I did "# renice 19 9212" which caused the gnome-terminal (in which I
execute yum) to be *very* nice. And indeed all yum instances inherit
the 19 niceness. But yum *still* soaked the connection if it was the
first one there. The connection seems to be soaked primarily by
whatever comes first. Any Johnny-come-lately will gradually gain in its
share of bandwidth. But "nice" doesn't seem to help with bandwidth
usage in the slightest.
To get true traffic shaping you will need to use some other tools, but
under Linux I don't really see a need for that.
Well, if "nice" is the only thing you thought was needed, I fear you may
have been wrong. What other tools are you aware of?
There's a HOWTO on traffic shaping and it can be tailored (IIRC) to a
single program running (ie. only wget gets traffic shaped)
It doesn't have triggers like "if network bandwidth is @ < 30%, use an
additional 50%", but as I said before, you can use additional scripts to
monitor the bandwidth usage, and alter the shaping rules automatically
based on whatever triggers you please.
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