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From: | Stefan Priebe |
Subject: | Re: [Qemu-devel] setting migrate_downtime results in halted vm (qemu 1.3) |
Date: | Fri, 28 Dec 2012 20:03:56 +0100 |
User-agent: | Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/17.0 Thunderbird/17.0 |
Hi Paolo, Am 28.12.2012 18:53, schrieb Paolo Bonzini:
Il 28/12/2012 08:05, Alexandre DERUMIER ha scritto:Hi list, After discuss with Stefan Yesterday here some more info: (this is for stable qemu 1.3, it was working fine with qemu 1.2) The problem seem that whesettings a migrate_set_downtime to 1sec, the transfert of the vm seem to send all the memory of the vm in 1 step, and not by increment. So the downtime is really huge , 90000ms for 1GB memory.Can you try commit bde54c08b4854aceee3dee25121a2b835cb81166?
i cherry picked that one on top of 1.3 sadly it does not help. VM halts, monitor socket is no longer available kvm process is running with 100% CPU on source side.
Greets, Stefan
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