BinShi-SecularBird commented on issue #419: PHOENIX-4009 Run UPDATE STATISTICS 
command by using MR integration on…
URL: https://github.com/apache/phoenix/pull/419#issuecomment-452563936
 
 
   I didn't see my concern "if time since last update is less than certain 
threshold, the job doesn't need to update the regions' stats again. Suppose one 
MR job failed but some regions still get updated, the rerun job only needs to 
update the regions that the first job didn't update." described in the 
PHOENIX-4009 being addressed in this change, and I still think it should be 
addressed.

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