ndimiduk commented on pull request #2523:
URL: https://github.com/apache/hbase/pull/2523#issuecomment-708048058


   @virajjasani to the best of my knowledge, the `ConfigurationObserver` 
classes facilitate reloading values from configuration on disk. I think the 
workflow is (1) operator writes new config values to disk (2) operator triggers 
configuration reload in running process. As far as I know, there's no ZK 
involved in this stuff. Certainly, there's no new znode defined by this patch.
   
   FYI, the only "configuration" we store in ZK, as far as I know, is for 
replication. The `_switch` commands are simple booleans only.


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