mxm commented on PR #774:
URL: 
https://github.com/apache/flink-kubernetes-operator/pull/774#issuecomment-1952564474

   @gyfora Every breaking change in `ScalingMetrics` will cause the metric 
history to get dropped, e.g. renaming or change of enum order. That is ok if 
the window resets correctly; the beginning of the window should always be the 
"oldest" timestamp collected. That means that we automatically restart metric 
collection if data gets dropped. If that is not the case, then this is a bug. 
   
   So in short: Dropping collected metrics is ok, reducing the window size is 
not. 


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