Apache9 commented on PR #5016:
URL: https://github.com/apache/hbase/pull/5016#issuecomment-1422797649

   > This seems like an ingenious idea. But I want to confirm that due to the 
eviction mechanism of LRUMap, even if findEntry is used instead of addEntry, is 
there still a possibility of inconsistent read-write path behavior in theory?
   
   The most important thing here is to read WAL entries in order, and not skip 
any entries. If these two rules are guaranteed, it is OK to restart as many 
times as you want. And I think for replication, we must follow these two rules 
otherwise there will be data loss...


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