BeagleBone slow inbound net I/O

Paul Mather paul at gromit.dlib.vt.edu
Fri Mar 13 13:56:06 UTC 2015


On Mar 13, 2015, at 9:17 AM, Bernd Walter <ticso at cicely7.cicely.de> wrote:

> On Fri, Mar 13, 2015 at 08:34:59AM -0400, Paul Mather wrote:
>> On Mar 12, 2015, at 11:26 PM, Brett Wynkoop <freebsd-arm at wynn.com> wrote:
>> 
>>> Greeting-
>>> 
>>> It is confirmed, the net I/O is much slower than reading from the SD
>>> card.  Here is another run of tar - pipe - tar, but this time the
>>> source is the sd card and the destination is still the USB zfs.
>> 
>> 
>> The Beaglebone uses a USB NIC so any I/O to/from SD card will be competing for resources and potentially slowing things down.
> 
> No it does not.

My mistake; I was confusing it with the Raspberry Pi.  Network performance hasn't been too great on the Raspberry Pi in my experience.  Maybe it has improved lately, though.

Cheers,

Paul.



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