pvargacl commented on pull request #1718:
URL: https://github.com/apache/hive/pull/1718#issuecomment-736078852


   @belugabehr Although I am not very familiar with this area, but what happens 
if multiple HMS are running in HA? Wouldn't this solution mean, that 
potentially the order of the notification events will change? Two HMS are 
running HMS 1 gets id range 1-10, HMS 2 gets 11-20. Then openTxn notification 
goes to HMS 2 and allocateWriteId notification goes to HMS1. The sequence of 
the ids will not represent the sequence of the events. Wouldn't this mess up 
acid table replication?


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