In trying to figure out what my cluster is doing, one of the common questions 
I'm asking is "how many compactions is it doing?"  But I noticed there's no 
obvious compaction counter in the tpstats output.  Is there a counter in there 
that directly correlates to the number of compactions done?  If not, can you 
add one?  Alternately, compactionstats would be more useful if it included that 
counter instead of just showing the currently running compactions.  Usually 
when I go to look at it, the compaction is already done so all I get is a big 
0.  My ops team wants to be able to keep track of and graph things like this so 
they can quickly understand what's going on if there's a problem with the 
cluster.

Thanks!

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