From: Rick Jones <rick.jones2@hpe.com>
To: Otto Sabart <osabart@redhat.com>,
Alexander Duyck <alexander.duyck@gmail.com>
Cc: netdev@vger.kernel.org,
Jeff Kirsher <jeffrey.t.kirsher@intel.com>,
Jirka Hladky <jhladky@redhat.com>,
Adam Okuliar <aokuliar@redhat.com>,
Kamil Kolakowski <kkolakow@redhat.com>,
"e1000-devel@lists.sourceforge.net"
<e1000-devel@lists.sourceforge.net>
Subject: Re: [BUG] net: performance regression on ixgbe (Intel 82599EB 10-Gigabit NIC)
Date: Mon, 7 Dec 2015 10:25:07 -0800 [thread overview]
Message-ID: <5665CF03.3030606@hpe.com> (raw)
In-Reply-To: <20151207112837.GA14417@redhat.com>
On 12/07/2015 03:28 AM, Otto Sabart wrote:
>> Hi Ota,
>>
>> It looks like there were a few changes that went through that could be
>> causing the regression. The most obvious one that jumps out at me is commit
>> 72bfd32d2f84 ("ixgbe: disable LRO by default"). As such one thing you might
>> try doing is turning on LRO support via ethtool -k to see if that is the
>> issue you are seeing.
>>
>
> Hi Alex,
> enabling LRO resolved the problem.
So you had the same NIC and CPUs and whatnot on both sides?
rick jones
next prev parent reply other threads:[~2015-12-07 18:25 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-03 16:26 [BUG] net: performance regression on ixgbe (Intel 82599EB 10-Gigabit NIC) Otto Sabart
2015-12-03 17:15 ` Alexander Duyck
2015-12-07 11:28 ` Otto Sabart
2015-12-07 18:25 ` Rick Jones [this message]
2015-12-04 18:13 ` Rick Jones
2015-12-10 14:18 ` Otto Sabart
2015-12-10 17:49 ` Rick Jones
2015-12-04 21:31 ` Rustad, Mark D
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