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The series adds a step during node's boot process, just before completing the initialization, in which the node sends a notification to all other normal nodes in the cluster that it is UP now. Other nodes wait for this node to be UP and in normal state before replying. This ensures that, in a healthy cluster, when a node start serving queries the entire cluster knows its up-to-date state. The notification is a best effort though. If some nodes are down or do not reply in time the boot process continues. It is somewhat similar to shutdown notification in this regard. * 'gleb/notify-up-v2' of github.com:scylladb/scylla-dev: gossiper: wait for a bootstrapping node to be seen as normal on all nodes before completing initialization Wait for booting node to be marked UP before complete booting. gossiper: move gossip verbs to the idl