From: Eric Dumazet <eric.dumazet@gmail.com>
To: David Miller <davem@davemloft.net>
Cc: nanditad@google.com, netdev@vger.kernel.org, ycheng@google.com,
codel@lists.bufferbloat.net, mattmathis@google.com,
ncardwell@google.com
Subject: Re: [Codel] [RFC PATCH] tcp: limit data skbs in qdisc layer
Date: Mon, 09 Jul 2012 10:03:56 +0200 [thread overview]
Message-ID: <1341821036.3265.2161.camel@edumazet-glaptop> (raw)
In-Reply-To: <20120709.000834.1182150057463599677.davem@davemloft.net>
On Mon, 2012-07-09 at 00:08 -0700, David Miller wrote:
> I'm suspicious and anticipate that 10G will need more queueing than
> you are able to get away with tg3 at 1G speeds. But it is an exciting
> idea nonetheless :-)
I tested the patch on 10G NIC and had no problem on netperf tests.
Only that ixgbe is not yet BQL enabled so I could not add
skb_try_orphan() in its start_xmit() : So if TX completion is a bit
delayed, we can have a throughput slowdown.
I added a /proc/sys/net/ipv4/tcp_limit_output_segs to play with various
limits.
next prev parent reply other threads:[~2012-07-09 8:04 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-28 17:07 [Codel] [PATCH net-next] fq_codel: report congestion notification at enqueue time Eric Dumazet
2012-06-28 17:51 ` Dave Taht
2012-06-28 18:12 ` Eric Dumazet
2012-06-28 22:56 ` Yuchung Cheng
2012-06-28 23:47 ` Dave Taht
2012-06-29 4:50 ` Eric Dumazet
2012-06-29 5:24 ` Dave Taht
2012-07-04 10:11 ` [Codel] [RFC PATCH] tcp: limit data skbs in qdisc layer Eric Dumazet
2012-07-09 7:08 ` David Miller
2012-07-09 8:03 ` Eric Dumazet [this message]
2012-07-09 8:48 ` Eric Dumazet
2012-07-09 14:55 ` Eric Dumazet
2012-07-10 13:28 ` Lin Ming
2012-07-10 15:13 ` [Codel] [RFC PATCH v2] tcp: TCP Small Queues Eric Dumazet
2012-07-10 17:06 ` Eric Dumazet
2012-07-10 17:37 ` Yuchung Cheng
2012-07-10 18:32 ` Eric Dumazet
2012-07-11 15:11 ` Eric Dumazet
2012-07-11 15:16 ` Ben Greear
2012-07-11 15:25 ` Eric Dumazet
2012-07-11 15:43 ` Ben Greear
2012-07-11 15:54 ` Eric Dumazet
2012-07-11 16:03 ` Ben Greear
2012-07-11 18:23 ` Rick Jones
2012-07-11 23:38 ` Eric Dumazet
2012-07-11 18:44 ` Rick Jones
2012-07-11 23:49 ` Eric Dumazet
2012-07-12 7:34 ` Eric Dumazet
2012-07-12 7:37 ` David Miller
2012-07-12 7:51 ` Eric Dumazet
2012-07-12 14:55 ` Tom Herbert
2012-07-12 13:33 ` John Heffner
2012-07-12 13:46 ` Eric Dumazet
2012-07-12 16:44 ` John Heffner
2012-07-12 16:54 ` Jim Gettys
2012-06-28 23:52 ` [Codel] [PATCH net-next] fq_codel: report congestion notification at enqueue time Nandita Dukkipati
2012-06-29 4:18 ` Eric Dumazet
2012-06-29 4:53 ` Eric Dumazet
2012-06-29 5:12 ` David Miller
2012-06-29 5:24 ` Eric Dumazet
2012-06-29 5:29 ` David Miller
2012-06-29 5:50 ` Eric Dumazet
2012-06-29 7:53 ` David Miller
2012-06-29 8:04 ` David Miller
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