|
I seem to recall a nasty bug in the older broadcom driver that ignores
the gro=off setting!
I believe the latest driver should fix it.
On 23 May 2013 17:12, daryl herzmann <akrherz@xxxxxxxxxxx> wrote:
> On Thu, 23 May 2013, David Coulson wrote:
>
>>
>> On 5/23/13 11:04 AM, daryl herzmann wrote:
>>> Greetings,
>>>
>>> I have a LVS-NAT web cluster that seems to be nicely chugging along. My
>>> LVS director has the following specs:
>>>
>>> - Dell OptiPlex 745
>>> - Intel(R) Pentium(R) D CPU 3.40GHz
>>> - 4 GB Memory
>>> - BCM5754 Gigabit Ethernet PCI Express (two ports) [gro is disabled!]
>> I was told by RedHat the GRO issue is fixed in RHEL6.4 - Not had chance to
>> test it yet.
>
> Thanks, it appears this is the relevant bug?
>
> https://bugzilla.redhat.com/show_bug.cgi?id=854066
>
> I did a test of this:
>
> # ethtool -k eth1
> Features for eth1:
> rx-checksumming: on
> tx-checksumming: on
> scatter-gather: on
> tcp-segmentation-offload: on
> udp-fragmentation-offload: off
> generic-segmentation-offload: on
> generic-receive-offload: on
> large-receive-offload: off
> rx-vlan-offload: on
> tx-vlan-offload: on
> ntuple-filters: off
> receive-hashing: off
>
> and the problem did not appear to go away. The traffic through the
> director was extremely sluggish, so I failed back to having 'gro off',
> shrug...
>
> daryl
>
> _______________________________________________
> Please read the documentation before posting - it's available at:
> http://www.linuxvirtualserver.org/
>
> LinuxVirtualServer.org mailing list - lvs-users@xxxxxxxxxxxxxxxxxxxxxx
> Send requests to lvs-users-request@xxxxxxxxxxxxxxxxxxxxxx
> or go to http://lists.graemef.net/mailman/listinfo/lvs-users
--
Regards,
Malcolm Turnbull.
Loadbalancer.org Ltd.
Phone: +44 (0)870 443 8779
http://www.loadbalancer.org/
_______________________________________________
Please read the documentation before posting - it's available at:
http://www.linuxvirtualserver.org/
LinuxVirtualServer.org mailing list - lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Send requests to lvs-users-request@xxxxxxxxxxxxxxxxxxxxxx
or go to http://lists.graemef.net/mailman/listinfo/lvs-users
|
