Re: limited network bandwidth with 3.2.x kernels

David Miller
2012-02-27T19:39:33Z

From: Neal Cardwell <ncardwell@google.com>
Date: Thu, 23 Feb 2012 13:39:00 -0500

> If we wanted a larger sample of truesize/len ratios, perhaps we'd want
> some sort of exponentially weighted moving average of skb->truesize
> and skb->len, or the ratio of the two. That could give us a larger
> sample even for well-behaved apps that keep their read queues short.
> But that is starting to seem like it's perhaps overkill.

I don't think it's overkill at all.

And I would do it per-device only on MSS or larger frames using
extremely coarse units to avoid flaps and encorage quick convergance.