[mrtg] MRTG Counter details
Senthilvel.Rangaswamy at eng.sun.com
Fri Apr 13 18:48:57 MEST 2001
I'm trying to understand the stats that are recorded by MRTG and
some of the numbers don't match with what I would expect. Here's
what I'm doing.
I have 3 sun machines running a simple program that writes data
in 128 KB chunks as fast as it can. All are connected over GBit and is
writing to a common file server which is also connected
via GBit. The three clients that are running show that they are
each writing at about 7.8 MB/sec, so I expect to see the common
file server writing data at around 23 MB/sec. I have run a tool
from within the SE tool kit that monitors TCP and
it shows TCP input at the rate of about 23 MB/sec.
Here is where I am confused.
I am collecting these server statistics from the switch port
the machine is connected to. It is connected to a Catalyst 6000. The
outgoing bytes just shows 80 Mbps. Whereas the SE toolkit on
the Sun machine shows 23 MB/sec of incoming traffic.
"The spirit is willing, but will is not spirited.."
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