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Re: [Qemu-devel] help for code

From: Stefan Hajnoczi
Subject: Re: [Qemu-devel] help for code
Date: Tue, 18 Apr 2017 15:52:00 +0100
User-agent: Mutt/1.8.0 (2017-02-23)

On Wed, Apr 12, 2017 at 04:36:58PM +0430, ali saeedi wrote:
> I am new in qemu vm live migration. why we have this condition
> "current_time >= initial_time + BUFFER_DELAY" in qemu?

BUFFER_DELAY is used for rate-limiting.  The maximum network throughput
can be set by the user so that QEMU doesn't hog the network link.

Rate-limit calculations are done every BUFFER_DELAY time interval.


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