Am 19.06.2015 um 14:47 schrieb Petter Adsen: > On Fri, 19 Jun 2015 14:09:45 +0200 > basti <black.fledermaus@arcor.de> wrote: > >> The Problem is not the speed of 3 MB/s it's the load of 12 and more. >> >> On 19.06.2015 14:03, Sven Hartge wrote: >>> basti <black.fledermaus@arcor.de> wrote: >>> >>>> iotop show me a read speed around 3 MB/s, there is a Class 10 UHS card >>>> (10-15 MB/s read, 9-5 MB/s write I guess). >>> More than 3MByte/s is not really achievable with a Pi-1, because the CPU >>> is very weak and the Ethernet-Chip is attached via USB. >>> >>> Under the best conditions you may be able to transfer up to 45MBit/s, >>> but a maximum transfer rate of about 35MBit/s is normal. > > The load is so high because USB is very CPU-intensive. If you were to > use the on-board Ethernet, you would not see such a high load. The pi has no on-board ethernet. The ethernet port is attached via USB. -- Why is it that all of the instruments seeking intelligent life in the universe are pointed away from Earth?
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