BLPOPBlocking left pop across one or more lists (effect logged as LPOP).
| 構文 | BLPOP key [key ...] timeout |
| グループ | list |
| 引数の数 | -3 |
| 導入バージョン | 1.0.0 |
| フラグ | write, blocking |
| 計算量 | O(1) to serve; the park is O(1) and waiters are woken FIFO per key |
| Redis 互換性 | differs: on a multi-shard server the multi-key form does not honour Redis's left-to-right key priority — keys on the connection's own shard are served before remote ones |