vnstat should be able to do this. It has a "live" mode or can
generate hourly reports much like sar. Google for vnstat to find it.
On 9/13/13, hilfi alkaff <[EMAIL PROTECTED]> wrote:
> Is there any way that we could measure the actual bandwidth used by the
> nodes when running MapReduce jobs (For example, when the mappers are
> sending data to the reducers during the shuffle phase).
> ~Hilfi Alkaff~