First of validate in zookeeper if there are entries for the hbase id.    There is another easy way to wipe the slate clean    bin/hbase clean   Select the options -cleanAll which will delete HDFS data and also the zookeeper data.  This should clean the things and get the things going.    ** Make sure to stop the Hbase service when you are doing this.  OR  You can use -cleanZk option to delete only the zookeeper data and re populate the same. Steps remain the same, bring down the Hbase service and run these commands from admin/master nodes.  **These actions can't be reverted.  ... View more

If we want to limit interaction of hdp/hadoop developers/data analyst or scientist, does it mean we don't need to install client in all workernodes? And we have ever found that for special case, sqoop and oozie client, are needed to be installed in all nodes include master-worker nodes, Is it related to how sqoop and oozie works? ... View more