[sheepdog] Some thoughts based on my preliminary I/O test

[Liu Yuan]

On 05/23/2013 01:17 PM, Hongyi Wang wrote:
> Update for the last mail:
> In order to reproduce the issue "wait_forward_request(167) poll timeout
> 1", we do our test with 100M switch. We can reproduce the issue every
> time with sequential write on a large file (in our case, 10GB).
>  We notice the number of threads reaches ~70 and the network bandwidth
> is saturated (~90Mbps).
> 

No, this is not a failure. Just the nodes or network are busy. SD will
take care of retry of the requests after poll timeout.

Thanks,
Yuan