* [Qemu-devel] help for code
@ 2017-04-12 12:06 ali saeedi
2017-04-18 14:52 ` Stefan Hajnoczi
0 siblings, 1 reply; 2+ messages in thread
From: ali saeedi @ 2017-04-12 12:06 UTC (permalink / raw)
To: qemu-devel
Hi
I am new in qemu vm live migration. why we have this condition
"current_time >= initial_time + BUFFER_DELAY" in qemu?
thanks
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [Qemu-devel] help for code
2017-04-12 12:06 [Qemu-devel] help for code ali saeedi
@ 2017-04-18 14:52 ` Stefan Hajnoczi
0 siblings, 0 replies; 2+ messages in thread
From: Stefan Hajnoczi @ 2017-04-18 14:52 UTC (permalink / raw)
To: ali saeedi; +Cc: qemu-devel
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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.
Stefan
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2017-04-18 14:52 ` Stefan Hajnoczi
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