E4500 spend one core to saturate 1Gbit/s link with TCP -- is it nornal?

Lev Serebryakov lev at serebryakov.spb.ru
Mon Dec 20 20:45:01 UTC 2010


Hello, Eugene.
You wrote 20 декабря 2010 г., 22:42:41:

>>  Is it normal, that 2.2GHz core is needed to saturate 1Gib link with
>>  only one client (and one TCP connction), or I have something
>>  misconfigured?
> Compare with ftpd that uses sendfile() kernel function.
  simple  "iperf"  shows almost same load (slightly less, but it shows
  slightly less speed, about 800Mbit).

-- 
// Black Lion AKA Lev Serebryakov <lev at serebryakov.spb.ru>



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