When I add new datanode to the cluster, what happens to new blocks

Question

When i add new data node to the running cluster, there are some running jobs, what will happen to the new blocks which are created by running jobs?

Please update your post title to be more descriptive – Elaskanator Jun 22 '18 at 15:42 — Elaskanator, Jun 22 '18 at 15:42

score 0 · Accepted Answer · answered Jun 22 '18 at 18:59

0

New blocks will be sent to new datanodes, as determined by the NameNode.

You don't need to stop existing running jobs.

answered Jun 22 '18 at 18:59

OneCricketeer

1 Answers1