Re: [E1000-devel] Performance deterioration under load - 82599EB

2011-03-24 Thread Tantilov, Emil S
>-Original Message- >From: Sanjay Rao [mailto:s...@verisign.com] >Sent: Thursday, March 24, 2011 2:56 PM >To: Tantilov, Emil S >Cc: e1000-devel@lists.sourceforge.net >Subject: Re: Performance deterioration under load - 82599EB > > >>> Under load, doing a ifconfig ethX down and up brings dow

Re: [E1000-devel] Performance deterioration under load - 82599EB

2011-03-24 Thread Sanjay Rao
>> Under load, doing a ifconfig ethX down and up brings down the performance >> of >> the NIC to 1/1000th of the initial number. >> >> > Could you provide more detail about the type of traffic you were running? > > After the reset is the interface operational at all - i.e. is the performance > de

Re: [E1000-devel] Performance deterioration under load - 82599EB

2011-03-23 Thread Tantilov, Emil S
>-Original Message- >From: Rao, Sanjay [mailto:s...@verisign.com] >Sent: Wednesday, March 23, 2011 6:15 AM >To: e1000-devel@lists.sourceforge.net >Subject: [E1000-devel] Performance deterioration under load - 82599EB > >Under load, doing a ifconfig ethX down a

[E1000-devel] Performance deterioration under load - 82599EB

2011-03-23 Thread Rao, Sanjay
Under load, doing a ifconfig ethX down and up brings down the performance of the NIC to 1/1000th of the initial number. $ /sbin/ethtool -i eth6 driver: ixgbe version: 3.2.10-NAPI firmware-version: 0.9-3 bus-info: :04:00.1 $ lspci -vv -s :04:00.0 04:00.0 Ethernet controller: Intel Corpo