UNLINKDelete one or more keys (alias of DEL in kevy's shard model).
| Syntax | UNLINK key [key ...] |
| Group | generic |
| Arity | -2 |
| Since | 1.0.0 |
| Flags | write |
| Complexity | O(N) keys, plus O(M) per collection-typed key — identical to DEL |
| Redis compatibility | differs: UNLINK is an alias of DEL — the value is freed inline on the owning shard's reactor thread, not by a background thread, so it gives no latency benefit |