This is a redis quick reference cheat sheet that lists examples of redis commands.
Start Redis
$ redis-server
Connect to redis (Redis CLI client)
$ redis-cli
Connect to redis (telnet)
$ telnet 127.0.0.1 6379
redis> PING
PONG
redis> SET mykey "Hello world"
OK
redis> GET mykey
"Hello world"
Lists Sets
Redis supports 5 basic data types
APPEND key value
redis> EXISTS mykey
(integer) 0
redis> APPEND mykey "Hello"
(integer) 5
redis> APPEND mykey " World"
(integer) 11
redis> GET mykey
"Hello World"
Append a value to a key
BITCOUNT key [start end]
redis> SET mykey "foobar"
"OK"
redis> BITCOUNT mykey
(integer) 26
redis> BITCOUNT mykey 0 0
(integer) 4
redis> BITCOUNT mykey 1 1
(integer) 6
Count set bits in a string
BITFIELD key [GET type offset] [SET type offset value] [INCRBY type offset increment] [OVERFLOW WRAP|SAT|FAIL]
redis> BITFIELD mykey INCRBY i5 100 1 GET u4 0
1) (integer) 1
2) (integer) 0
Perform arbitrary bitfield integer operations on strings
BITOP operation destkey key [key ...]
redis> SET key1 "foobar"
"OK"
redis> SET key2 "abcdef"
"OK"
redis> BITOP AND dest key1 key2
(integer) 6
redis> GET dest
"`bc`ab"
Perform bitwise operations between strings
BITPOS key bit [start] [end]
redis> SET mykey "\xff\xf0\x00"
"OK"
redis> BITPOS mykey 0
(integer) 12
redis> SET mykey "\x00\xff\xf0"
"OK"
redis> BITPOS mykey 1 0
(integer) 8
redis> BITPOS mykey 1 2
(integer) 16
redis> set mykey "\x00\x00\x00"
"OK"
redis> BITPOS mykey 1
(integer) -1
Find first bit set or clear in a string
DECR key
redis> SET mykey "10"
"OK"
redis> DECR mykey
(integer) 9
redis> SET mykey "234293482390480948029348230948"
"OK"
redis> DECR mykey
ERR ERR value is not an integer or out of range
Decrement the integer value of a key by one
DECRBY key decrement
redis> SET mykey "10"
"OK"
redis> DECRBY mykey 3
(integer) 7
Decrement the integer value of a key by the given number
GET key
redis> GET nonexisting
(nil)
redis> SET mykey "Hello"
"OK"
redis> GET mykey
"Hello"
Get the value of a key
GETBIT key offset
redis> SETBIT mykey 7 1
(integer) 0
redis> GETBIT mykey 0
(integer) 0
redis> GETBIT mykey 7
(integer) 1
redis> GETBIT mykey 100
(integer) 0
Returns the bit value at offset in the string value stored at key
GETRANGE key start end
redis> SET mykey "This is a string"
"OK"
redis> GETRANGE mykey 0 3
"This"
redis> GETRANGE mykey -3 -1
"ing"
redis> GETRANGE mykey 0 -1
"This is a string"
redis> GETRANGE mykey 10 100
"string"
Get a substring of the string stored at a key
GETSET key value
redis> INCR mycounter
(integer) 1
redis> GETSET mycounter "0"
"1"
redis> GET mycounter
"0"
Set the string value of a key and return its old value
INCR key
redis> SET mykey "10"
"OK"
redis> INCR mykey
(integer) 11
redis> GET mykey
"11"
Increment the integer value of a key by one
MSETNX key value [key value ...]
redis> MSETNX key1 "Hello" key2 "there"
(integer) 1
redis> MSETNX key2 "new" key3 "world"
(integer) 0
redis> MGET key1 key2 key3
1) "Hello"
2) "there"
3) (nil)
Set multiple keys to multiple values, only if none of the keys exist
INCRBYFLOAT key increment
redis> SET mykey 10.50
"OK"
redis> INCRBYFLOAT mykey 0.1
"10.6"
redis> INCRBYFLOAT mykey -5
"5.6"
redis> SET mykey 5.0e3
"OK"
redis> INCRBYFLOAT mykey 2.0e2
"5200"
Increment the float value of a key by the given amount
MGET key [key ...]
redis> SET key1 "Hello"
"OK"
redis> SET key2 "World"
"OK"
redis> MGET key1 key2 nonexisting
1) "Hello"
2) "World"
3) (nil)
Get the values of all the given keys
MSET key value [key value ...]
redis> MSET key1 "Hello" key2 "World"
"OK"
redis> GET key1
"Hello"
redis> GET key2
"World"
Set multiple keys to multiple values
INCRBY key increment
redis> SET mykey "10"
"OK"
redis> INCRBY mykey 5
(integer) 15
Increment the integer value of a key by the given amount
PSETEX key milliseconds value
redis> PSETEX mykey 1000 "Hello"
"OK"
redis> PTTL mykey
(integer) 1000
redis> GET mykey
"Hello"
Set the value and expiration in milliseconds of a key
SET key value [EX seconds|PX milliseconds|KEEPTTL] [NX|XX] [GET]
redis> SET mykey "Hello"
"OK"
redis> GET mykey
"Hello"
redis> SET anotherkey "will expire in a minute" EX 60
"OK"
Set the string value of a key
SETBIT key offset value
redis> SETBIT mykey 7 1
(integer) 0
redis> SETBIT mykey 7 0
(integer) 1
redis> GET mykey
"\u0000"
Sets or clears the bit at offset in the string value stored at key
SETEX key seconds value
redis> SETEX mykey 10 "Hello"
"OK"
redis> TTL mykey
(integer) 10
redis> GET mykey
"Hello"
Set the value and expiration of a key
SETNX key value
redis> SETNX mykey "Hello"
(integer) 1
redis> SETNX mykey "World"
(integer) 0
redis> GET mykey
"Hello"
Set the value of a key, only if the key does not exist
SETRANGE key offset value
redis> SET key1 "Hello World"
"OK"
redis> SETRANGE key1 6 "Redis"
(integer) 11
redis> GET key1
"Hello Redis"
Overwrite part of a string at key starting at the specified offset
STRLEN key
redis> SET mykey "Hello world"
"OK"
redis> STRLEN mykey
(integer) 11
redis> STRLEN nonexisting
(integer) 0
Get the length of the value stored in a key
STRALGO LCS algo-specific-argument [algo-specific-argument ...]
redis> STRALGO LCS KEYS key1 key2 IDX
1) "matches"
2) 1) 1) 1) (integer) 4
2) (integer) 7
2) 1) (integer) 5
2) (integer) 8
2) 1) 1) (integer) 2
2) (integer) 3
2) 1) (integer) 0
2) (integer) 1
3) "len"
4) (integer) 6
Run algorithms (currently LCS) against strings
SADD key member [member ...]
redis> SADD myset "Hello"
(integer) 1
redis> SADD myset "World"
(integer) 1
redis> SADD myset "World"
(integer) 0
redis> SMEMBERS myset
1) "Hello"
2) "World"
Add one or more members to a set
SCARD key
redis> SADD myset "Hello"
(integer) 1
redis> SADD myset "World"
(integer) 1
redis> SCARD myset
(integer) 2
Get the number of members in a set
SDIFF key [key ...]
redis> SADD key1 "a"
(integer) 1
redis> SADD key1 "b"
(integer) 1
redis> SADD key1 "c"
(integer) 1
redis> SADD key2 "c"
(integer) 1
redis> SADD key2 "d"
(integer) 1
redis> SADD key2 "e"
(integer) 1
redis> SDIFF key1 key2
1) "a"
2) "b"
Subtract multiple sets
SDIFFSTORE destination key [key ...]
redis> SADD key1 "a"
(integer) 1
redis> SADD key1 "b"
(integer) 1
redis> SADD key1 "c"
(integer) 1
redis> SADD key2 "c"
(integer) 1
redis> SADD key2 "d"
(integer) 1
redis> SADD key2 "e"
(integer) 1
redis> SDIFFSTORE key key1 key2
(integer) 2
redis> SMEMBERS key
1) "a"
2) "b"
Subtract multiple sets and store the resulting set in a key
SINTER key [key ...]
redis> SADD key1 "a"
(integer) 1
redis> SADD key1 "b"
(integer) 1
redis> SADD key1 "c"
(integer) 1
redis> SADD key2 "c"
(integer) 1
redis> SADD key2 "d"
(integer) 1
redis> SADD key2 "e"
(integer) 1
redis> SINTER key1 key2
1) "c"
Intersect multiple sets
SINTERSTORE destination key [key ...]
redis> SADD key1 "a"
(integer) 1
redis> SADD key1 "b"
(integer) 1
redis> SADD key1 "c"
(integer) 1
redis> SADD key2 "c"
(integer) 1
redis> SADD key2 "d"
(integer) 1
redis> SADD key2 "e"
(integer) 1
redis> SINTERSTORE key key1 key2
(integer) 1
redis> SMEMBERS key
1) "c"
Intersect multiple sets and store the resulting set in a key
SISMEMBER key member
redis> SADD myset "one"
(integer) 1
redis> SISMEMBER myset "one"
(integer) 1
redis> SISMEMBER myset "two"
(integer) 0
Determine if a given value is a member of a set
SMISMEMBER key member [member ...]
redis> SADD myset "one"
(integer) 1
redis> SADD myset "one"
(integer) 0
redis> SMISMEMBER myset "one" "notamember"
1) (integer) 1
2) (integer) 0
Returns the membership associated with the given elements for a set
SMEMBERS key
redis> SADD myset "Hello"
(integer) 1
redis> SADD myset "World"
(integer) 1
redis> SMEMBERS myset
1) "Hello"
2) "World"
Get all the members in a set
SMOVE source destination member
redis> SADD myset "one"
(integer) 1
redis> SADD myset "two"
(integer) 1
redis> SADD myotherset "three"
(integer) 1
redis> SMOVE myset myotherset "two"
(integer) 1
redis> SMEMBERS myset
1) "one"
redis> SMEMBERS myotherset
1) "two"
2) "three"
Move a member from one set to another
SPOP key [count]
redis> SADD myset "one"
(integer) 1
redis> SADD myset "two"
(integer) 1
redis> SADD myset "three"
(integer) 1
redis> SPOP myset
"two"
redis> SMEMBERS myset
1) "one"
2) "three"
redis> SADD myset "four"
(integer) 1
redis> SADD myset "five"
(integer) 1
redis> SPOP myset 3
1) "four"
2) "five"
3) "three"
redis> SMEMBERS myset
1) "one"
Remove and return one or multiple random members from a set
SRANDMEMBER key [count]
redis> SADD myset one two three
(integer) 3
redis> SRANDMEMBER myset
"three"
redis> SRANDMEMBER myset 2
1) "two"
2) "three"
redis> SRANDMEMBER myset -5
1) "one"
2) "two"
3) "three"
4) "three"
5) "one"
Get one or multiple random members from a set
SREM key member [member ...]
redis> SADD myset "one"
(integer) 1
redis> SADD myset "two"
(integer) 1
redis> SADD myset "three"
(integer) 1
redis> SREM myset "one"
(integer) 1
redis> SREM myset "four"
(integer) 0
redis> SMEMBERS myset
1) "two"
2) "three"
Remove one or more members from a set
SUNION key [key ...]
redis> SADD key1 "a"
(integer) 1
redis> SADD key1 "b"
(integer) 1
redis> SADD key1 "c"
(integer) 1
redis> SADD key2 "c"
(integer) 1
redis> SADD key2 "d"
(integer) 1
redis> SADD key2 "e"
(integer) 1
redis> SUNION key1 key2
1) "a"
2) "c"
3) "e"
4) "b"
5) "d"
Add multiple sets
SUNIONSTORE destination key [key ...]
redis> SADD key1 "a"
(integer) 1
redis> SADD key1 "b"
(integer) 1
redis> SADD key1 "c"
(integer) 1
redis> SADD key2 "c"
(integer) 1
redis> SADD key2 "d"
(integer) 1
redis> SADD key2 "e"
(integer) 1
redis> SUNIONSTORE key key1 key2
(integer) 5
redis> SMEMBERS key
1) "a"
2) "c"
3) "e"
4) "b"
5) "d"
Add multiple sets and store the resulting set in a key
BRPOPLPUSH — Pop an element from a list, push it to another list and return it; or block until one is available
BLMOVE — Pop an element from a list, push it to another list and return it; or block until one is available
BLPOP key [key ...] timeout
redis> DEL list1 list2
(integer) 0
redis> RPUSH list1 a b c
(integer) 3
redis> BLPOP list1 list2 0
1) "list1"
2) "a"
Remove and get the first element in a list, or block until one is available |
BRPOP key [key ...] timeout
redis> DEL list1 list2
(integer) 0
redis> RPUSH list1 a b c
(integer) 3
redis> BRPOP list1 list2 0
1) "list1"
2) "c"
Remove and get the last element in a list, or block until one is available |
LINDEX key index
redis> LPUSH mylist "World"
(integer) 1
redis> LPUSH mylist "Hello"
(integer) 2
redis> LINDEX mylist 0
"Hello"
redis> LINDEX mylist -1
"World"
redis> LINDEX mylist 3
(nil)
Get an element from a list by its index
LINSERT key BEFORE|AFTER pivot element
redis> RPUSH mylist "Hello"
(integer) 1
redis> RPUSH mylist "World"
(integer) 2
redis> LINSERT mylist BEFORE "World" "There"
(integer) 3
redis> LRANGE mylist 0 -1
1) "Hello"
2) "There"
3) "World"
Insert an element before or after another element in a list
LLEN key
redis> LPUSH mylist "World"
(integer) 1
redis> LPUSH mylist "Hello"
(integer) 2
redis> LLEN mylist
(integer) 2
Get the length of a list
LPOP key [count]
redis> RPUSH mylist "one"
(integer) 1
redis> RPUSH mylist "two"
(integer) 2
redis> RPUSH mylist "three"
(integer) 3
redis> LPOP mylist
"one"
redis> LRANGE mylist 0 -1
1) "two"
2) "three"
Remove and get the first elements in a list
LPOS key element [RANK rank] [COUNT num-matches] [MAXLEN len]
redis> RPUSH mylist a b c d 1 2 3 4 3 3 3
(integer) 11
redis> LPOS mylist 3
(integer) 6
redis> LPOS mylist 3 COUNT 0 RANK 2
1) (integer) 8
2) (integer) 9
3) (integer) 10
Return the index of matching elements on a list
LPUSH key element [element ...]
redis> LPUSH mylist "world"
(integer) 1
redis> LPUSH mylist "hello"
(integer) 2
redis> LRANGE mylist 0 -1
1) "hello"
2) "world"
Prepend one or multiple elements to a list
LPUSHX key element [element ...]
redis> LPUSH mylist "World"
(integer) 1
redis> LPUSHX mylist "Hello"
(integer) 2
redis> LPUSHX myotherlist "Hello"
(integer) 0
redis> LRANGE mylist 0 -1
1) "Hello"
2) "World"
redis> LRANGE myotherlist 0 -1
(empty list or set)
Prepend an element to a list, only if the list exists
LRANGE key start stop
redis> RPUSH mylist "one"
(integer) 1
redis> RPUSH mylist "two"
(integer) 2
redis> RPUSH mylist "three"
(integer) 3
redis> LRANGE mylist 0 0
1) "one"
redis> LRANGE mylist -3 2
1) "one"
2) "two"
3) "three"
redis> LRANGE mylist -100 100
1) "one"
2) "two"
3) "three"
redis> LRANGE mylist 5 10
(empty list or set)
Get a range of elements from a list
LREM key count element
redis> RPUSH mylist "hello"
(integer) 1
redis> RPUSH mylist "hello"
(integer) 2
redis> RPUSH mylist "foo"
(integer) 3
redis> RPUSH mylist "hello"
(integer) 4
redis> LREM mylist -2 "hello"
(integer) 2
redis> LRANGE mylist 0 -1
1) "hello"
2) "foo"
Remove elements from a list
LSET key index element
redis> RPUSH mylist "one"
(integer) 1
redis> RPUSH mylist "two"
(integer) 2
redis> RPUSH mylist "three"
(integer) 3
redis> LSET mylist 0 "four"
"OK"
redis> LSET mylist -2 "five"
"OK"
redis> LRANGE mylist 0 -1
1) "four"
2) "five"
3) "three"
Set the value of an element in a list by its index
LTRIM key start stop
redis> RPUSH mylist "one"
(integer) 1
redis> RPUSH mylist "two"
(integer) 2
redis> RPUSH mylist "three"
(integer) 3
redis> LTRIM mylist 1 -1
"OK"
redis> LRANGE mylist 0 -1
1) "two"
2) "three"
Trim a list to the specified range
RPOP key [count]
redis> RPUSH mylist "one"
(integer) 1
redis> RPUSH mylist "two"
(integer) 2
redis> RPUSH mylist "three"
(integer) 3
redis> RPOP mylist
"three"
redis> LRANGE mylist 0 -1
1) "one"
2) "two"
Remove and get the last elements in a list
RPOPLPUSH source destination
redis> RPUSH mylist "one"
(integer) 1
redis> RPUSH mylist "two"
(integer) 2
redis> RPUSH mylist "three"
(integer) 3
redis> RPOPLPUSH mylist myotherlist
"three"
redis> LRANGE mylist 0 -1
1) "one"
2) "two"
redis> LRANGE myotherlist 0 -1
1) "three"
Remove the last element in a list, prepend it to another list and return it
LMOVE source destination LEFT|RIGHT LEFT|RIGHT
redis> RPUSH mylist "one"
(integer) 1
redis> RPUSH mylist "two"
(integer) 2
redis> RPUSH mylist "three"
(integer) 3
redis> LMOVE mylist myotherlist RIGHT LEFT
"three"
redis> LMOVE mylist myotherlist LEFT RIGHT
"one"
redis> LRANGE mylist 0 -1
1) "two"
redis> LRANGE myotherlist 0 -1
1) "three"
2) "one"
Pop an element from a list, push it to another list and return it
RPUSH key element [element ...]
redis> RPUSH mylist "hello"
(integer) 1
redis> RPUSH mylist "world"
(integer) 2
redis> LRANGE mylist 0 -1
1) "hello"
2) "world"
Append one or multiple elements to a list
RPUSHX key element [element ...]
redis> RPUSH mylist "Hello"
(integer) 1
redis> RPUSHX mylist "World"
(integer) 2
redis> RPUSHX myotherlist "World"
(integer) 0
redis> LRANGE mylist 0 -1
1) "Hello"
2) "World"
redis> LRANGE myotherlist 0 -1
(empty list or set)
Append an element to a list, only if the list exists
HDEL key field [field ...]
redis> HSET myhash field1 "foo"
(integer) 1
redis> HDEL myhash field1
(integer) 1
redis> HDEL myhash field2
(integer) 0
Delete one or more hash fields
HEXISTS key field
redis> HSET myhash field1 "foo"
(integer) 1
redis> HEXISTS myhash field1
(integer) 1
redis> HEXISTS myhash field2
(integer) 0
Determine if a hash field exists
HGET key field
redis> HSET myhash field1 "foo"
(integer) 1
redis> HGET myhash field1
"foo"
redis> HGET myhash field2
(nil)
Get the value of a hash field
HGETALL key
redis> HSET myhash field1 "Hello"
(integer) 1
redis> HSET myhash field2 "World"
(integer) 1
redis> HGETALL myhash
1) "field1"
2) "Hello"
3) "field2"
4) "World"
Get all the fields and values in a hash
HINCRBY key field increment
redis> HSET myhash field 5
(integer) 1
redis> HINCRBY myhash field 1
(integer) 6
redis> HINCRBY myhash field -1
(integer) 5
redis> HINCRBY myhash field -10
(integer) -5
Increment the integer value of a hash field by the given number
HINCRBYFLOAT key field increment
redis> HSET mykey field 10.50
(integer) 1
redis> HINCRBYFLOAT mykey field 0.1
"10.6"
redis> HINCRBYFLOAT mykey field -5
"5.6"
redis> HSET mykey field 5.0e3
(integer) 0
redis> HINCRBYFLOAT mykey field 2.0e2
"5200"
Increment the float value of a hash field by the given amount
HKEYS key
redis> HSET myhash field1 "Hello"
(integer) 1
redis> HSET myhash field2 "World"
(integer) 1
redis> HKEYS myhash
1) "field1"
2) "field2"
Get all the fields in a hash
HLEN key
redis> HSET myhash field1 "Hello"
(integer) 1
redis> HSET myhash field2 "World"
(integer) 1
redis> HLEN myhash
(integer) 2
Get the number of fields in a hash
HMGET key field [field ...]
redis> HSET myhash field1 "Hello"
(integer) 1
redis> HSET myhash field2 "World"
(integer) 1
redis> HMGET myhash field1 field2 nofield
1) "Hello"
2) "World"
3) (nil)
Get the values of all the given hash fields
HMSET key field value [field value ...]
redis> HMSET myhash field1 "Hello" field2 "World"
"OK"
redis> HGET myhash field1
"Hello"
redis> HGET myhash field2
"World"
Set multiple hash fields to multiple values
HSET key field value [field value ...]
redis> HSET myhash field1 "Hello"
(integer) 1
redis> HGET myhash field1
"Hello"
Set the string value of a hash field
HSETNX key field value
redis> HSETNX myhash field "Hello"
(integer) 1
redis> HSETNX myhash field "World"
(integer) 0
redis> HGET myhash field
"Hello"
Set the value of a hash field, only if the field does not exist
HSTRLEN key field
redis> HMSET myhash f1 HelloWorld f2 99 f3 -256
"OK"
redis> HSTRLEN myhash f1
(integer) 10
redis> HSTRLEN myhash f2
(integer) 2
redis> HSTRLEN myhash f3
(integer) 4
Get the length of the value of a hash field
HVALS key
redis> HSET myhash field1 "Hello"
(integer) 1
redis> HSET myhash field2 "World"
(integer) 1
redis> HVALS myhash
1) "Hello"
2) "World"
Get all the values in a hash
BZPOPMIN key [key ...] timeout
redis> DEL zset1 zset2
(integer) 0
redis> ZADD zset1 0 a 1 b 2 c
(integer) 3
redis> BZPOPMIN zset1 zset2 0
1) "zset1"
2) "a"
3) "0"
Remove and return the member with the lowest score from one or more sorted sets, or block until one is available
BZPOPMAX key [key ...] timeout
redis> DEL zset1 zset2
(integer) 0
redis> ZADD zset1 0 a 1 b 2 c
(integer) 3
redis> BZPOPMAX zset1 zset2 0
1) "zset1"
2) "c"
3) "2"
Remove and return the member with the highest score from one or more sorted sets, or block until one is available
ZADD key [NX|XX] [GT|LT] [CH] [INCR] score member [score member ...]
redis> ZADD myzset 1 "one"
(integer) 1
redis> ZADD myzset 1 "uno"
(integer) 1
redis> ZADD myzset 2 "two" 3 "three"
(integer) 2
redis> ZRANGE myzset 0 -1 WITHSCORES
1) "one"
2) "1"
3) "uno"
4) "1"
5) "two"
6) "2"
7) "three"
8) "3"
Add one or more members to a sorted set, or update its score if it already exists
ZCARD key
redis> ZADD myzset 1 "one"
(integer) 1
redis> ZADD myzset 2 "two"
(integer) 1
redis> ZCARD myzset
(integer) 2
Get the number of members in a sorted set
ZSCORE key member
redis> ZADD myzset 1 "one"
(integer) 1
redis> ZSCORE myzset "one"
"1"
Get the score associated with the given member in a sorted set
ZCOUNT key min max
redis> ZADD myzset 1 "one"
(integer) 1
redis> ZADD myzset 2 "two"
(integer) 1
redis> ZADD myzset 3 "three"
(integer) 1
redis> ZCOUNT myzset -inf +inf
(integer) 3
redis> ZCOUNT myzset (1 3
(integer) 2
Count the members in a sorted set with scores within the given values
ZDIFF numkeys key [key ...] [WITHSCORES]
redis> ZADD zset1 1 "one"
(integer) 1
redis> ZADD zset1 2 "two"
(integer) 1
redis> ZADD zset1 3 "three"
(integer) 1
redis> ZADD zset2 1 "one"
(integer) 1
redis> ZADD zset2 2 "two"
(integer) 1
redis> ZDIFF 2 zset1 zset2
1) "three"
redis> ZDIFF 2 zset1 zset2 WITHSCORES
1) "three"
2) "3"
Subtract multiple sorted sets
ZDIFFSTORE destination numkeys key [key ...]
redis> ZADD zset1 1 "one"
(integer) 1
redis> ZADD zset1 2 "two"
(integer) 1
redis> ZADD zset1 3 "three"
(integer) 1
redis> ZADD zset2 1 "one"
(integer) 1
redis> ZADD zset2 2 "two"
(integer) 1
redis> ZDIFFSTORE out 2 zset1 zset2
(integer) 1
redis> ZRANGE out 0 -1 WITHSCORES
1) "three"
2) "3"
Subtract multiple sorted sets and store the resulting sorted set in a new key
ZINCRBY key increment member
redis> ZADD myzset 1 "one"
(integer) 1
redis> ZADD myzset 2 "two"
(integer) 1
redis> ZINCRBY myzset 2 "one"
"3"
redis> ZRANGE myzset 0 -1 WITHSCORES
1) "two"
2) "2"
3) "one"
4) "3"
Increment the score of a member in a sorted set
ZINTER numkeys key [key ...] [WEIGHTS weight [weight ...]] [AGGREGATE SUM|MIN|MAX] [WITHSCORES]
redis> ZADD zset1 1 "one"
(integer) 1
redis> ZADD zset1 2 "two"
(integer) 1
redis> ZADD zset2 1 "one"
(integer) 1
redis> ZADD zset2 2 "two"
(integer) 1
redis> ZADD zset2 3 "three"
(integer) 1
redis> ZINTER 2 zset1 zset2
1) "one"
2) "two"
redis> ZINTER 2 zset1 zset2 WITHSCORES
1) "one"
2) "2"
3) "two"
4) "4"
Intersect multiple sorted sets
ZINTERSTORE destination numkeys key [key ...] [WEIGHTS weight [weight ...]] [AGGREGATE SUM|MIN|MAX]
redis> ZADD zset1 1 "one"
(integer) 1
redis> ZADD zset1 2 "two"
(integer) 1
redis> ZADD zset2 1 "one"
(integer) 1
redis> ZADD zset2 2 "two"
(integer) 1
redis> ZADD zset2 3 "three"
(integer) 1
redis> ZINTERSTORE out 2 zset1 zset2 WEIGHTS 2 3
(integer) 2
redis> ZRANGE out 0 -1 WITHSCORES
1) "one"
2) "5"
3) "two"
4) "10"
Intersect multiple sorted sets and store the resulting sorted set in a new key
ZLEXCOUNT key min max
redis> ZADD myzset 0 a 0 b 0 c 0 d 0 e
(integer) 5
redis> ZADD myzset 0 f 0 g
(integer) 2
redis> ZLEXCOUNT myzset - +
(integer) 7
redis> ZLEXCOUNT myzset [b [f
(integer) 5
Count the number of members in a sorted set between a given lexicographical range
ZPOPMAX key [count]
redis> ZADD myzset 1 "one"
(integer) 1
redis> ZADD myzset 2 "two"
(integer) 1
redis> ZADD myzset 3 "three"
(integer) 1
redis> ZPOPMAX myzset
1) "three"
2) "3"
Remove and return members with the highest scores in a sorted set
ZPOPMIN key [count]
redis> ZADD myzset 1 "one"
(integer) 1
redis> ZADD myzset 2 "two"
(integer) 1
redis> ZADD myzset 3 "three"
(integer) 1
redis> ZPOPMIN myzset
1) "one"
2) "1"
Remove and return members with the lowest scores in a sorted set
ZRANGE key start stop [WITHSCORES]
redis> ZADD myzset 1 "one"
(integer) 1
redis> ZADD myzset 2 "two"
(integer) 1
redis> ZADD myzset 3 "three"
(integer) 1
redis> ZRANGE myzset 0 -1
1) "one"
2) "two"
3) "three"
redis> ZRANGE myzset 2 3
1) "three"
redis> ZRANGE myzset -2 -1
1) "two"
2) "three"
Return a range of members in a sorted set, by index
ZRANGEBYLEX key min max [LIMIT offset count]
redis> ZADD myzset 0 a 0 b 0 c 0 d 0 e 0 f 0 g
(integer) 7
redis> ZRANGEBYLEX myzset - [c
1) "a"
2) "b"
3) "c"
redis> ZRANGEBYLEX myzset - (c
1) "a"
2) "b"
redis> ZRANGEBYLEX myzset [aaa (g
1) "b"
2) "c"
3) "d"
4) "e"
5) "f"
Return a range of members in a sorted set, by lexicographical range
ZREVRANGEBYLEX key max min [LIMIT offset count]
redis> ZADD myzset 0 a 0 b 0 c 0 d 0 e 0 f 0 g
(integer) 7
redis> ZREVRANGEBYLEX myzset [c -
1) "c"
2) "b"
3) "a"
redis> ZREVRANGEBYLEX myzset (c -
1) "b"
2) "a"
redis> ZREVRANGEBYLEX myzset (g [aaa
1) "f"
2) "e"
3) "d"
4) "c"
5) "b"
Return a range of members in a sorted set, by lexicographical range, ordered from higher to lower strings.
ZRANGEBYSCORE key min max [WITHSCORES] [LIMIT offset count]
redis> ZADD myzset 1 "one"
(integer) 1
redis> ZADD myzset 2 "two"
(integer) 1
redis> ZADD myzset 3 "three"
(integer) 1
redis> ZRANGEBYSCORE myzset -inf +inf
1) "one"
2) "two"
3) "three"
redis> ZRANGEBYSCORE myzset 1 2
1) "one"
2) "two"
redis> ZRANGEBYSCORE myzset (1 2
1) "two"
redis> ZRANGEBYSCORE myzset (1 (2
(empty list or set)
Return a range of members in a sorted set, by score
ZRANK key member
redis> ZADD myzset 1 "one"
(integer) 1
redis> ZADD myzset 2 "two"
(integer) 1
redis> ZADD myzset 3 "three"
(integer) 1
redis> ZRANK myzset "three"
(integer) 2
redis> ZRANK myzset "four"
(nil)
Determine the index of a member in a sorted set
ZREM key member [member ...]
redis> ZADD myzset 1 "one"
(integer) 1
redis> ZADD myzset 2 "two"
(integer) 1
redis> ZADD myzset 3 "three"
(integer) 1
redis> ZREM myzset "two"
(integer) 1
redis> ZRANGE myzset 0 -1 WITHSCORES
1) "one"
2) "1"
3) "three"
4) "3"
Remove one or more members from a sorted set
ZREMRANGEBYLEX key min max
redis> ZADD myzset 0 aaaa 0 b 0 c 0 d 0 e
(integer) 5
redis> ZADD myzset 0 foo 0 zap 0 zip 0 ALPHA 0 alpha
(integer) 5
redis> ZRANGE myzset 0 -1
1) "ALPHA"
2) "aaaa"
3) "alpha"
4) "b"
5) "c"
6) "d"
7) "e"
8) "foo"
9) "zap"
10) "zip"
redis> ZREMRANGEBYLEX myzset [alpha [omega
(integer) 6
redis> ZRANGE myzset 0 -1
1) "ALPHA"
2) "aaaa"
3) "zap"
4) "zip"
Remove all members in a sorted set between the given lexicographical range
ZREMRANGEBYRANK key start stop
redis> ZADD myzset 1 "one"
(integer) 1
redis> ZADD myzset 2 "two"
(integer) 1
redis> ZADD myzset 3 "three"
(integer) 1
redis> ZREMRANGEBYRANK myzset 0 1
(integer) 2
redis> ZRANGE myzset 0 -1 WITHSCORES
1) "three"
2) "3"
Remove all members in a sorted set within the given indexes
ZREMRANGEBYSCORE key min max
redis> ZADD myzset 1 "one"
(integer) 1
redis> ZADD myzset 2 "two"
(integer) 1
redis> ZADD myzset 3 "three"
(integer) 1
redis> ZREMRANGEBYSCORE myzset -inf (2
(integer) 1
redis> ZRANGE myzset 0 -1 WITHSCORES
1) "two"
2) "2"
3) "three"
4) "3"
Remove all members in a sorted set within the given scores
ZREVRANGE key start stop [WITHSCORES]
redis> ZADD myzset 1 "one"
(integer) 1
redis> ZADD myzset 2 "two"
(integer) 1
redis> ZADD myzset 3 "three"
(integer) 1
redis> ZREVRANGE myzset 0 -1
1) "three"
2) "two"
3) "one"
redis> ZREVRANGE myzset 2 3
1) "one"
redis> ZREVRANGE myzset -2 -1
1) "two"
2) "one"
Return a range of members in a sorted set, by index, with scores ordered from high to low
ZREVRANGEBYSCORE key max min [WITHSCORES] [LIMIT offset count]
redis> ZADD myzset 1 "one"
(integer) 1
redis> ZADD myzset 2 "two"
(integer) 1
redis> ZADD myzset 3 "three"
(integer) 1
redis> ZREVRANGEBYSCORE myzset +inf -inf
1) "three"
2) "two"
3) "one"
redis> ZREVRANGEBYSCORE myzset 2 1
1) "two"
2) "one"
redis> ZREVRANGEBYSCORE myzset 2 (1
1) "two"
redis> ZREVRANGEBYSCORE myzset (2 (1
(empty list or set)
Return a range of members in a sorted set, by score, with scores ordered from high to low
ZREVRANK key member
redis> ZADD myzset 1 "one"
(integer) 1
redis> ZADD myzset 2 "two"
(integer) 1
redis> ZADD myzset 3 "three"
(integer) 1
redis> ZREVRANK myzset "one"
(integer) 2
redis> ZREVRANK myzset "four"
(nil)
Determine the index of a member in a sorted set, with scores ordered from high to low
ZUNION numkeys key [key ...] [WEIGHTS weight [weight ...]] [AGGREGATE SUM|MIN|MAX] [WITHSCORES]
redis> ZADD zset1 1 "one"
(integer) 1
redis> ZADD zset1 2 "two"
(integer) 1
redis> ZADD zset2 1 "one"
(integer) 1
redis> ZADD zset2 2 "two"
(integer) 1
redis> ZADD zset2 3 "three"
(integer) 1
redis> ZUNION 2 zset1 zset2
1) "one"
2) "three"
3) "two"
redis> ZUNION 2 zset1 zset2 WITHSCORES
1) "one"
2) "2"
3) "three"
4) "3"
5) "two"
6) "4"
Add multiple sorted sets
ZMSCORE key member [member ...]
redis> ZADD myzset 1 "one"
(integer) 1
redis> ZADD myzset 2 "two"
(integer) 1
redis> ZMSCORE myzset "one" "two" "nofield"
1) "1"
2) "2"
3) (nil)
Get the score associated with the given members in a sorted set
ZUNIONSTORE destination numkeys key [key ...] [WEIGHTS weight [weight ...]] [AGGREGATE SUM|MIN|MAX]
redis> ZADD zset1 1 "one"
(integer) 1
redis> ZADD zset1 2 "two"
(integer) 1
redis> ZADD zset2 1 "one"
(integer) 1
redis> ZADD zset2 2 "two"
(integer) 1
redis> ZADD zset2 3 "three"
(integer) 1
redis> ZUNIONSTORE out 2 zset1 zset2 WEIGHTS 2 3
(integer) 3
redis> ZRANGE out 0 -1 WITHSCORES
1) "one"
2) "5"
3) "three"
4) "9"
5) "two"
6) "10"
Add multiple sorted sets and store the resulting sorted set in a new key
GEOADD key longitude latitude member [longitude latitude member ...]
redis> GEOADD Sicily 13.361389 38.115556 "Palermo" 15.087269 37.502669 "Catania"
(integer) 2
redis> GEODIST Sicily Palermo Catania
"166274.1516"
redis> GEORADIUS Sicily 15 37 100 km
1) "Catania"
redis> GEORADIUS Sicily 15 37 200 km
1) "Palermo"
2) "Catania"
Add one or more geospatial items in the geospatial index represented using a sorted set
GEOHASH key member [member ...]
redis> GEOADD Sicily 13.361389 38.115556 "Palermo" 15.087269 37.502669 "Catania"
(integer) 2
redis> GEOHASH Sicily Palermo Catania
1) "sqc8b49rny0"
2) "sqdtr74hyu0"
Returns members of a geospatial index as standard geohash strings
GEOPOS key member [member ...]
redis> GEOADD Sicily 13.361389 38.115556 "Palermo" 15.087269 37.502669 "Catania"
(integer) 2
redis> GEOPOS Sicily Palermo Catania NonExisting
1) 1) "13.36138933897018433"
2) "38.11555639549629859"
2) 1) "15.08726745843887329"
2) "37.50266842333162032"
3) (nil)
Returns longitude and latitude of members of a geospatial index
GEODIST key member1 member2 [m|km|ft|mi]
redis> GEOADD Sicily 13.361389 38.115556 "Palermo" 15.087269 37.502669 "Catania"
(integer) 2
redis> GEODIST Sicily Palermo Catania
"166274.1516"
redis> GEODIST Sicily Palermo Catania km
"166.2742"
redis> GEODIST Sicily Palermo Catania mi
"103.3182"
redis> GEODIST Sicily Foo Bar
(nil)
Returns the distance between two members of a geospatial index
GEORADIUS key longitude latitude radius m|km|ft|mi [WITHCOORD] [WITHDIST] [WITHHASH] [COUNT count] [ASC|DESC] [STORE key] [STOREDIST key]
redis> GEOADD Sicily 13.361389 38.115556 "Palermo" 15.087269 37.502669 "Catania"
(integer) 2
redis> GEORADIUS Sicily 15 37 200 km WITHDIST
1) 1) "Palermo"
2) "190.4424"
2) 1) "Catania"
2) "56.4413"
redis> GEORADIUS Sicily 15 37 200 km WITHCOORD
1) 1) "Palermo"
2) 1) "13.36138933897018433"
2) "38.11555639549629859"
2) 1) "Catania"
2) 1) "15.08726745843887329"
2) "37.50266842333162032"
redis> GEORADIUS Sicily 15 37 200 km WITHDIST WITHCOORD
1) 1) "Palermo"
2) "190.4424"
3) 1) "13.36138933897018433"
2) "38.11555639549629859"
2) 1) "Catania"
2) "56.4413"
3) 1) "15.08726745843887329"
2) "37.50266842333162032"
Query a sorted set representing a geospatial index to fetch members matching a given maximum distance from a point
GEORADIUSBYMEMBER key member radius m|km|ft|mi [WITHCOORD] [WITHDIST] [WITHHASH] [COUNT count] [ASC|DESC] [STORE key] [STOREDIST key]
redis> GEOADD Sicily 13.583333 37.316667 "Agrigento"
(integer) 1
redis> GEOADD Sicily 13.361389 38.115556 "Palermo" 15.087269 37.502669 "Catania"
(integer) 2
redis> GEORADIUSBYMEMBER Sicily Agrigento 100 km
1) "Agrigento"
2) "Palermo"
Query a sorted set representing a geospatial index to fetch members matching a given maximum distance from a member
GEOSEARCH key [FROMMEMBER member] [FROMLONLAT longitude latitude] [BYRADIUS radius m|km|ft|mi] [BYBOX width height m|km|ft|mi] [ASC|DESC] [COUNT count] [WITHCOORD] [WITHDIST] [WITHHASH]
redis> GEOADD Sicily 13.361389 38.115556 "Palermo" 15.087269 37.502669 "Catania"
(integer) 2
redis> GEOADD Sicily 12.758489 38.788135 "edge1" 17.241510 38.788135 "edge2"
(integer) 2
redis> GEOSEARCH Sicily FROMLONLAT 15 37 BYRADIUS 200 km ASC
1) "Catania"
2) "Palermo"
redis> GEOSEARCH Sicily FROMLONLAT 15 37 BYBOX 400 400 km ASC
1) "Catania"
2) "Palermo"
3) "edge2"
4) "edge1"
Query a sorted set representing a geospatial index to fetch members inside an area of a box or a circle.
GEOSEARCHSTORE — Query a sorted set representing a geospatial index to fetch members inside an area of a box or a circle, and store the result in another key.
PFADD key element [element ...]
redis> PFADD hll a b c d e f g
(integer) 1
redis> PFCOUNT hll
(integer) 7
Adds the specified elements to the specified HyperLogLog.
PFCOUNT key [key ...]
redis> PFADD hll foo bar zap
(integer) 1
redis> PFADD hll zap zap zap
(integer) 0
redis> PFADD hll foo bar
(integer) 0
redis> PFCOUNT hll
(integer) 3
redis> PFADD some-other-hll 1 2 3
(integer) 1
redis> PFCOUNT hll some-other-hll
(integer) 6
Return the approximated cardinality of the set(s) observed by the HyperLogLog at key(s).
PFMERGE destkey sourcekey [sourcekey ...]
redis> PFADD hll1 foo bar zap a
(integer) 1
redis> PFADD hll2 a b c foo
(integer) 1
redis> PFMERGE hll3 hll1 hll2
"OK"
redis> PFCOUNT hll3
(integer) 6
Merge N different HyperLogLogs into a single one.
COMMAND
redis> COMMAND
1) 1) "georadius_ro"
2) (integer) -6
3) 1) "readonly"
2) "movablekeys"
4) (integer) 1
5) (integer) 1
6) (integer) 1
7) 1) "@read"
2) "@geo"
3) "@slow"
2) 1) "zpopmin"
2) (integer) -2
3) 1) "write"
2) "fast"
........
Get array of Redis command details
ACL LOAD — Reload the ACLs from the configured ACL file
ACL SAVE — Save the current ACL rules in the configured ACL file
ACL LIST — List the current ACL rules in ACL config file format
ACL USERS — List the username of all the configured ACL rules
ACL GETUSER — Get the rules for a specific ACL user
ACL SETUSER — Modify or create the rules for a specific ACL user
ACL DELUSER — Remove the specified ACL users and the associated rules
ACL CAT — List the ACL categories or the commands inside a category
ACL GENPASS — Generate a pseudorandom secure password to use for ACL users
ACL WHOAMI — Return the name of the user associated to the current connection
ACL LOG — List latest events denied because of ACLs in place
ACL HELP — Show helpful text about the different subcommands
BGREWRITEAOF — Asynchronously rewrite the append-only file
BGSAVE — Asynchronously save the dataset to disk
CONFIG GET — Get the value of a configuration parameter
CONFIG REWRITE — Rewrite the configuration file with the in memory configuration
CONFIG SET — Set a configuration parameter to the given value
CONFIG RESETSTAT — Reset the stats returned by INFO
DBSIZE — Return the number of keys in the selected database
DEBUG OBJECT — Get debugging information about a key
DEBUG SEGFAULT — Make the server crash
FLUSHALL — Remove all keys from all databases
FLUSHDB — Remove all keys from the current database
LOLWUT — Display some computer art and the Redis version
LASTSAVE — Get the UNIX time stamp of the last successful save to disk
MEMORY DOCTOR — Outputs memory problems report
MEMORY HELP — Show helpful text about the different subcommands
MEMORY MALLOC-STATS — Show allocator internal stats
MEMORY PURGE — Ask the allocator to release memory
MEMORY STATS — Show memory usage details
MEMORY USAGE — Estimate the memory usage of a key
MODULE LIST — List all modules loaded by the server
MODULE LOAD — Load a module
MODULE UNLOAD — Unload a module
MONITOR — Listen for all requests received by the server in real time
SAVE — Synchronously save the dataset to disk
SHUTDOWN — Synchronously save the dataset to disk and then shut down the server
SLAVEOF — Make the server a replica of another instance, or promote it as master. Deprecated starting with Redis 5. Use REPLICAOF instead.
REPLICAOF — Make the server a replica of another instance, or promote it as master.
SLOWLOG — Manages the Redis slow queries log
SWAPDB — Swaps two Redis databases
SYNC — Internal command used for replication
PSYNC — Internal command used for replication
LATENCY DOCTOR — Return a human readable latency analysis report.
LATENCY GRAPH — Return a latency graph for the event.
LATENCY HISTORY — Return timestamp-latency samples for the event.
LATENCY LATEST — Return the latest latency samples for all events.
LATENCY RESET — Reset latency data for one or more events.
LATENCY HELP — Show helpful text about the different subcommands.
COMMAND COUNT
redis> COMMAND COUNT
(integer) 217
Get total number of Redis commands
COMMAND GETKEYS
redis> COMMAND GETKEYS MSET a b c d e f
1) "a"
2) "c"
3) "e"
redis> COMMAND GETKEYS EVAL "not consulted" 3 key1 key2 key3 arg1 arg2 arg3 argN
1) "key1"
2) "key2"
3) "key3"
redis> COMMAND GETKEYS SORT mylist ALPHA STORE outlist
1) "mylist"
2) "outlist"
Extract keys given a full Redis command
COMMAND INFO command-name [command-name ...]
redis> COMMAND INFO get set eval
1) 1) "get"
2) (integer) 2
3) 1) "readonly"
2) "fast"
4) (integer) 1
5) (integer) 1
6) (integer) 1
7) 1) "@read"
2) "@string"
3) "@fast"
2) 1) "set"
2) (integer) -3
3) 1) "write"
2) "denyoom"
4) (integer) 1
5) (integer) 1
6) (integer) 1
7) 1) "@write"
2) "@string"
3) "@slow"
3) 1) "eval"
2) (integer) -3
3) 1) "noscript"
2) "movablekeys"
4) (integer) 0
5) (integer) 0
6) (integer) 0
7) 1) "@slow"
2) "@scripting"
Get array of specific Redis command details
INFO [section]
redis> INFO
# Server
redis_version:6.1.240
redis_git_sha1:00000000
redis_git_dirty:0
redis_build_id:a26db646ea64a07c
redis_mode:standalone
os:Linux 5.4.0-1017-aws x86_64
......
Get information and statistics about the server
ROLE
redis> ROLE
1) "master"
2) (integer) 0
3) (empty list or set)
Return the role of the instance in the context of replication
TIME
redis> TIME
1) "1609040690"
2) "558952"
redis> TIME
1) "1609040690"
2) "559206"
Return the current server time
COPY — Copy a key
MIGRATE — Atomically transfer a key from a Redis instance to another one.
MOVE — Move a key to another database
OBJECT — Inspect the internals of Redis objects
RESTORE — Create a key using the provided serialized value, previously obtained using DUMP.
SORT — Sort the elements in a list, set or sorted set
WAIT — Wait for the synchronous replication of all the write commands sent in the context of the current connection
SCAN — Incrementally iterate the keys space
DEL key [key ...]
redis> SET key1 "Hello"
"OK"
redis> SET key2 "World"
"OK"
redis> DEL key1 key2 key3
(integer) 2
Delete a key
DUMP key
redis> SET mykey 10
"OK"
redis> DUMP mykey
"\u0000\xC0\n\t\u0000\xBEm\u0006\x89Z(\u0000\n"
Return a serialized version of the value stored at the specified key.
EXISTS key [key ...]
redis> SET key1 "Hello"
"OK"
redis> EXISTS key1
(integer) 1
redis> EXISTS nosuchkey
(integer) 0
redis> SET key2 "World"
"OK"
redis> EXISTS key1 key2 nosuchkey
(integer) 2
Determine if a key exists
EXPIRE key seconds
redis> SET mykey "Hello"
"OK"
redis> EXPIRE mykey 10
(integer) 1
redis> TTL mykey
(integer) 10
redis> SET mykey "Hello World"
"OK"
redis> TTL mykey
(integer) -1
Set a key's time to live in seconds
EXPIREAT key timestamp
redis> SET mykey "Hello"
"OK"
redis> EXISTS mykey
(integer) 1
redis> EXPIREAT mykey 1293840000
(integer) 1
redis> EXISTS mykey
(integer) 0
Set the expiration for a key as a UNIX timestamp
KEYS pattern
redis> MSET firstname Jack lastname Stuntman age 35
"OK"
redis> KEYS *name*
1) "firstname"
2) "lastname"
redis> KEYS a??
1) "age"
redis> KEYS *
1) "firstname"
2) "age"
3) "lastname"
Find all keys matching the given pattern
PERSIST key
redis> SET mykey "Hello"
"OK"
redis> EXPIRE mykey 10
(integer) 1
redis> TTL mykey
(integer) 10
redis> PERSIST mykey
(integer) 1
redis> TTL mykey
(integer) -1
Remove the expiration from a key
PEXPIRE key milliseconds
redis> SET mykey "Hello"
"OK"
redis> PEXPIRE mykey 1500
(integer) 1
redis> TTL mykey
(integer) 1
redis> PTTL mykey
(integer) 1499
Set a key's time to live in milliseconds
PEXPIREAT key milliseconds-timestamp
redis> SET mykey "Hello"
"OK"
redis> PEXPIREAT mykey 1555555555005
(integer) 1
redis> TTL mykey
(integer) -2
redis> PTTL mykey
(integer) -2
Set the expiration for a key as a UNIX timestamp specified in milliseconds
PTTL key
redis> SET mykey "Hello"
"OK"
redis> EXPIRE mykey 1
(integer) 1
redis> PTTL mykey
(integer) 1000
Get the time to live for a key in milliseconds
RENAME key newkey
redis> SET mykey "Hello"
"OK"
redis> RENAME mykey myotherkey
"OK"
redis> GET myotherkey
"Hello"
Rename a key
RENAMENX key newkey
redis> SET mykey "Hello"
"OK"
redis> SET myotherkey "World"
"OK"
redis> RENAMENX mykey myotherkey
(integer) 0
redis> GET myotherkey
"World"
Rename a key, only if the new key does not exist
TOUCH key [key ...]
redis> SET key1 "Hello"
"OK"
redis> SET key2 "World"
"OK"
redis> TOUCH key1 key2
(integer) 2
Alters the last access time of a key(s). Returns the number of existing keys specified.
TTL key
redis> SET mykey "Hello"
"OK"
redis> EXPIRE mykey 10
(integer) 1
redis> TTL mykey
(integer) 10
Get the time to live for a key
TYPE key
redis> SET key1 "value"
"OK"
redis> LPUSH key2 "value"
(integer) 1
redis> SADD key3 "value"
(integer) 1
redis> TYPE key1
"string"
redis> TYPE key2
"list"
redis> TYPE key3
"set"
Determine the type stored at key
UNLINK key [key ...]
redis> SET key1 "Hello"
"OK"
redis> SET key2 "World"
"OK"
redis> UNLINK key1 key2 key3
(integer) 2
Delete a key asynchronously in another thread. Otherwise it is just as DEL, but non blocking.
AUTH — Authenticate to the server
CLIENT CACHING — Instruct the server about tracking or not keys in the next request
CLIENT KILL — Kill the connection of a client
CLIENT LIST — Get the list of client connections
CLIENT GETNAME — Get the current connection name
CLIENT GETREDIR — Get tracking notifications redirection client ID if any
CLIENT PAUSE — Stop processing commands from clients for some time
CLIENT REPLY — Instruct the server whether to reply to commands
CLIENT SETNAME — Set the current connection name
CLIENT TRACKING — Enable or disable server assisted client side caching support
CLIENT UNBLOCK — Unblock a client blocked in a blocking command from a different connection
HELLO — switch Redis protocol
QUIT — Close the connection
RESET — Reset the connection
SELECT — Change the selected database for the current connection
CLIENT ID
redis> CLIENT ID
ERR Unknown or disabled command 'CLIENT'
Returns the client ID for the current connection
CLIENT INFO
redis> CLIENT INFO
"id=55542 addr=127.0.0.1:58710 laddr=127.0.0.1:6379 fd=8 name= age=114920 idle=0 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=26 qbuf-free=40928 argv-mem=10 obl=0 oll=0 omem=0 tot-mem=61466 events=r cmd=client user=default redir=-1\n"
Returns information about the current client connection.
ECHO message
redis> ECHO "Hello World!"
"Hello World!"
Echo the given string
PING [message]
redis> PING
"PONG"
redis> PING "hello world"
"hello world"
Ping the server
XINFO — Get information on streams and consumer groups
XDEL — Removes the specified entries from the stream. Returns the number of items actually deleted, that may be different from the number of IDs passed in case certain IDs do not exist.
XREAD — Return never seen elements in multiple streams, with IDs greater than the ones reported by the caller for each stream. Can block.
XGROUP — Create, destroy, and manage consumer groups.
XREADGROUP — Return new entries from a stream using a consumer group, or access the history of the pending entries for a given consumer. Can block.
XCLAIM — Changes (or acquires) ownership of a message in a consumer group, as if the message was delivered to the specified consumer.
XPENDING — Return information and entries from a stream consumer group pending entries list, that are messages fetched but never acknowledged.
XADD key [MAXLEN [=|~] length] [NOMKSTREAM] *|ID field value [field value ...]
redis> XADD mystream * name Sara surname OConnor
"1609040574632-0"
redis> XADD mystream * field1 value1 field2 value2 field3 value3
"1609040574632-1"
redis> XLEN mystream
(integer) 2
redis> XRANGE mystream - +
1) 1) "1609040574632-0"
2) 1) "name"
2) "Sara"
3) "surname"
4) "OConnor"
2) 1) "1609040574632-1"
2) 1) "field1"
2) "value1"
3) "field2"
4) "value2"
5) "field3"
6) "value3"
Appends a new entry to a stream
XTRIM key MAXLEN [=|~] length
redis> XADD mystream * field1 A field2 B field3 C field4 D
"1609040575750-0"
redis> XTRIM mystream MAXLEN 2
(integer) 0
redis> XRANGE mystream - +
1) 1) "1609040575750-0"
2) 1) "field1"
2) "A"
3) "field2"
4) "B"
5) "field3"
6) "C"
7) "field4"
8) "D"
Trims the stream to (approximately if '~' is passed) a certain size
XRANGE key start end [COUNT count]
redis> XADD writers * name Virginia surname Woolf
"1609040578002-0"
redis> XADD writers * name Jane surname Austen
"1609040578002-1"
redis> XADD writers * name Toni surname Morrison
"1609040578003-0"
redis> XADD writers * name Agatha surname Christie
"1609040578003-1"
redis> XADD writers * name Ngozi surname Adichie
"1609040578003-2"
redis> XLEN writers
(integer) 5
redis> XRANGE writers - + COUNT 2
1) 1) "1609040578002-0"
2) 1) "name"
2) "Virginia"
3) "surname"
4) "Woolf"
2) 1) "1609040578002-1"
2) 1) "name"
2) "Jane"
3) "surname"
4) "Austen"
Return a range of elements in a stream, with IDs matching the specified IDs interval
XREVRANGE key end start [COUNT count]
redis> XADD writers * name Virginia surname Woolf
"1609040579130-0"
redis> XADD writers * name Jane surname Austen
"1609040579130-1"
redis> XADD writers * name Toni surname Morrison
"1609040579130-2"
redis> XADD writers * name Agatha surname Christie
"1609040579131-0"
redis> XADD writers * name Ngozi surname Adichie
"1609040579131-1"
redis> XLEN writers
(integer) 5
redis> XREVRANGE writers + - COUNT 1
1) 1) "1609040579131-1"
2) 1) "name"
2) "Ngozi"
3) "surname"
4) "Adichie"
Return a range of elements in a stream, with IDs matching the specified IDs interval, in reverse order (from greater to smaller IDs) compared to XRANGE
XLEN key
redis> XADD mystream * item 1
"1609040580250-0"
redis> XADD mystream * item 2
"1609040580250-1"
redis> XADD mystream * item 3
"1609040580251-0"
redis> XLEN mystream
(integer) 3
Return the number of entries in a stream
XACK key group ID [ID ...]
redis> XACK mystream mygroup 1526569495631-0
ERR Unknown or disabled command 'XACK'
Marks a pending message as correctly processed, effectively removing it from the pending entries list of the consumer group. Return value of the command is the number of messages successfully acknowledged, that is, the IDs we were actually able to resolve in the PEL.
CLUSTER ADDSLOTS — Assign new hash slots to receiving node
CLUSTER BUMPEPOCH — Advance the cluster config epoch
CLUSTER COUNT-FAILURE-REPORTS — Return the number of failure reports active for a given node
CLUSTER COUNTKEYSINSLOT — Return the number of local keys in the specified hash slot
CLUSTER DELSLOTS — Set hash slots as unbound in receiving node
CLUSTER FAILOVER — Forces a replica to perform a manual failover of its master.
CLUSTER FLUSHSLOTS — Delete a node's own slots information
CLUSTER FORGET — Remove a node from the nodes table
CLUSTER GETKEYSINSLOT — Return local key names in the specified hash slot
CLUSTER INFO — Provides info about Redis Cluster node state
CLUSTER KEYSLOT — Returns the hash slot of the specified key
CLUSTER MEET — Force a node cluster to handshake with another node
CLUSTER MYID — Return the node id
CLUSTER NODES — Get Cluster config for the node
CLUSTER REPLICATE — Reconfigure a node as a replica of the specified master node
CLUSTER RESET — Reset a Redis Cluster node
CLUSTER SAVECONFIG — Forces the node to save cluster state on disk
CLUSTER SET-CONFIG-EPOCH — Set the configuration epoch in a new node
CLUSTER SETSLOT — Bind a hash slot to a specific node
CLUSTER SLAVES — List replica nodes of the specified master node
CLUSTER REPLICAS — List replica nodes of the specified master node
CLUSTER SLOTS — Get array of Cluster slot to node mappings
READONLY — Enables read queries for a connection to a cluster replica node
READWRITE — Disables read queries for a connection to a cluster replica node
DISCARD — Discard all commands issued after MULTI
EXEC — Execute all commands issued after MULTI
MULTI — Mark the start of a transaction block
UNWATCH — Forget about all watched keys
WATCH — Watch the given keys to determine execution of the MULTI/EXEC block
EVAL — Execute a Lua script server side
EVALSHA — Execute a Lua script server side
SCRIPT DEBUG — Set the debug mode for executed scripts.
SCRIPT EXISTS — Check existence of scripts in the script cache.
SCRIPT FLUSH — Remove all the scripts from the script cache.
SCRIPT KILL — Kill the script currently in execution.
SCRIPT LOAD — Load the specified Lua script into the script cache.
PSUBSCRIBE — Listen for messages published to channels matching the given patterns
PUBSUB — Inspect the state of the Pub/Sub subsystem
PUBLISH — Post a message to a channel
PUNSUBSCRIBE — Stop listening for messages posted to channels matching the given patterns
SUBSCRIBE — Listen for messages published to the given channels
UNSUBSCRIBE — Stop listening for messages posted to the given channels