Status: IN
`ConsistentHashRing` does not validate that `num_vnodes`, `weight`, or `replication_factor` are positive; zero or negative values silently produce degenerate ring states (e.g., a node with zero vnodes exists in `_nodes` but owns no ring arc).
Source: entries/2026/05/29/consistent-hashing-consistent_hashing-ConsistentHashRing.md