VMware Solutions Discussions
Just a technical question:
If I have one network port (1Gb) in use, what would be "normal" throughput for it?
Net in kB/s output from >sysstat, could be example something like 80000kB/s.
I assume that value includes overheads/encoding as well, so where does rest of the
bandwidth go, or what is the most common bottleneck? (Simple math is 1Gb = 122070kB)
Is it possible to get example 110MB/s in any circumstances?
You may achieve 110mb/s if layer 2 but specific settings but what you are seeing is very fair and rest is used by tcp offload kind of.
Do I get it right.
1Gb uses 8b/10b encoding = 20%
Overhead = "5%"
So if 80MB/s is ok.
The actually data what's going to be written to disks,
is actually 80MB/s - 25%, about 60MB/s.
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