When diagnosing network problems, the ability to zero counters is
a major aid in diagnosis. Writing scripts is not a general solution
since often several systems are involved and it's not simple to do
this via a script. Saving stats output and running beforeafter on
a number of systems is a royal pain when troubleshooting.
I like the idea someone else had. where the clear stats actually did
a checkpoint of the stats, and then future get stats would return the
diff between the checkpointed and current values (perhaps there could
also be a mechanism to still get the absolute values if desired).
-Bill
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