qemu-devel] [RFC PATCH RDMA support v1: 11/13] send pc.ram over RDMA, mrhines, 2013/04/10
[Qemu-devel] [RFC PATCH RDMA support v1: 12/13] updated protocol documentation, mrhines, 2013/04/10