netdev - Re: Drops in qdisc on ifb interface

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Message-ID: <1432835387.7456.23.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Thu, 28 May 2015 10:49:47 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	"jsullivan@...nsourcedevel.com" <jsullivan@...nsourcedevel.com>
Cc:	netdev@...r.kernel.org, John Fastabend <john.fastabend@...il.com>
Subject: Re: Drops in qdisc on ifb interface

On Thu, 2015-05-28 at 13:31 -0400, jsullivan@...nsourcedevel.com wrote:

> The overall product does but the video source feeds come over a different
> network via UDP. There are, however, RTMP quality control feeds coming across
> this connection.  There may also occasionally be test UDP source feeds on this
> connection but those are not production.  Thanks - John

This is important to know, because UDP wont benefit from GRO.

I was assuming your receiver had to handle ~88000 packets per second,
so I was doubting it could saturate one core,
but maybe your target is very different.



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