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On 5/23/13 12:12 PM, daryl herzmann wrote:
> Thanks, it appears this is the relevant bug?
>
> https://bugzilla.redhat.com/show_bug.cgi?id=854066
Yep, that's it. Should be in the kernel you are running.
>
> 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...
Did it get worse, or just no better?
Are you able to do iptables NAT instead to see if that makes a
difference, or perhaps put a http proxy in the middle? If nothing else,
just as a test. What about going direct to a http server - Does that
have better throughput?
David
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