Messages in this thread |  | | Date | Sun, 6 Jan 2013 13:01:29 +0100 | From | Willy Tarreau <> | Subject | Re: Major network performance regression in 3.7 |
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On Sun, Jan 06, 2013 at 11:25:25AM +0100, Willy Tarreau wrote: > OK good news here, the performance drop on the myri was caused by a > problem between the keyboard and the chair. After the reboot series, > I forgot to reload the firmware so the driver used the less efficient > firmware from the NIC (it performs just as if LRO is disabled). > > That makes me think that I should try 3.8-rc2 since LRO was removed > there :-/
Just for the record, I tested 3.8-rc2, and the myri works as fast with GRO there as it used to work with LRO in previous kernels. The softirq work has increased from 26 to 48% but there is no performance drop when using GRO anymore. Andrew has done a good job !
Willy
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