Re: [Xen-devel] increasing the number of guests (NR_DYNIRQS)

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 20/02/2010 11:54, "Tim Post" <echo@xxxxxxxxxxxx> wrote:

>> #define NR_DYNIRQS           1024
>> 
>> (it defaults to 256)
> 
> I've done the same thing several times without breaking anything. What I
> could not see is how much more expensive 1024 is than 256. Like you, I
> had hosts with guests way north of 200 that did very little, so ...

Yeah, could even just change to 1024 statically. I don't think it's very
expensive.

 -- Keir



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