[rds-devel] Re: RDS ACKs

Richard Frank richard.frank at oracle.com
Sun Nov 4 09:22:02 PST 2007


Or Gerlitz wrote:
> Richard Frank wrote:
>> Yes - RDS was designed to meet Oracle's IPC requirements and I assume 
>> anyone else dealing with the same issues.
>
> these requirements need to be written on paper, I think.
>
>> RDS is continuing to evolve ( RDS v3 is in dev).
>
> what is v3, an enhancement or a rewrite?
>
RDS v3 adds a zero copy (rdma) interface to RDS (sockets).

So v3 is v2 + zero copy (rdma) interface.

You can see an early implementation in OFED 1.3 - although we have not 
updated the man pages yet - as this is not generally available - yet.

>> We can consider publishing a more generic requirements doc - other 
>> than the early proposal we handed out a few years back (for RDS v1).
>
> yes, that would definitely help with reviewing the code and debugging, 
> is the early proposal available somewhere?
>
>> From an interface perspective - we need to check in the man pages for 
>> RDS - if not already there.
>
> The man page provides some info on the reliability provided by RDS, 
> but again without requirement or spec, its not possible to really know 
> --why-- this or that feature exists.
>
> Or.
>



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