multi-leader-sync-collects-then-distributes

Status: IN

`sync()` drains all pending queues from every node before distributing any changes, preventing intra-round cascading where one node's change would trigger further propagation within the same sync round

Source: entries/2026/05/29/multi-leader-replication-multi_leader.md

Example

pending_by_node = {}
for nid in self._node_order:
    pending_by_node[nid] = self._nodes[nid].get_pending_changes()
# then distribute to peers

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