MSETSet multiple key/value pairs atomically per shard.
| 構文 | MSET key value [key value ...] |
| グループ | string |
| 引数の数 | -3 |
| 導入バージョン | 1.0.0 |
| フラグ | write |
| 計算量 | O(N) pairs, one O(1) SET each |
| Redis 互換性 | differs: atomic only per shard — pairs are split by key and applied shard-by-shard with no cross-shard barrier, so a reader can observe some pairs written and others not; Redis MSET is globally atomic |