[rds-devel] FW: RDS -- RDMA out of order

[Tang, Changqing]

Yes, to the same destination, it is 3M message fragmented into 3 1M messages (RDS support max 1M rdma size);

--CQ

-----Original Message-----
From: Andy Grover [mailto:andy.grover at oracle.com]
Sent: Friday, April 30, 2010 2:50 PM
To: Tang, Changqing
Cc: Tina Yang; RDS Devel
Subject: Re: [rds-devel] FW: RDS -- RDMA out of order

On 04/30/2010 08:56 AM, Tang, Changqing wrote:
> Andy, I post 3 rdma-write using control message, asking for
> notification when complete. However, I get the notification for the
> last post , so my code catches an out-of-order error,
>
> Does RDS keep the completion order and therefore notification order?

3 rdma-writes to the same remote node, or different ones?

RDS only guarantees ordering among messages to a single (host, port) tuple.

Regards -- Andy