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Re: [Qemu-devel] Migration ToDo list
From: |
Orit Wasserman |
Subject: |
Re: [Qemu-devel] Migration ToDo list |
Date: |
Tue, 13 Nov 2012 18:40:54 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:16.0) Gecko/20121016 Thunderbird/16.0.1 |
On 11/13/2012 06:18 PM, Juan Quintela wrote:
>
> Hi
>
> If you have anything else to put, please add.
>
> Migration Thread
> * Plan is integrate it as one of first thing in December (me)
> * Remove copies with buffered file (me)
>
> Bitmap Optimization
> * Finish moving to individual bitmaps for migration/vga/code
> * Make sure we don't copy things around
> * Shared memory bitmap with kvm?
> * Move to 2MB pages bitmap and then fine grain?
>
> QIDL
> * Review the patches (me)
>
> PostCopy
> * Review patches?
> * See what we can already integrate?
> I remember for last year that we could integrate the 1st third or so
>
> RDMA
> * Send RDMA/tcp/.... library they already have (Benoit)
Use RDS (Reliable Datagram Sockets), which allows us to use the same API
when using tcp or RDMA (me)
> * This is required for postcopy
> * This can be used for precopy
>
> General
> * Change protocol to:
> a) being always 16byte aligned (paolo said that is faster)
> b) do scatter/gather of the pages?
>
> Fault Tolerance
> * That is built on top of migration code, but I have nothing to add.
>
> Any more ideas?
copyless networking - maybe use virtio zero copy mechanism? (me)
EPT/NPT dirty bits (will make the sync more expensive but will improve guest
performance)
Regards,
Orit
>
> Later, Juan.
>
Re: [Qemu-devel] Migration ToDo list,
Orit Wasserman <=
Re: [Qemu-devel] Migration ToDo list, Chegu Vinod, 2012/11/13