On 8/19/09 10:58 AM, "Raghu Angadi" <rang...@yahoo-inc.com> wrote:
> Edward Capriolo wrote: >>> On Wed, Aug 19, 2009 at 11:11 AM, Edward Capriolo >>> <edlinuxg...@gmail.com>wrote: >>> >>>>>> It would be as fast as underlying filesystem goes. >>>> I would not agree with that statement. There is overhead. > > You might be misinterpreting my comment. There is of course some over > head (at the least the procedure calls).. depending on you underlying > filesystem, there could be extra buffer copies and CRC overhead. But > none of that explains transfer as slow as 1 MBps (if my interpretation > of of results is correct). > > Raghu. Yes, there is nothing about distributing work for parallel execution that is going to make a single 20MB file transfer faster. That is very slow, and should be on the order of a second or so, not multiple minutes. Something else is wrong.
