netdev - RE: TCP reaching to maximum throughput after a long time

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Date:	Tue, 12 Apr 2016 19:31:48 +0000
From:	"Machani, Yaniv" <yanivma@...com>
To:	Ben Greear <greearb@...delatech.com>,
	netdev <netdev@...r.kernel.org>
CC:	Eric Dumazet <eric.dumazet@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Neal Cardwell <ncardwell@...gle.com>,
	Yuchung Cheng <ycheng@...gle.com>,
	Nandita Dukkipati <nanditad@...gle.com>,
	open list <linux-kernel@...r.kernel.org>,
	"Kama, Meirav" <meiravk@...com>
Subject: RE: TCP reaching to maximum throughput after a long time

On Tue, Apr 12, 2016 at 18:04:52, Ben Greear wrote:
> On 04/12/2016 07:52 AM, Eric Dumazet wrote:
> > On Tue, 2016-04-12 at 12:17 +0000, Machani, Yaniv wrote:
>>>
> 
> If you are using 'Cubic' TCP congestion control, then please try 
> something different.
> It was broken last I checked, at least when used with the ath10k driver.
> 

Thanks Ben, this indeed seems to be the issue !
Switching to reno got me to max throughput instantly.

I'm still looking through the thread you have shared, but from what I understand there is no planned fix for it ?

--
Thanks,
Yaniv