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Re: [Qemu-devel] [PATCH 05/10] migration: Fix the migrate auto converge
Re: [Qemu-devel] [PATCH 05/10] migration: Fix the migrate auto converge process
Tue, 11 Mar 2014 14:55:18 -0600
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On 03/11/2014 02:48 PM, Juan Quintela wrote:
> <address@hidden> wrote:
>> From: ChenLiang <address@hidden>
>> It is inaccuracy and complex that using the transfer speed of
>> migration thread to determine whether the convergence migration.
>> The dirty page may be compressed by XBZRLE or ZERO_PAGE.The counter
>> of updating dirty bitmap will be increasing continuously if the
>> migration can't convergence.
> "It is inexact and complex to use the migration transfer speed to
> dectermine weather the convergence of migration."
or even better (plus spelling fixes):
determine whether migration is converging
>> @@ -530,21 +523,11 @@ static void migration_bitmap_sync(void)
>> /* more than 1 second = 1000 millisecons */
Pre-existing, but as long as you are touching this area of code:
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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