nickva commented on PR #5625:
URL: https://github.com/apache/couchdb/pull/5625#issuecomment-3209109828

   > Nice work! Is there a break even point where things get worser? Can you 
run those tests on smaller clusters too?
   
   I'll try to find a smaller cluster but sometime setting it up my not work as 
well as our dedicated perf cluster. I could run some more benchmarks on my 
ubuntu laptop, that could be an example of a small machine.
   
   >  Is there a break even point where things get worser? 
   
   I'd imagine if we shuffled every node through the cache, things would get 
worse. As we'd fill it up with nodes used only a times. We see the distribution 
of counts in one of the above comments, at level 2 or 3 we may have only 40-50 
kp nodes and one level lower there are thousands. The `full` metric can sort of 
help determine if the cache size may need to  be bumped or if the depth may 
need to be reduced to make it more effective.


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