wchevreuil commented on pull request #1883:
URL: https://github.com/apache/hbase/pull/1883#issuecomment-651722529


   > @wchevreuil
   > Thought it again, if this new splitPolicy is useable in branch-2.2 and 
branch-2.3, but disappear in branch-2.4 without deprecated cycle, is it break 
the compatibility guarantee?
   
   Yeah, we can't simply remove it between minor releases.
    
   > IMO, maybe we can do as below:
   > 1: In all actived branchs, add this new splitPolicy.
   
   Agreed!
   
   
   > 2: In minor branch set it as default policy and mark SteppingSpliyPolicy 
and IncreasingToUpperBoundRegionSplitPolicy as deprecated, at the same time fix 
the ConstantSizeRegionSplitPolicy.
   
   Just to confirm my understanding of your proposal: adding the new policy as 
default, deprecation of the overridden ones and fix of 
ConstantSizeRegionSplitPolicy should go on master and branch-2 branches, whilst 
branch-2.2 and branch-2.3 would only have the new policy added? If so, I'm +1 
for that.
   
   


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