Question about the zkfc

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hi todd,
  
   Recently we use the QJM for HA, and i read the zkfc_design. I have a question,
   IMO, each zkfc hold a connection to zookeeper with an ephemeral node,  
   And i worry about the network between zkfc and zookeeper node
   is not very stable(lost at a moment and recovery soon), which may cause the connection is lost, 
   according to the design, this will cause a failover, but i think the failover is not necessary. 

   All above are just my opinion,  am i wrong or there is a retry mechanism when the network is not so
   stable.

   My regards & Best wishes!