+-------------------+-----------+-------------------------------------------------------------------+
|      Command      | Twemproxy | rpdb                                                      |
+-------------------+-----------+-------------------------------------------------------------------+
|        DEL        |    Yes    | Yes                                                               |
+-------------------+-----------+-------------------------------------------------------------------+
|       DUMP        |    Yes    | Yes                                                               |
+-------------------+-----------+-------------------------------------------------------------------+
|      EXISTS       |    Yes    | Yes                                                               |
+-------------------+-----------+-------------------------------------------------------------------+
|      EXPIRE       |    Yes    | Yes                                                               |
+-------------------+-----------+-------------------------------------------------------------------+
|     EXPIREAT      |    Yes    | Yes                                                               |
+-------------------+-----------+-------------------------------------------------------------------+
|       KEYS        |    No     |                                                                   |
+-------------------+-----------+-------------------------------------------------------------------+
|      MIGRATE      |    No     |                                                                   |
+-------------------+-----------+-------------------------------------------------------------------+
|       MOVE        |    No     |                                                                   |
+-------------------+-----------+-------------------------------------------------------------------+
|      OBJECT       |    No     |                                                                   |
+-------------------+-----------+-------------------------------------------------------------------+
|      PERSIST      |    Yes    | Yes                                                               |
+-------------------+-----------+-------------------------------------------------------------------+
|      PEXPIRE      |    Yes    | Yes                                                               |
+-------------------+-----------+-------------------------------------------------------------------+
|     PEXPIREAT     |    Yes    | Yes                                                               |
+-------------------+-----------+-------------------------------------------------------------------+
|      PTTL         |    Yes    | Yes                                                               |
+-------------------+-----------+-------------------------------------------------------------------+
|     RANDOMKEY     |    No     |                                                                   |
+-------------------+-----------+-------------------------------------------------------------------+
|      RENAME       |    No     |                                                                   |
+-------------------+-----------+-------------------------------------------------------------------+
|     RENAMENX      |    No     |                                                                   |
+-------------------+-----------+-------------------------------------------------------------------+
|      RESTORE      |    Yes    | Yes                                                               |
+-------------------+-----------+-------------------------------------------------------------------+
|      SORT         |    Yes*   |                                                                   |
+-------------------+-----------+-------------------------------------------------------------------+
|       TTL         |    Yes    | Yes                                                               |
+-------------------+-----------+-------------------------------------------------------------------+
|      TYPE         |    Yes    | Yes                                                               |
+-------------------+-----------+-------------------------------------------------------------------+
|      SCAN         |    No     |                                                                   |
+-------------------+-----------+-------------------------------------------------------------------+

+-------------------+-----------+------------------------------------------------------------------+
|      Command      | Twemproxy | rpdb                                                     |
+-------------------+-----------+------------------------------------------------------------------+
|       APPEND      |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      BITCOUNT     |    Yes    |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|       BITOP       |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|       DECR        |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      DECRBY       |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|       GET         |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      GETBIT       |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|     GETRANGE      |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      GETSET       |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      INCR         |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      INCRBY       |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|     INCRBYFLOAT   |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      MGET         |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      MSET         |    Yes*   | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      MSETNX       |    No     | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      PSETEX       |    Yes    |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|      SET          |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      SETBIT       |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      SETEX        |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      SETNX        |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      SETRANGE     |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      STRLEN       |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+

+-------------------+-----------+------------------------------------------------------------------+
|      Command      | Twemproxy | rpdb                                                     |
+-------------------+-----------+------------------------------------------------------------------+
|       HDEL        |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      HEXISTS      |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|       HGET        |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      HGETALL      |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      HINCRBY      |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|    HINCRBYFLOAT   |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      HKEYS        |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      HLEN         |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      HMGET        |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      HMSET        |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      HSET         |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      HSETNX       |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      HVALS        |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      HSCAN        |    Yes    |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+

+-------------------+-----------+------------------------------------------------------------------+
|      Command      | Twemproxy | rpdb                                                     |
+-------------------+-----------+------------------------------------------------------------------+
|       BLPOP       |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|       BRPOP       |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|     BRPOPLPUSH    |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|      LINDEX       |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      LINSERT      |    Yes    |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|      LLEN         |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      LPOP         |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      LPUSH        |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      LPUSHX       |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      LRANGE       |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      LREM         |    Yes    |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|      LSET         |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      LTRIM        |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      RPOP         |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|     RPOPLPUSH     |    Yes*   |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|      RPUSH        |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      RPUSHX       |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+

+-------------------+-----------+------------------------------------------------------------------+
|      Command      | Twemproxy | rpdb                                                     |
+-------------------+-----------+------------------------------------------------------------------+
|      SADD         |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      SCARD        |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      SDIFF        |    Yes*   |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|     SDIFFSTORE    |    Yes*   |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|      SINTER       |    Yes*   |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|    SINTERSTORE    |    Yes*   |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|     SISMEMBER     |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|     SMEMBERS      |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      SMOVE        |    Yes*   |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|      SPOP         |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|    SRANDMEMBER    |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      SREM         |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|     SUNION        |    Yes*   |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|   SUNIONSTORE     |    Yes*   |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|      SSCAN        |    Yes    |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+

+-------------------+-----------+------------------------------------------------------------------+
|      Command      | Twemproxy | rpdb                                                     |
+-------------------+-----------+------------------------------------------------------------------+
|      ZADD         |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      ZCARD        |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|      ZCOUNT       |    Yes    |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|      ZINCRBY      |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|     ZINTERSTORE   |    Yes*   |                                                                  |
+--------------------------------------------------------------------------------------------------+
|      ZLEXCOUNT    |    Yes    |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|      ZRANGE       |    Yes    |                                                                  |
+--------------------------------------------------------------------------------------------------+
|    ZRANGEBYLEX    |    Yes    |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|    ZRANGEBYSCORE  |    Yes    |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|      ZRANK        |    Yes    |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|       ZREM        |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|   ZREMRANGEBYLEX  |    Yes    |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|   ZREMRANGEBYRANK |    Yes    |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|  ZREMRANGEBYSCORE |    Yes    |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|    ZREVRANGE      |    Yes    |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|  ZREVRANGEBYSCORE |    Yes    |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|     ZREVRANK      |    Yes    |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|     ZSCORE        |    Yes    | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|    ZUNIONSTORE    |    Yes*   |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|      ZSCAN        |    Yes    |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+

+-------------------+-----------+------------------------------------------------------------------+
|      Command      | Twemproxy |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|       PFADD       |    Yes    |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|      PFCOUNT      |    Yes    |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|      PFMERGE      |    Yes*   |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+

+-------------------+-----------+------------------------------------------------------------------+
|      Command      | Twemproxy |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|     PSUBSCRIBE    |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|     PUBLISH       |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|    PUNSUBSCRIBE   |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|     SUBSCRIBE     |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|     UNSUBSCRIBE   |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+

+-------------------+-----------+------------------------------------------------------------------+
|      Command      | Twemproxy |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|      DISCARD      |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|       EXEC        |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|       MULTI       |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|      UNWATCH      |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|       WATCH       |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+

+-------------------+-----------+------------------------------------------------------------------+
|      Command      | Twemproxy |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|       EVAL        |    Yes*   |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|     EVALSHA       |    Yes*   |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|    SCRIPT EXISTS  |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|    SCRIPT FLUSH   |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|    SCRIPT KILL    |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|    SCRIPT LOAD    |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+

+-------------------+-----------+------------------------------------------------------------------+
|      Command      | Twemproxy |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|       AUTH        |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|       ECHO        |    No     | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|       PING        |    No     | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|       QUIT        |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|      SELECT       |    No     | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+

+-------------------+-----------+------------------------------------------------------------------+
|      Command      | Twemproxy |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|    BGREWRITEAOF   |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|      BGSAVE       |    No     | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|    CLIENT KILL    |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|    CLIENT LIST    |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|    CONFIG GET     |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|    CONFIG SET     |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|  CONFIG RESETSTAT |    No     |                                                                  |
+-------------------+------------------------------------------------------------------------------+
|     DBSIZE        |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|    DEBUG OBJECT   |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|    DEBUG SEGFAULT |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|     FLUSHALL      |    No     | Yes (rename to RESET)                                            |
+-------------------+-----------+------------------------------------------------------------------+
|     FLUSHDB       |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|      INFO         |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|     LASTSAVE      |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|     MONITOR       |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|      SAVE         |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|     SHUTDOWN      |    No     | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|     SLAVEOF       |    No     | Yes                                                              |
+-------------------+-----------+------------------------------------------------------------------+
|     SLOWLOG       |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|      SYNC         |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+
|      TIME         |    No     |                                                                  |
+-------------------+-----------+------------------------------------------------------------------+

+-------------------+-------------------------------------------------------------------------------+
|      Command      | rpdb                                                                  |
+-------------------+-------------------------------------------------------------------------------+
|   SlotsInfo       | Yes*                                                                          |
+-------------------+-------------------------------------------------------------------------------+
|   SlotsMgrtSlot   | Yes*                                                                          |
+-------------------+-------------------------------------------------------------------------------+
|  SlotsMgrtTagSlot | Yes*                                                                          |
+-------------------+-------------------------------------------------------------------------------+
|   SlotsMgrtOne    | Yes                                                                           |
+-------------------+-------------------------------------------------------------------------------+
|  SlotsMgrtTagOne  | Yes                                                                           |
+-------------------+-------------------------------------------------------------------------------+
|    SlotsDel       |                                                                               |
+-------------------+-------------------------------------------------------------------------------+
|    SlotsHashKey   | Yes                                                                           |
+-------------------+-------------------------------------------------------------------------------+
|    SlotsCheck     |                                                                               |
+-------------------+-------------------------------------------------------------------------------+

* slotsinfo, slotsmgrtslot and slotsmgrttagslot cannot get the exact value of slot's size, but return 1 if it's not empty