Could you explain more?
When we add a new node, it should migrate data from other nodes, right?
What happens if other nodes are absent? For example, the cluster
consists of 3 nodes, but 2 nodes down, now we add the fourth new node,
what happens then?
2018-05-01 12:01 GMT+08:00 Jeff Jirsa
nodetool decommission streams data from the losing replica, so only that
instance has to be online (and decom should be preferred to removenode)
If that instance is offline, you can use removenode, but you risk violating
consistency guarantees
Adding nodes is similar - bootstrap streams from