I'm trying to understand when and how data handoff between nodes is triggered in riak_core. I was under the impression that data would be shuffled when a new node joined the cluster or an existing node left the cluster, but maybe that's not the case? It looks like joining a cluster is accomplished by gossiping your ring with a node in the cluster that you wish to join (riak_core_gossip:send_ring(NodeInCluster, node())). Looking through the code I don't see anywhere that a partitions data is transferred once an updated ring is agreed upon. Leaving a cluster seems to be handled similarly, but I don't see any handoff triggered in this case either. I must be missing something obvious? I'm looking at tag riak_core-0.14.2.
Thanks, Joel
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