Just as another data point, and to show that it's not just ssh, I'm also
showing some CPU spikage from running trickle against apt-get:
# Attempting to use only 10KB/s of a 100KB/s pipe (5K * 2 http fetch
# processes)
sudo trickle -d 5 apt-get build-dep git-core
# Some relevant output from top showing the the http portion of
# apt-get sucking up all the CPU
Cpu(s): 15.6%us, 84.1%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.3%si,
0.0%st
Mem: 1547636k total, 1497880k used, 49756k free, 41260k buffers
Swap: 1951856k total, 260k used, 1951596k free, 704668k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
15590 root 25 0 5888 2136 1848 R 95.1 0.1 1:03.93 http
So, really, it seems to be repeatable with any process where a lot of
packets are being discarded.
--
"Oh, look: rocks!"
-- Doctor Who, "Destiny of the Daleks"
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