From: Anthony Liguori <anthony@codemonkey.ws>
To: Dietmar Maurer <dietmar@proxmox.com>
Cc: kvm <kvm@vger.kernel.org>, Glauber Costa <glommer@redhat.com>
Subject: Re: migrate_set_downtime bug
Date: Tue, 29 Sep 2009 10:39:57 -0500 [thread overview]
Message-ID: <4AC22A4D.5060805@codemonkey.ws> (raw)
In-Reply-To: <90D306BE6EBC8D428A824FBBA7A3113DFDCDF179@ronja.maurer-it.com>
Dietmar Maurer wrote:
> this patch solves the problem by calculation an average bandwidth.
>
Can you take a look Glauber?
Regards,
Anthony Liguori
> - Dietmar
>
>
>> -----Original Message-----
>> From: kvm-owner@vger.kernel.org [mailto:kvm-owner@vger.kernel.org] On
>> Behalf Of Dietmar Maurer
>> Sent: Dienstag, 29. September 2009 16:37
>> To: kvm
>> Subject: RE: migrate_set_downtime bug
>>
>> Seems the bwidth calculation is the problem. The code simply does:
>>
>> bwidth = (bytes_transferred - bytes_transferred_last) / timediff
>>
>> but I assume network traffic is buffered, so calculated bwidth is
>> sometimes much too high.
>>
>>
next prev parent reply other threads:[~2009-09-29 15:39 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-29 13:00 migrate_set_downtime bug Dietmar Maurer
2009-09-29 14:36 ` Dietmar Maurer
2009-09-29 15:09 ` Dietmar Maurer
2009-09-29 15:39 ` Anthony Liguori [this message]
2009-09-29 16:23 ` Glauber Costa
2009-09-29 16:36 ` Dietmar Maurer
2009-09-30 4:48 ` Glauber Costa
2009-09-30 6:58 ` Dietmar Maurer
2009-09-30 8:55 ` Dietmar Maurer
2009-09-30 11:23 ` Glauber Costa
2009-09-30 14:11 ` Dietmar Maurer
2009-09-30 16:39 ` Glauber Costa
2009-09-30 18:41 ` Dietmar Maurer
2009-10-05 12:17 ` Avi Kivity
2009-10-05 13:04 ` Glauber Costa
2009-10-05 13:17 ` Avi Kivity
2009-10-05 14:09 ` Dietmar Maurer
2009-10-05 15:32 ` Glauber Costa
2009-10-06 8:30 ` Dietmar Maurer
2009-10-06 17:33 ` Glauber Costa
2009-10-07 4:42 ` Dietmar Maurer
2009-10-07 12:32 ` Glauber Costa
2009-10-07 19:40 ` Dietmar Maurer
2009-10-05 14:01 ` Dietmar Maurer
2009-10-05 14:06 ` Avi Kivity
2009-10-05 14:08 ` Dietmar Maurer
2009-10-05 14:15 ` Avi Kivity
2009-10-05 14:11 ` Dietmar Maurer
2009-10-05 14:18 ` Dietmar Maurer
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