Commands

ACL CAT

Lists the ACL categories, or the commands inside a category.

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ACL DELUSER

Deletes ACL users, and terminates their connections.

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ACL DRYRUN

Simulates the execution of a command by a user, without executing the command.

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ACL GENPASS

Generates a pseudorandom, secure password that can be used to identify ACL users.

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ACL GETUSER

Lists the ACL rules of a user.

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ACL LIST

Dumps the effective rules in ACL file format.

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ACL LOAD

Reloads the rules from the configured ACL file.

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ACL LOG

Lists recent security events generated due to ACL rules.

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ACL SAVE

Saves the effective ACL rules in the configured ACL file.

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ACL SETUSER

Creates and modifies an ACL user and its rules.

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ACL USERS

Lists all ACL users.

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ACL WHOAMI

Returns the authenticated username of the current connection.

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APPEND

Appends a string to the value of a key. Creates the key if it doesn't exist.

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ASKING

Signals that a cluster client is following an -ASK redirect.

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AUTH

Authenticates the connection.

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BF.ADD

Adds an item to a Bloom Filter

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BF.CARD

Returns the cardinality of a Bloom filter

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BF.EXISTS

Checks whether an item exists in a Bloom Filter

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BF.INFO

Returns information about a Bloom Filter

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BF.INSERT

Adds one or more items to a Bloom Filter. A filter will be created if it does not exist

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BF.LOADCHUNK

Restores a filter previously saved using SCANDUMP

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BF.MADD

Adds one or more items to a Bloom Filter. A filter will be created if it does not exist

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BF.MEXISTS

Checks whether one or more items exist in a Bloom Filter

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BF.RESERVE

Creates a new Bloom Filter

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BF.SCANDUMP

Begins an incremental save of the bloom filter

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BGREWRITEAOF

Asynchronously rewrites the append-only file to disk.

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BGSAVE

Asynchronously saves the database(s) to disk.

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BITCOUNT

Counts the number of set bits (population counting) in a string.

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BITFIELD

Performs arbitrary bitfield integer operations on strings.

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BITFIELD_RO

Performs arbitrary read-only bitfield integer operations on strings.

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BITOP

Performs bitwise operations on multiple strings, and stores the result.

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BITPOS

Finds the first set (1) or clear (0) bit in a string.

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BLMOVE

Pops an element from a list, pushes it to another list and returns it. Blocks until an element is available otherwise. Deletes the list if the last element was moved.

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BLMPOP

Pops the first element from one of multiple lists. Blocks until an element is available otherwise. Deletes the list if the last element was popped.

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BLPOP

Removes and returns the first element in a list. Blocks until an element is available otherwise. Deletes the list if the last element was popped.

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BRPOP

Removes and returns the last element in a list. Blocks until an element is available otherwise. Deletes the list if the last element was popped.

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BRPOPLPUSH

Pops an element from a list, pushes it to another list and returns it. Block until an element is available otherwise. Deletes the list if the last element was popped.

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BZMPOP

Removes and returns a member by score from one or more sorted sets. Blocks until a member is available otherwise. Deletes the sorted set if the last element was popped.

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BZPOPMAX

Removes and returns the member with the highest score from one or more sorted sets. Blocks until a member available otherwise. Deletes the sorted set if the last element was popped.

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BZPOPMIN

Removes and returns the member with the lowest score from one or more sorted sets. Blocks until a member is available otherwise. Deletes the sorted set if the last element was popped.

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CF.ADD

Adds an item to a Cuckoo Filter

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CF.ADDNX

Adds an item to a Cuckoo Filter if the item did not exist previously.

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CF.COUNT

Return the number of times an item might be in a Cuckoo Filter

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CF.DEL

Deletes an item from a Cuckoo Filter

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CF.EXISTS

Checks whether one or more items exist in a Cuckoo Filter

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CF.INFO

Returns information about a Cuckoo Filter

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CF.INSERT

Adds one or more items to a Cuckoo Filter. A filter will be created if it does not exist

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CF.INSERTNX

Adds one or more items to a Cuckoo Filter if the items did not exist previously. A filter will be created if it does not exist

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CF.LOADCHUNK

Restores a filter previously saved using SCANDUMP

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CF.MEXISTS

Checks whether one or more items exist in a Cuckoo Filter

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CF.RESERVE

Creates a new Cuckoo Filter

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CF.SCANDUMP

Begins an incremental save of the bloom filter

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CLIENT CACHING

Instructs the server whether to track the keys in the next request.

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CLIENT GETNAME

Returns the name of the connection.

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CLIENT GETREDIR

Returns the client ID to which the connection's tracking notifications are redirected.

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CLIENT ID

Returns the unique client ID of the connection.

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CLIENT INFO

Returns information about the connection.

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CLIENT KILL

Terminates open connections.

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CLIENT LIST

Lists open connections.

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CLIENT NO-EVICT

Sets the client eviction mode of the connection.

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CLIENT NO-TOUCH

Controls whether commands sent by the client affect the LRU/LFU of accessed keys.

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CLIENT PAUSE

Suspends commands processing.

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CLIENT REPLY

Instructs the server whether to reply to commands.

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CLIENT SETINFO

Sets information specific to the client or connection.

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CLIENT SETNAME

Sets the connection name.

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CLIENT TRACKING

Controls server-assisted client-side caching for the connection.

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CLIENT TRACKINGINFO

Returns information about server-assisted client-side caching for the connection.

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CLIENT UNBLOCK

Unblocks a client blocked by a blocking command from a different connection.

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CLIENT UNPAUSE

Resumes processing commands from paused clients.

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CLUSTER ADDSLOTS

Assigns new hash slots to a node.

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CLUSTER ADDSLOTSRANGE

Assigns new hash slot ranges to a node.

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CLUSTER BUMPEPOCH

Advances the cluster config epoch.

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CLUSTER COUNT-FAILURE-REPORTS

Returns the number of active failure reports active for a node.

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CLUSTER COUNTKEYSINSLOT

Returns the number of keys in a hash slot.

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CLUSTER DELSLOTS

Sets hash slots as unbound for a node.

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CLUSTER DELSLOTSRANGE

Sets hash slot ranges as unbound for a node.

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CLUSTER FAILOVER

Forces a replica to perform a manual failover of its master.

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CLUSTER FLUSHSLOTS

Deletes all slots information from a node.

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CLUSTER FORGET

Removes a node from the nodes table.

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CLUSTER GETKEYSINSLOT

Returns the key names in a hash slot.

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CLUSTER INFO

Returns information about the state of a node.

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CLUSTER KEYSLOT

Returns the hash slot for a key.

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CLUSTER LINKS

Returns a list of all TCP links to and from peer nodes.

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CLUSTER MEET

Forces a node to handshake with another node.

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CLUSTER MYID

Returns the ID of a node.

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CLUSTER MYSHARDID

Returns the shard ID of a node.

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CLUSTER NODES

Returns the cluster configuration for a node.

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CLUSTER REPLICAS

Lists the replica nodes of a master node.

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CLUSTER REPLICATE

Configure a node as replica of a master node.

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CLUSTER RESET

Resets a node.

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CLUSTER SAVECONFIG

Forces a node to save the cluster configuration to disk.

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CLUSTER SET-CONFIG-EPOCH

Sets the configuration epoch for a new node.

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CLUSTER SETSLOT

Binds a hash slot to a node.

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CLUSTER SHARDS

Returns the mapping of cluster slots to shards.

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CLUSTER SLAVES

Lists the replica nodes of a master node.

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CLUSTER SLOTS

Returns the mapping of cluster slots to nodes.

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CMS.INCRBY

Increases the count of one or more items by increment

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CMS.INFO

Returns information about a sketch

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CMS.INITBYDIM

Initializes a Count-Min Sketch to dimensions specified by user

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CMS.INITBYPROB

Initializes a Count-Min Sketch to accommodate requested tolerances.

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CMS.MERGE

Merges several sketches into one sketch

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CMS.QUERY

Returns the count for one or more items in a sketch

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COMMAND

Returns detailed information about all commands.

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COMMAND COUNT

Returns a count of commands.

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COMMAND DOCS

Returns documentary information about one, multiple or all commands.

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COMMAND GETKEYS

Extracts the key names from an arbitrary command.

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COMMAND GETKEYSANDFLAGS

Extracts the key names and access flags for an arbitrary command.

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COMMAND INFO

Returns information about one, multiple or all commands.

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COMMAND LIST

Returns a list of command names.

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CONFIG GET

Returns the effective values of configuration parameters.

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CONFIG RESETSTAT

Resets the server's statistics.

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CONFIG REWRITE

Persists the effective configuration to file.

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CONFIG SET

Sets configuration parameters in-flight.

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COPY

Copies the value of a key to a new key.

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DBSIZE

Returns the number of keys in the database.

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DECR

Decrements the integer value of a key by one. Uses 0 as initial value if the key doesn't exist.

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DECRBY

Decrements a number from the integer value of a key. Uses 0 as initial value if the key doesn't exist.

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DEL

Deletes one or more keys.

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DISCARD

Discards a transaction.

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DUMP

Returns a serialized representation of the value stored at a key.

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ECHO

Returns the given string.

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EVAL

Executes a server-side Lua script.

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EVAL_RO

Executes a read-only server-side Lua script.

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EVALSHA

Executes a server-side Lua script by SHA1 digest.

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EVALSHA_RO

Executes a read-only server-side Lua script by SHA1 digest.

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EXEC

Executes all commands in a transaction.

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EXISTS

Determines whether one or more keys exist.

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EXPIRE

Sets the expiration time of a key in seconds.

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EXPIREAT

Sets the expiration time of a key to a Unix timestamp.

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EXPIRETIME

Returns the expiration time of a key as a Unix timestamp.

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FAILOVER

Starts a coordinated failover from a server to one of its replicas.

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FCALL_RO

Invokes a read-only function.

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FLUSHALL

Removes all keys from all databases.

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FLUSHDB

Remove all keys from the current database.

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FT._LIST

Returns a list of all existing indexes

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FT.AGGREGATE

Run a search query on an index and perform aggregate transformations on the results

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FT.ALIASADD

Adds an alias to the index

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FT.ALIASDEL

Deletes an alias from the index

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FT.ALIASUPDATE

Adds or updates an alias to the index

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FT.ALTER

Adds a new field to the index

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FT.CONFIG GET

Retrieves runtime configuration options

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FT.CONFIG SET

Sets runtime configuration options

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FT.CREATE

Creates an index with the given spec

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FT.CURSOR DEL

Deletes a cursor

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FT.CURSOR READ

Reads from a cursor

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FT.DICTADD

Adds terms to a dictionary

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FT.DICTDEL

Deletes terms from a dictionary

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FT.DICTDUMP

Dumps all terms in the given dictionary

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FT.DROPINDEX

Deletes the index

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FT.EXPLAIN

Returns the execution plan for a complex query

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FT.EXPLAINCLI

Returns the execution plan for a complex query

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FT.INFO

Returns information and statistics on the index

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FT.PROFILE

Performs a `FT.SEARCH` or `FT.AGGREGATE` command and collects performance information

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FT.SEARCH

Searches the index with a textual query, returning either documents or just ids

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FT.SPELLCHECK

Performs spelling correction on a query, returning suggestions for misspelled terms

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FT.SUGADD

Adds a suggestion string to an auto-complete suggestion dictionary

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FT.SUGDEL

Deletes a string from a suggestion index

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FT.SUGGET

Gets completion suggestions for a prefix

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FT.SUGLEN

Gets the size of an auto-complete suggestion dictionary

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FT.SYNDUMP

Dumps the contents of a synonym group

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FT.SYNUPDATE

Creates or updates a synonym group with additional terms

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FT.TAGVALS

Returns the distinct tags indexed in a Tag field

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FUNCTION DELETE

Deletes a library and its functions.

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FUNCTION DUMP

Dumps all libraries into a serialized binary payload.

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FUNCTION FLUSH

Deletes all libraries and functions.

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FUNCTION KILL

Terminates a function during execution.

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FUNCTION LIST

Returns information about all libraries.

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FUNCTION LOAD

Creates a library.

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FUNCTION RESTORE

Restores all libraries from a payload.

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FUNCTION STATS

Returns information about a function during execution.

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GEOADD

Adds one or more members to a geospatial index. The key is created if it doesn't exist.

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GEODIST

Returns the distance between two members of a geospatial index.

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GEOHASH

Returns members from a geospatial index as geohash strings.

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GEOPOS

Returns the longitude and latitude of members from a geospatial index.

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GEORADIUS

Queries a geospatial index for members within a distance from a coordinate, optionally stores the result.

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GEORADIUS_RO

Returns members from a geospatial index that are within a distance from a coordinate.

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GEORADIUSBYMEMBER

Queries a geospatial index for members within a distance from a member, optionally stores the result.

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GEORADIUSBYMEMBER_RO

Returns members from a geospatial index that are within a distance from a member.

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GEOSEARCH

Queries a geospatial index for members inside an area of a box or a circle.

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GEOSEARCHSTORE

Queries a geospatial index for members inside an area of a box or a circle, optionally stores the result.

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GET

Returns the string value of a key.

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GETBIT

Returns a bit value by offset.

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GETDEL

Returns the string value of a key after deleting the key.

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GETEX

Returns the string value of a key after setting its expiration time.

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GETRANGE

Returns a substring of the string stored at a key.

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GETSET

Returns the previous string value of a key after setting it to a new value.

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HDEL

Deletes one or more fields and their values from a hash. Deletes the hash if no fields remain.

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HELLO

Handshakes with the Redis server.

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HEXISTS

Determines whether a field exists in a hash.

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HEXPIRE

Set expiration for hash fields using relative time to expire in seconds

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HEXPIREAT

Set expiration for hash fields using an absolute Unix timestamp in seconds

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HEXPIRETIME

Returns the expiration time of each specified field as a Unix timestamp in seconds

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HGET

Returns the value of a field in a hash.

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HGETALL

Returns all fields and values in a hash.

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HINCRBY

Increments the integer value of a field in a hash by a number. Uses 0 as initial value if the field doesn't exist.

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HINCRBYFLOAT

Increments the floating point value of a field by a number. Uses 0 as initial value if the field doesn't exist.

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HKEYS

Returns all fields in a hash.

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HLEN

Returns the number of fields in a hash.

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HMGET

Returns the values of all fields in a hash.

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HMSET

Sets the values of multiple fields.

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HPERSIST

Removes the expiration time for each specified field

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HPEXPIRE

Set expiration for hash fields using relative time to expire in milliseconds

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HPEXPIREAT

Set expiration for hash fields using an absolute Unix timestamp in milliseconds

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HPEXPIRETIME

Returns the expiration time of each specified field as a Unix timestamp in milliseconds

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HPTTL

Returns the TTL of each specified field in milliseconds

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HRANDFIELD

Returns one or more random fields from a hash.

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HSCAN

Iterates over fields and values of a hash.

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HSET

Creates or modifies the value of a field in a hash.

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HSETNX

Sets the value of a field in a hash only when the field doesn't exist.

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HSTRLEN

Returns the length of the value of a field.

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HTTL

Returns the TTL of each specified field in seconds

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HVALS

Returns all values in a hash.

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INCR

Increments the integer value of a key by one. Uses 0 as initial value if the key doesn't exist.

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INCRBY

Increments the integer value of a key by a number. Uses 0 as initial value if the key doesn't exist.

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INCRBYFLOAT

Increment the floating point value of a key by a number. Uses 0 as initial value if the key doesn't exist.

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INFO

Returns information and statistics about the server.

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JSON.ARRAPPEND

Append one or more json values into the array at path after the last element in it.

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JSON.ARRINDEX

Returns the index of the first occurrence of a JSON scalar value in the array at path

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JSON.ARRINSERT

Inserts the JSON scalar(s) value at the specified index in the array at path

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JSON.ARRLEN

Returns the length of the array at path

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JSON.ARRPOP

Removes and returns the element at the specified index in the array at path

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JSON.ARRTRIM

Trims the array at path to contain only the specified inclusive range of indices from start to stop

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JSON.CLEAR

Clears all values from an array or an object and sets numeric values to `0`

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JSON.DEBUG

Debugging container command

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JSON.DEBUG MEMORY

Reports the size in bytes of a key

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JSON.GET

Gets the value at one or more paths in JSON serialized form

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JSON.MERGE

Merges a given JSON value into matching paths. Consequently, JSON values at matching paths are updated, deleted, or expanded with new children

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JSON.MGET

Returns the values at a path from one or more keys

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JSON.MSET

Sets or updates the JSON value of one or more keys

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JSON.NUMINCRBY

Increments the numeric value at path by a value

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JSON.NUMMULTBY

Multiplies the numeric value at path by a value

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JSON.OBJKEYS

Returns the JSON keys of the object at path

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JSON.OBJLEN

Returns the number of keys of the object at path

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JSON.RESP

Returns the JSON value at path in Redis Serialization Protocol (RESP)

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JSON.SET

Sets or updates the JSON value at a path

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JSON.STRAPPEND

Appends a string to a JSON string value at path

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JSON.STRLEN

Returns the length of the JSON String at path in key

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JSON.TOGGLE

Toggles a boolean value

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JSON.TYPE

Returns the type of the JSON value at path

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KEYS

Returns all key names that match a pattern.

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LASTSAVE

Returns the Unix timestamp of the last successful save to disk.

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LATENCY DOCTOR

Returns a human-readable latency analysis report.

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LATENCY GRAPH

Returns a latency graph for an event.

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LATENCY HISTOGRAM

Returns the cumulative distribution of latencies of a subset or all commands.

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LATENCY HISTORY

Returns timestamp-latency samples for an event.

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LATENCY LATEST

Returns the latest latency samples for all events.

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LATENCY RESET

Resets the latency data for one or more events.

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LCS

Finds the longest common substring.

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LINDEX

Returns an element from a list by its index.

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LINSERT

Inserts an element before or after another element in a list.

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LLEN

Returns the length of a list.

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LMOVE

Returns an element after popping it from one list and pushing it to another. Deletes the list if the last element was moved.

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LMPOP

Returns multiple elements from a list after removing them. Deletes the list if the last element was popped.

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LOLWUT

Displays computer art and the Redis version

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LPOP

Returns the first elements in a list after removing it. Deletes the list if the last element was popped.

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LPOS

Returns the index of matching elements in a list.

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LPUSH

Prepends one or more elements to a list. Creates the key if it doesn't exist.

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LPUSHX

Prepends one or more elements to a list only when the list exists.

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LRANGE

Returns a range of elements from a list.

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LREM

Removes elements from a list. Deletes the list if the last element was removed.

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LSET

Sets the value of an element in a list by its index.

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LTRIM

Removes elements from both ends a list. Deletes the list if all elements were trimmed.

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MEMORY DOCTOR

Outputs a memory problems report.

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MEMORY MALLOC-STATS

Returns the allocator statistics.

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MEMORY PURGE

Asks the allocator to release memory.

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MEMORY STATS

Returns details about memory usage.

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MEMORY USAGE

Estimates the memory usage of a key.

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MGET

Atomically returns the string values of one or more keys.

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MIGRATE

Atomically transfers a key from one Redis instance to another.

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MODULE LIST

Returns all loaded modules.

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MODULE LOADEX

Loads a module using extended parameters.

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MODULE UNLOAD

Unloads a module.

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MONITOR

Listens for all requests received by the server in real-time.

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MOVE

Moves a key to another database.

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MSET

Atomically creates or modifies the string values of one or more keys.

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MSETNX

Atomically modifies the string values of one or more keys only when all keys don't exist.

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OBJECT ENCODING

Returns the internal encoding of a Redis object.

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OBJECT FREQ

Returns the logarithmic access frequency counter of a Redis object.

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OBJECT IDLETIME

Returns the time since the last access to a Redis object.

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OBJECT REFCOUNT

Returns the reference count of a value of a key.

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PERSIST

Removes the expiration time of a key.

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PEXPIRE

Sets the expiration time of a key in milliseconds.

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PEXPIREAT

Sets the expiration time of a key to a Unix milliseconds timestamp.

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PEXPIRETIME

Returns the expiration time of a key as a Unix milliseconds timestamp.

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PFADD

Adds elements to a HyperLogLog key. Creates the key if it doesn't exist.

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PFCOUNT

Returns the approximated cardinality of the set(s) observed by the HyperLogLog key(s).

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PFDEBUG

Internal commands for debugging HyperLogLog values.

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PFMERGE

Merges one or more HyperLogLog values into a single key.

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PFSELFTEST

An internal command for testing HyperLogLog values.

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PING

Returns the server's liveliness response.

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PSETEX

Sets both string value and expiration time in milliseconds of a key. The key is created if it doesn't exist.

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PSUBSCRIBE

Listens for messages published to channels that match one or more patterns.

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PSYNC

An internal command used in replication.

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PTTL

Returns the expiration time in milliseconds of a key.

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PUBLISH

Posts a message to a channel.

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PUBSUB CHANNELS

Returns the active channels.

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PUBSUB NUMPAT

Returns a count of unique pattern subscriptions.

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PUBSUB NUMSUB

Returns a count of subscribers to channels.

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PUBSUB SHARDCHANNELS

Returns the active shard channels.

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PUBSUB SHARDNUMSUB

Returns the count of subscribers of shard channels.

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PUNSUBSCRIBE

Stops listening to messages published to channels that match one or more patterns.

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RANDOMKEY

Returns a random key name from the database.

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READONLY

Enables read-only queries for a connection to a Redis Cluster replica node.

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READWRITE

Enables read-write queries for a connection to a Redis Cluster replica node.

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RENAME

Renames a key and overwrites the destination.

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RENAMENX

Renames a key only when the target key name doesn't exist.

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REPLCONF

An internal command for configuring the replication stream.

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REPLICAOF

Configures a server as replica of another, or promotes it to a master.

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RESET

Resets the connection.

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RESTORE

Creates a key from the serialized representation of a value.

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RESTORE-ASKING

An internal command for migrating keys in a cluster.

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ROLE

Returns the replication role.

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RPOP

Returns and removes the last elements of a list. Deletes the list if the last element was popped.

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RPOPLPUSH

Returns the last element of a list after removing and pushing it to another list. Deletes the list if the last element was popped.

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RPUSH

Appends one or more elements to a list. Creates the key if it doesn't exist.

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RPUSHX

Appends an element to a list only when the list exists.

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SADD

Adds one or more members to a set. Creates the key if it doesn't exist.

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SAVE

Synchronously saves the database(s) to disk.

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SCAN

Iterates over the key names in the database.

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SCARD

Returns the number of members in a set.

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SCRIPT DEBUG

Sets the debug mode of server-side Lua scripts.

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SCRIPT EXISTS

Determines whether server-side Lua scripts exist in the script cache.

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SCRIPT FLUSH

Removes all server-side Lua scripts from the script cache.

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SCRIPT KILL

Terminates a server-side Lua script during execution.

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SCRIPT LOAD

Loads a server-side Lua script to the script cache.

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SDIFF

Returns the difference of multiple sets.

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SDIFFSTORE

Stores the difference of multiple sets in a key.

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SELECT

Changes the selected database.

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SET

Sets the string value of a key, ignoring its type. The key is created if it doesn't exist.

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SETBIT

Sets or clears the bit at offset of the string value. Creates the key if it doesn't exist.

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SETEX

Sets the string value and expiration time of a key. Creates the key if it doesn't exist.

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SETNX

Set the string value of a key only when the key doesn't exist.

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SETRANGE

Overwrites a part of a string value with another by an offset. Creates the key if it doesn't exist.

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SHUTDOWN

Synchronously saves the database(s) to disk and shuts down the Redis server.

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SINTER

Returns the intersect of multiple sets.

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SINTERCARD

Returns the number of members of the intersect of multiple sets.

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SINTERSTORE

Stores the intersect of multiple sets in a key.

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SISMEMBER

Determines whether a member belongs to a set.

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SLAVEOF

Sets a Redis server as a replica of another, or promotes it to being a master.

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SLOWLOG GET

Returns the slow log's entries.

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SLOWLOG LEN

Returns the number of entries in the slow log.

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SLOWLOG RESET

Clears all entries from the slow log.

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SMEMBERS

Returns all members of a set.

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SMISMEMBER

Determines whether multiple members belong to a set.

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SMOVE

Moves a member from one set to another.

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SORT

Sorts the elements in a list, a set, or a sorted set, optionally storing the result.

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SORT_RO

Returns the sorted elements of a list, a set, or a sorted set.

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SPOP

Returns one or more random members from a set after removing them. Deletes the set if the last member was popped.

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SPUBLISH

Post a message to a shard channel

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SRANDMEMBER

Get one or multiple random members from a set

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SREM

Removes one or more members from a set. Deletes the set if the last member was removed.

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SSCAN

Iterates over members of a set.

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SSUBSCRIBE

Listens for messages published to shard channels.

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STRLEN

Returns the length of a string value.

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SUBSCRIBE

Listens for messages published to channels.

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SUBSTR

Returns a substring from a string value.

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SUNION

Returns the union of multiple sets.

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SUNIONSTORE

Stores the union of multiple sets in a key.

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SUNSUBSCRIBE

Stops listening to messages posted to shard channels.

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SWAPDB

Swaps two Redis databases.

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SYNC

An internal command used in replication.

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TDIGEST.ADD

Adds one or more observations to a t-digest sketch

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TDIGEST.BYRANK

Returns, for each input rank, an estimation of the value (floating-point) with that rank

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TDIGEST.BYREVRANK

Returns, for each input reverse rank, an estimation of the value (floating-point) with that reverse rank

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TDIGEST.CDF

Returns, for each input value, an estimation of the fraction (floating-point) of (observations smaller than the given value + half the observations equal to the given value)

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TDIGEST.CREATE

Allocates memory and initializes a new t-digest sketch

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TDIGEST.INFO

Returns information and statistics about a t-digest sketch

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TDIGEST.MAX

Returns the maximum observation value from a t-digest sketch

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TDIGEST.MERGE

Merges multiple t-digest sketches into a single sketch

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TDIGEST.MIN

Returns the minimum observation value from a t-digest sketch

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TDIGEST.QUANTILE

Returns, for each input fraction, an estimation of the value (floating point) that is smaller than the given fraction of observations

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TDIGEST.RANK

Returns, for each input value (floating-point), the estimated rank of the value (the number of observations in the sketch that are smaller than the value + half the number of observations that are equal to the value)

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TDIGEST.RESET

Resets a t-digest sketch: empty the sketch and re-initializes it.

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TDIGEST.REVRANK

Returns, for each input value (floating-point), the estimated reverse rank of the value (the number of observations in the sketch that are larger than the value + half the number of observations that are equal to the value)

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TDIGEST.TRIMMED_MEAN

Returns an estimation of the mean value from the sketch, excluding observation values outside the low and high cutoff quantiles

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TIME

Returns the server time.

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TOPK.ADD

Increases the count of one or more items by increment

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TOPK.COUNT

Return the count for one or more items are in a sketch

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TOPK.INCRBY

Increases the count of one or more items by increment

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TOPK.INFO

Returns information about a sketch

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TOPK.LIST

Return full list of items in Top K list

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TOPK.QUERY

Checks whether one or more items are in a sketch

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TOPK.RESERVE

Initializes a TopK with specified parameters

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TOUCH

Returns the number of existing keys out of those specified after updating the time they were last accessed.

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TS.ADD

Append a sample to a time series

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TS.ALTER

Update the retention, chunk size, duplicate policy, and labels of an existing time series

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TS.CREATE

Create a new time series

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TS.CREATERULE

Create a compaction rule

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TS.DECRBY

Decrease the value of the sample with the maximum existing timestamp, or create a new sample with a value equal to the value of the sample with the maximum existing timestamp with a given decrement

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TS.DEL

Delete all samples between two timestamps for a given time series

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TS.DELETERULE

Delete a compaction rule

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TS.GET

Get the sample with the highest timestamp from a given time series

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TS.INCRBY

Increase the value of the sample with the maximum existing timestamp, or create a new sample with a value equal to the value of the sample with the maximum existing timestamp with a given increment

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TS.INFO

Returns information and statistics for a time series

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TS.MADD

Append new samples to one or more time series

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TS.MGET

Get the sample with the highest timestamp from each time series matching a specific filter

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TS.MRANGE

Query a range across multiple time series by filters in forward direction

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TS.MREVRANGE

Query a range across multiple time-series by filters in reverse direction

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TS.QUERYINDEX

Get all time series keys matching a filter list

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TS.RANGE

Query a range in forward direction

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TS.REVRANGE

Query a range in reverse direction

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TTL

Returns the expiration time in seconds of a key.

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TYPE

Determines the type of value stored at a key.

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UNLINK

Asynchronously deletes one or more keys.

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UNSUBSCRIBE

Stops listening to messages posted to channels.

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UNWATCH

Forgets about watched keys of a transaction.

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WAIT

Blocks until the asynchronous replication of all preceding write commands sent by the connection is completed.

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WAITAOF

Blocks until all of the preceding write commands sent by the connection are written to the append-only file of the master and/or replicas.

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WATCH

Monitors changes to keys to determine the execution of a transaction.

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XACK

Returns the number of messages that were successfully acknowledged by the consumer group member of a stream.

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XADD

Appends a new message to a stream. Creates the key if it doesn't exist.

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XAUTOCLAIM

Changes, or acquires, ownership of messages in a consumer group, as if the messages were delivered to as consumer group member.

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XCLAIM

Changes, or acquires, ownership of a message in a consumer group, as if the message was delivered a consumer group member.

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XDEL

Returns the number of messages after removing them from a stream.

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XGROUP CREATE

Creates a consumer group.

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XGROUP CREATECONSUMER

Creates a consumer in a consumer group.

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XGROUP DELCONSUMER

Deletes a consumer from a consumer group.

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XGROUP DESTROY

Destroys a consumer group.

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XGROUP SETID

Sets the last-delivered ID of a consumer group.

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XINFO CONSUMERS

Returns a list of the consumers in a consumer group.

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XINFO GROUPS

Returns a list of the consumer groups of a stream.

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XINFO STREAM

Returns information about a stream.

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XLEN

Return the number of messages in a stream.

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XPENDING

Returns the information and entries from a stream consumer group's pending entries list.

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XRANGE

Returns the messages from a stream within a range of IDs.

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XREAD

Returns messages from multiple streams with IDs greater than the ones requested. Blocks until a message is available otherwise.

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XREADGROUP

Returns new or historical messages from a stream for a consumer in a group. Blocks until a message is available otherwise.

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XREVRANGE

Returns the messages from a stream within a range of IDs in reverse order.

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XSETID

An internal command for replicating stream values.

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XTRIM

Deletes messages from the beginning of a stream.

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ZADD

Adds one or more members to a sorted set, or updates their scores. Creates the key if it doesn't exist.

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ZCARD

Returns the number of members in a sorted set.

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ZCOUNT

Returns the count of members in a sorted set that have scores within a range.

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ZDIFF

Returns the difference between multiple sorted sets.

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ZDIFFSTORE

Stores the difference of multiple sorted sets in a key.

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ZINCRBY

Increments the score of a member in a sorted set.

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ZINTER

Returns the intersect of multiple sorted sets.

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ZINTERCARD

Returns the number of members of the intersect of multiple sorted sets.

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ZINTERSTORE

Stores the intersect of multiple sorted sets in a key.

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ZLEXCOUNT

Returns the number of members in a sorted set within a lexicographical range.

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ZMPOP

Returns the highest- or lowest-scoring members from one or more sorted sets after removing them. Deletes the sorted set if the last member was popped.

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ZMSCORE

Returns the score of one or more members in a sorted set.

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ZPOPMAX

Returns the highest-scoring members from a sorted set after removing them. Deletes the sorted set if the last member was popped.

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ZPOPMIN

Returns the lowest-scoring members from a sorted set after removing them. Deletes the sorted set if the last member was popped.

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ZRANDMEMBER

Returns one or more random members from a sorted set.

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ZRANGE

Returns members in a sorted set within a range of indexes.

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ZRANGEBYLEX

Returns members in a sorted set within a lexicographical range.

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ZRANGEBYSCORE

Returns members in a sorted set within a range of scores.

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ZRANGESTORE

Stores a range of members from sorted set in a key.

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ZRANK

Returns the index of a member in a sorted set ordered by ascending scores.

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ZREM

Removes one or more members from a sorted set. Deletes the sorted set if all members were removed.

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ZREMRANGEBYLEX

Removes members in a sorted set within a lexicographical range. Deletes the sorted set if all members were removed.

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ZREMRANGEBYRANK

Removes members in a sorted set within a range of indexes. Deletes the sorted set if all members were removed.

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ZREMRANGEBYSCORE

Removes members in a sorted set within a range of scores. Deletes the sorted set if all members were removed.

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ZREVRANGE

Returns members in a sorted set within a range of indexes in reverse order.

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ZREVRANGEBYLEX

Returns members in a sorted set within a lexicographical range in reverse order.

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ZREVRANGEBYSCORE

Returns members in a sorted set within a range of scores in reverse order.

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ZREVRANK

Returns the index of a member in a sorted set ordered by descending scores.

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ZSCAN

Iterates over members and scores of a sorted set.

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ZSCORE

Returns the score of a member in a sorted set.

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ZUNION

Returns the union of multiple sorted sets.

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ZUNIONSTORE

Stores the union of multiple sorted sets in a key.

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