Supported commands for Redis-compatible instances of Tair Serverless KV - Tair (Redis® OSS-Compatible)

This topic describes the commands that are supported by Redis-compatible instances of Tair Serverless KV.

Compatibility

The instances are compatible with most data structures and commands of Redis 6.0.
The instances use a cluster architecture. Connect to the instances using a client that supports the Redis cluster mode.

The tables in this topic use the following conventions:

✔️: The command is supported.
❌: The command is not supported.
①: This command requires that all keys used in the command reside in the same slot.
②: To ensure compatibility with the behavior of some clients and frameworks, this command returns only OK or an empty result and is not executed.

Note

Commands that are not listed in the tables are not supported.

Unsupported commands

HyperLogLog-related commands, such as PFADD, PFCOUNT, and PFMERGE.
Stream-related commands, such as XACK, XADD, XCLAIM, XDEL, XGROUP, XLEN, XPENDING, XRANGE, XREAD, XREADGROUP, XREVRANGE, and XTRIM.
Pub/Sub-related commands, such as PSUBSCRIBE, PUBLISH, PUNSUBSCRIBE, SUBSCRIBE, UNSUBSCRIBE, SPUBLISH, SSUBSCRIBE, SUNSUBSCRIBE, and PUBSUB.
Function-related commands, such as FCALL, FCALL_RO, FUNCTION DELETE, FUNCTION FLUSH, FUNCTION LIST, FUNCTION LOAD, FUNCTION RESTORE, and FUNCTION STATS.

Command	Supported
COPY	❌
DEL①	✔️
DUMP	✔️
EXISTS①	✔️
EXPIRE	✔️
EXPIREAT	✔️
EXPIRETIME	✔️
KEYS	✔️
MIGRATE	❌
MOVE	❌
OBJECT	❌
PERSIST	✔️
PEXPIRE	✔️
PEXPIREAT	✔️
PEXPIRETIME	✔️
PTTL	✔️
RANDOMKEY	✔️
RENAME①	✔️ Note Supports keys up to 16 MB in size.
RENAMENX①	✔️ Note Supports keys up to 16 MB in size.
RESTORE	✔️
SCAN	✔️
SORT	❌
SORT_RO	❌
TOUCH	❌
TTL	✔️
TYPE	✔️
UNLINK①	✔️
WAIT	❌

Important

To use transaction-related commands, you must set the parameter txn-isolation-lock to yes.

Important

To use Lua script commands, you must set the parameter txn-isolation-lock to yes.
The EVAL, EVALSHA, EVAL_RO, and EVALSHA_RO commands require at least one key and a numkeys value greater than 0.

Command	Support
ACL	❌
BGREWRITEAOF	❌
BGSAVE	❌
BKLIST	❌
COMMAND	✔️
CONFIG	❌
DBSIZE	✔️
DEBUG	❌
FLUSHALL	✔️
FLUSHDB	✔️ Important Only the synchronous execution mode of the FLUSHDB command is supported. The asynchronous execution mode is not supported. In a production environment, run the FLUSHDB command with caution.
INFO	✔️
LASTSAVE	❌
LATENCY	❌
LOLWUT	❌
MEMORY	❌
MONITOR	❌
REWRITEAOF	❌
SAVE	❌
SHUTDOWN	❌
SLOWLOG	✔️
SWAPDB	❌
TIME	✔️

Command	Support
AUTH	✔️
CLIENT CACHING	❌
CLIENT GETNAME	✔️
CLIENT GETREDIR	❌
CLIENT ID	❌
CLIENT INFO	❌
CLIENT KILL	✔️
CLIENT LIST	✔️
CLIENT NO-EVICT	❌
CLIENT PAUSE	❌
CLIENT REPLY	❌
CLIENT SETNAME	✔️
CLIENT TRACKING	❌
CLIENT TRACKINGINFO	❌
CLIENT UNBLOCK	❌
CLIENT UNPAUSE	❌
ECHO	✔️
HELLO	❌
PING	✔️
QUIT	✔️
RESET	❌
SELECT	✔️
SENTINEL sentinels②	✔️
SENTINEL get-master-addr-by-name ②	✔️

Command	Support
CLUSTER ADDSLOTS ②	✔️
CLUSTER ADDSLOTSRANGE	❌
CLUSTER BUMPEPOCH	❌
CLUSTER COUNT-FAILURE-REPORTS	✔️
CLUSTER COUNTKEYSINSLOT	✔️
CLUSTER DELSLOTS ②	✔️
CLUSTER DELSLOTSRANGE	❌
CLUSTER FAILOVER ②	✔️
CLUSTER FLUSHSLOTS	❌
CLUSTER FORGET ②	✔️
CLUSTER GETKEYSINSLOT ②	✔️
CLUSTER INFO	✔️
CLUSTER KEYSLOT	✔️
CLUSTER LINKS	❌
CLUSTER MEET ②	✔️
CLUSTER MYID	❌
CLUSTER NODES	✔️
CLUSTER REPLICAS	❌
CLUSTER REPLICATE ②	✔️
CLUSTER RESET ②	✔️
CLUSTER SAVECONFIG ②	✔️
CLUSTER SET-CONFIG-EPOCH ②	✔️
CLUSTER SETSLOT ②	✔️
CLUSTER SHARDS	❌
CLUSTER SLAVES	✔️
CLUSTER SLOTS	✔️
READONLY ②	✔️
READWRITE ②	✔️