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Re: [PATCH v2 01/10] migration: Increase default number of multifd chann
Daniel P . Berrangé
Re: [PATCH v2 01/10] migration: Increase default number of multifd channels to 16
Fri, 3 Jan 2020 16:58:32 +0000
On Wed, Dec 18, 2019 at 03:01:10AM +0100, Juan Quintela wrote:
> We can scale much better with 16, so we can scale to higher numbers.
What was the test scenario showing such scaling ?
In the real world I'm sceptical that virt hosts will have
16 otherwise idle CPU cores available that are permissible
to use for migration, or indeed whether they'll have network
bandwidth available to allow 16 cores to saturate the link.
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Re: [PATCH v2 01/10] migration: Increase default number of multifd channels to 16, Daniel P . Berrangé, 2020/01/03