Re: [RFC] smt-aware rt load balancer

From: Peter Zijlstra
Date: Thu Sep 04 2014 - 11:40:56 EST


On Thu, Sep 04, 2014 at 04:20:06PM +0400, Roman Gushchin wrote:
> Hello!
>
> We had an earlier discussion about using real-time policies on modern CPUs
> for cpu-bound tasks with "near real-time" execution time expectations (like front-end servers):
> https://lkml.org/lkml/2014/4/24/602 .
>
> I sad, that I had a prototype of real-time load balancer (called smart), that performs well in this case.
>
> Now it's ready to be published.
>
> The patch set on top of the 3.10.x branch can be found here:
> https://github.com/yandex/smart .
>
> It's stable.
> We use them in production for a couple of months on more than thousand machines.
> We get noticeable performance increase for many projects with different load patterns
> (up to 10-15% in both RPS and latency).
>
> Any feedback, comments, questions are welcome!

-ENOPATCH
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/