[GitHub] [hbase] joshelser commented on pull request #2113: HBASE-24286: HMaster won't become healthy after after cloning or crea…

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joshelser commented on pull request #2113:
URL: https://github.com/apache/hbase/pull/2113#issuecomment-662069036


   I'm not sure if we want to discuss here or on #2114, but, copying from https://github.com/apache/hbase/pull/2114#pullrequestreview-452770911,
   
   > While I think the CatalogJanitor approach is probably an effective solution, I wonder if there's a "faster" solution we could do.
   
   > The main question is, when we don't have ZooKeeper telling us that a RegionServer has died, how can we be certain that a RegionServer won't "come back"? If we get into a situation where data was still hosted on a RegionServer we thought was dead, we would double-assign the region and that'd be a big bug.
   
   > Any thoughts on how to try to minimize the chance of us incorrectly marking a RegionServer as dead?
   
   


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