[GitHub] [hadoop] virajjasani commented on pull request #5396: HDFS-16918. Optionally shut down datanode if it does not stay connected to active namenode

["virajjasani (via GitHub)" <gi...@apache.org>]

virajjasani commented on PR #5396:
URL: https://github.com/apache/hadoop/pull/5396#issuecomment-1430773119

   In the large fleet of datanodes, any datanode that does not stay connected to active namenode due to any connectivity issue, can choose to get itself shutdown rather than impacting the availability and that is wise thing for datanode itself to do, of course not mandatorily but as an opt-in behavior. 
   While admin can do that, no human interaction can be fast enough to take action in the large scale cluster in just a matter of few seconds.


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