Shard data And Node name relationship


Suppose I have a cluster of 3 nodes. Each node when it goes down and then
comes back up, returns to the cluster with the data it had before shutdown.
However, the node does not necessarily join the cluster with the same node

From the perspective of reinitializing shards and rebalancing, does that
change of name affect anything? i.e does the node tell the cluster on
joining i am node XYZ or does it just say, I have shards a,b,c for index
'my index'?

In other words, would rebalance commence due to name change of a node or
due to data and other needs of ES?


Daniel Schonfeld

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