Re: migrate_set_downtime bug

[Glauber Costa]

On Mon, Oct 05, 2009 at 02:17:30PM +0200, Avi Kivity wrote:
> On 09/30/2009 08:41 PM, Dietmar Maurer wrote:
>>
>> I just think of common scenarios like 'maintanace mode', where all VM should 
>> migrate to another host. A endless migrate task can make that fail.
>>
>> For me, it is totally unclear what value I should set for 'max_downtime' to 
>> avoid that behavior?
>>
>>    
>
> We used to have a heuristic that said 'if an iteration transfers more  
> pages than the previous iteration, we've stopped converging'.  Why  
> wouldn't that work?
Because it seems people agreed that mgmt tools would be the place for those 
heuristics.
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