@Manindar,   Indeed, if you have a replication factor of 3 and only one DataNode is alive, then there is nowhere to replicate.  3 nodes with a replication factor of 3 means the blocks are already on that one node and there is nothing to replicate/move.     ... View more

Hi! I've got the same error message and I solved using the latest elasticsearch-spark version to my corresponding scala version:   spark-submit --packages org.elasticsearch:elasticsearch-spark-20_2.11:6.2.4 your_script.py   Hope it helps. ... View more