Switching between Namenodes

Once Namenode HA is configured for the  Hadoop cluster, generally you have one ‘active’ and one ‘standby’ namenode. Basically, this…

How to ingest JSON data to Hive?

Given JSON Data { “Person”: { “FirstName”: “Piyush”, “LastName”: “Routray”, “date”: [1990, 10, 28] }, “Friends”: [{ “Name”: “Vaibhav”, “State”:…