[Lustre-discuss] Lustre with 10GbE or Infiniband?

[Scott Atchley]

On Feb 12, 2009, at 12:29 AM, Isaac Huang wrote:

> On Wed, Feb 11, 2009 at 04:35:47PM -0500, Scott Atchley wrote:
>> ......
>> SOCKLND is limited by a copy on the receive side. When a client
>> writes, the server has to copy the data out. When a client reads, it
>> ......
>
> One exception is SOCKLND on Chelsio's T3, quote:
>
> "The T3 ASIC uses the mechanism of Direct Data Placement (DDP)  that
> provides a flexible zero copy on receive capability for regular TCP
> connections, requiring no changes to the sender, the wire protocol, or
> the socket API on sending or the receiving side."
>
> I remembered that a small SOCKLND fix was landed recently to make use
> of this zero copy receive capability.
>
> Isaac

Interesting. Is this code available yet?

Scott