Re: [Nbd] NBD using SDP

[Wouter Verhelst <w@...112...>]

On Tue, Oct 16, 2007 at 07:38:59AM -0500, John Leidel wrote:
> The patches essentially allow one to take advantage of the transport
> layer RDMA capabilities of the fabric medium using the OpenFabrics
> software stack.  The most common transport fabric is Infiniband,
> although Chelsio 10GbE cards also support the protocol.
> 
> You'll probably see the most benefit when using fairly large block sizes
> as the transfer mechanisms in OpenFabrics tend to favor large messages
> [although, they are building in better support for smaller messages].
> I'm not sure what to expect if you mount swap in this manner.  It would
> either give you quite a performance boost, or completely hose up the
> swap.      
> 
> A more complete discussion on SDP is here: 
> http://en.wikipedia.org/wiki/Sockets_Direct_Protocol
> 
> and here

I think you forgot to paste in a link here.

Anyway, yeah, that sounds like something useful; I'll probably integrate
this into nbd, provided I can (at the very least) get it to compile and
make it a runtime configurable option or so.

-- 
<Lo-lan-do> Home is where you have to wash the dishes.
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