Commands

ACL CAT

List the ACL categories or the commands inside a category

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ACL DELUSER

Remove the specified ACL users and the associated rules

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ACL DRYRUN

Returns whether the user can execute the given command without executing the command.

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ACL GENPASS

Generate a pseudorandom secure password to use for ACL users

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ACL GETUSER

Get the rules for a specific ACL user

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ACL LIST

List the current ACL rules in ACL config file format

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ACL LOAD

Reload the ACLs from the configured ACL file

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ACL LOG

List latest events denied because of ACLs in place

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ACL SAVE

Save the current ACL rules in the configured ACL file

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ACL SETUSER

Modify or create the rules for a specific ACL user

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ACL USERS

List the username of all the configured ACL rules

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ACL WHOAMI

Return the name of the user associated to the current connection

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ASKING

Sent by cluster clients after an -ASK redirect

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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.SCANDUMP

Begins an incremental save of the bloom filter

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BGREWRITEAOF

Asynchronously rewrite the append-only file

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BGSAVE

Asynchronously save the dataset to disk

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BITFIELD

Perform arbitrary bitfield integer operations on strings

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BITFIELD_RO

Perform arbitrary bitfield integer operations on strings. Read-only variant of BITFIELD

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BITOP

Perform bitwise operations between strings

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BITPOS

Find first bit set or clear in a string

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BLMOVE

Pop an element from a list, push it to another list and return it; or block until one is available

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BLMPOP

Pop elements from a list, or block until one is available

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BLPOP

Remove and get the first element in a list, or block until one is available

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BRPOP

Remove and get the last element in a list, or block until one is available

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BRPOPLPUSH

Pop an element from a list, push it to another list and return it; or block until one is available

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BZMPOP

Remove and return members with scores in a sorted set or block until one is available

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BZPOPMAX

Remove and return the member with the highest score from one or more sorted sets, or block until one is available

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BZPOPMIN

Remove and return the member with the lowest score from one or more sorted sets, or block until one is available

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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.SCANDUMP

Begins an incremental save of the bloom filter

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CLIENT CACHING

Instruct the server about tracking or not keys in the next request

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CLIENT GETNAME

Get the current connection name

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CLIENT GETREDIR

Get tracking notifications redirection client ID if any

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CLIENT ID

Returns the client ID for the current connection

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CLIENT INFO

Returns information about the current client connection.

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CLIENT KILL

Kill the connection of a client

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CLIENT LIST

Get the list of client connections

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CLIENT NO-EVICT

Set client eviction mode for the current connection

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CLIENT PAUSE

Stop processing commands from clients for some time

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CLIENT REPLY

Instruct the server whether to reply to commands

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CLIENT SETNAME

Set the current connection name

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CLIENT TRACKING

Enable or disable server assisted client side caching support

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CLIENT TRACKINGINFO

Return information about server assisted client side caching for the current connection

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CLIENT UNBLOCK

Unblock a client blocked in a blocking command from a different connection

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CLIENT UNPAUSE

Resume processing of clients that were paused

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CLUSTER ADDSLOTS

Assign new hash slots to receiving node

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CLUSTER ADDSLOTSRANGE

Assign new hash slots to receiving node

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CLUSTER BUMPEPOCH

Advance the cluster config epoch

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CLUSTER COUNT-FAILURE-REPORTS

Return the number of failure reports active for a given node

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CLUSTER COUNTKEYSINSLOT

Return the number of local keys in the specified hash slot

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CLUSTER DELSLOTS

Set hash slots as unbound in receiving node

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CLUSTER DELSLOTSRANGE

Set hash slots as unbound in receiving node

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CLUSTER FAILOVER

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

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CLUSTER FLUSHSLOTS

Delete a node's own slots information

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CLUSTER FORGET

Remove a node from the nodes table

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CLUSTER GETKEYSINSLOT

Return local key names in the specified hash slot

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CLUSTER INFO

Provides info about Redis Cluster node state

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CLUSTER KEYSLOT

Returns the hash slot of the specified key

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CLUSTER LINKS

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

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CLUSTER MEET

Force a node cluster to handshake with another node

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CLUSTER NODES

Get Cluster config for the node

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CLUSTER REPLICAS

List replica nodes of the specified master node

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CLUSTER REPLICATE

Reconfigure a node as a replica of the specified master node

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CLUSTER SAVECONFIG

Forces the node to save cluster state on disk

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CLUSTER SET-CONFIG-EPOCH

Set the configuration epoch in a new node

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CLUSTER SETSLOT

Bind a hash slot to a specific node

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CLUSTER SHARDS

Get array of cluster slots to node mappings

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CLUSTER SLAVES

List replica nodes of the specified master node

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CLUSTER SLOTS

Get array of Cluster slot to node mappings

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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 COUNT

Get total number of Redis commands

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COMMAND DOCS

Get array of specific Redis command documentation

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COMMAND GETKEYS

Extract keys given a full Redis command

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COMMAND GETKEYSANDFLAGS

Extract keys and access flags given a full Redis command

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COMMAND INFO

Get array of specific Redis command details, or all when no argument is given.

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COMMAND LIST

Get an array of Redis command names

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CONFIG GET

Get the values of configuration parameters

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CONFIG RESETSTAT

Reset the stats returned by INFO

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CONFIG REWRITE

Rewrite the configuration file with the in memory configuration

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CONFIG SET

Set configuration parameters to the given values

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DBSIZE

Return the number of keys in the selected database

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DECR

Decrement the integer value of a key by one

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DECRBY

Decrement the integer value of a key by the given number

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DISCARD

Discard all commands issued after MULTI

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DUMP

Return a serialized version of the value stored at the specified key.

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EVAL_RO

Execute a read-only Lua script server side

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EVALSHA_RO

Execute a read-only Lua script server side

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EXEC

Execute all commands issued after MULTI

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EXPIREAT

Set the expiration for a key as a UNIX timestamp

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EXPIRETIME

Get the expiration Unix timestamp for a key

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FAILOVER

Start a coordinated failover between this server and one of its replicas.

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FLUSHALL

Remove 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.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.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.DICTDUMP

Dumps all terms in the given dictionary

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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 DUMP

Dump all functions into a serialized binary payload

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FUNCTION KILL

Kill the function currently in execution.

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FUNCTION LIST

List information about all the functions

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FUNCTION LOAD

Create a function with the given arguments (name, code, description)

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FUNCTION RESTORE

Restore all the functions on the given payload

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FUNCTION STATS

Return information about the function currently running (name, description, duration)

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GEOADD

Add one or more geospatial items in the geospatial index represented using a sorted set

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GEODIST

Returns the distance between two members of a geospatial index

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GEOHASH

Returns members of a geospatial index as standard geohash strings

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GEOPOS

Returns longitude and latitude of members of a geospatial index

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GEORADIUS

Query a sorted set representing a geospatial index to fetch members matching a given maximum distance from a point

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GEORADIUS_RO

A read-only variant for GEORADIUS

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GEORADIUSBYMEMBER

Query a sorted set representing a geospatial index to fetch members matching a given maximum distance from a member

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GEORADIUSBYMEMBER_RO

A read-only variant for GEORADIUSBYMEMBER

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GEOSEARCH

Query a sorted set representing a geospatial index to fetch members inside an area of a box or a circle.

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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.

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GETBIT

Returns the bit value at offset in the string value stored at key

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GETDEL

Get the value of a key and delete the key

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GETEX

Get the value of a key and optionally set its expiration

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GETRANGE

Get a substring of the string stored at a key

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GETSET

Set the string value of a key and return its old value

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GRAPH.CONFIG GET

Retrieves a RedisGraph configuration

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GRAPH.CONFIG SET

Updates a RedisGraph configuration

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GRAPH.DELETE

Completely removes the graph and all of its entities

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GRAPH.EXPLAIN

Returns a query execution plan without running the query

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GRAPH.LIST

Lists all graph keys in the keyspace

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GRAPH.PROFILE

Executes a query and returns an execution plan augmented with metrics for each operation's execution

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GRAPH.QUERY

Executes the given query against a specified graph

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GRAPH.RO_QUERY

Executes a given read only query against a specified graph

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GRAPH.SLOWLOG

Returns a list containing up to 10 of the slowest queries issued against the given graph

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HGETALL

Get all the fields and values in a hash

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HINCRBY

Increment the integer value of a hash field by the given number

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HINCRBYFLOAT

Increment the float value of a hash field by the given amount

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HMGET

Get the values of all the given hash fields

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HMSET

Set multiple hash fields to multiple values

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HRANDFIELD

Get one or multiple random fields from a hash

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HSCAN

Incrementally iterate hash fields and associated values

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HSETNX

Set the value of a hash field, only if the field does not exist

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HSTRLEN

Get the length of the value of a hash field

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INCR

Increment the integer value of a key by one

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INCRBY

Increment the integer value of a key by the given amount

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INCRBYFLOAT

Increment the float value of a key by the given amount

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INFO

Get 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 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.MGET

Returns the values at a path from 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.TYPE

Returns the type of the JSON value at path

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KEYS

Find all keys matching the given pattern

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LASTSAVE

Get the UNIX time stamp of the last successful save to disk

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LATENCY DOCTOR

Return a human readable latency analysis report.

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LATENCY GRAPH

Return a latency graph for the event.

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LATENCY HISTOGRAM

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

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LATENCY HISTORY

Return timestamp-latency samples for the event.

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LATENCY LATEST

Return the latest latency samples for all events.

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LATENCY RESET

Reset latency data for one or more events.

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LINDEX

Get an element from a list by its index

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LINSERT

Insert an element before or after another element in a list

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LMOVE

Pop an element from a list, push it to another list and return it

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LOLWUT

Display some computer art and the Redis version

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LPOP

Remove and get the first elements in a list

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LPOS

Return the index of matching elements on a list

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LPUSH

Prepend one or multiple elements to a list

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LPUSHX

Prepend an element to a list, only if the list exists

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LSET

Set the value of an element in a list by its index

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MEMORY DOCTOR

Outputs memory problems report

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MEMORY MALLOC-STATS

Show allocator internal stats

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MEMORY PURGE

Ask the allocator to release memory

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MEMORY USAGE

Estimate the memory usage of a key

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MIGRATE

Atomically transfer a key from a Redis instance to another one.

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MODULE LIST

List all modules loaded by the server

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MODULE LOADEX

Load a module with extended parameters

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MONITOR

Listen for all requests received by the server in real time

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MSETNX

Set multiple keys to multiple values, only if none of the keys exist

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MULTI

Mark the start of a transaction block

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OBJECT ENCODING

Inspect the internal encoding of a Redis object

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OBJECT FREQ

Get the logarithmic access frequency counter of a Redis object

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OBJECT IDLETIME

Get the time since a Redis object was last accessed

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OBJECT REFCOUNT

Get the number of references to the value of the key

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PEXPIRE

Set a key's time to live in milliseconds

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PEXPIREAT

Set the expiration for a key as a UNIX timestamp specified in milliseconds

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PEXPIRETIME

Get the expiration Unix timestamp for a key in milliseconds

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PFADD

Adds the specified elements to the specified HyperLogLog.

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PFCOUNT

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

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PFDEBUG

Internal commands for debugging HyperLogLog values

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PFMERGE

Merge N different HyperLogLogs into a single one.

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PFSELFTEST

An internal command for testing HyperLogLog values

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PSETEX

Set the value and expiration in milliseconds of a key

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PSUBSCRIBE

Listen for messages published to channels matching the given patterns

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PSYNC

Internal command used for replication

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PTTL

Get the time to live for a key in milliseconds

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PUBSUB NUMPAT

Get the count of unique patterns pattern subscriptions

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PUBSUB NUMSUB

Get the count of subscribers for channels

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PUBSUB SHARDCHANNELS

List active shard channels

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PUBSUB SHARDNUMSUB

Get the count of subscribers for shard channels

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PUNSUBSCRIBE

Stop listening for messages posted to channels matching the given patterns

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RANDOMKEY

Return a random key from the keyspace

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READONLY

Enables read queries for a connection to a cluster replica node

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READWRITE

Disables read queries for a connection to a cluster replica node

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RENAMENX

Rename a key, only if the new key does not exist

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REPLCONF

An internal command for configuring the replication stream

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REPLICAOF

Make the server a replica of another instance, or promote it as master.

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RESTORE

Create a key using the provided serialized value, previously obtained using DUMP.

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RESTORE-ASKING

An internal command for migrating keys in a cluster

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ROLE

Return the role of the instance in the context of replication

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RPOP

Remove and get the last elements in a list

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RPOPLPUSH

Remove the last element in a list, prepend it to another list and return it

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RPUSH

Append one or multiple elements to a list

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RPUSHX

Append an element to a list, only if the list exists

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SAVE

Synchronously save the dataset to disk

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SCRIPT DEBUG

Set the debug mode for executed scripts.

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SCRIPT EXISTS

Check existence of scripts in the script cache.

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SCRIPT FLUSH

Remove all the scripts from the script cache.

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SCRIPT KILL

Kill the script currently in execution.

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SCRIPT LOAD

Load the specified Lua script into the script cache.

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SDIFFSTORE

Subtract multiple sets and store the resulting set in a key

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SELECT

Change the selected database for the current connection

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SETBIT

Sets or clears the bit at offset in the string value stored at key

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SETEX

Set the value and expiration of a key

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SETNX

Set the value of a key, only if the key does not exist

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SETRANGE

Overwrite part of a string at key starting at the specified offset

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SHUTDOWN

Synchronously save the dataset to disk and then shut down the server

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SINTERCARD

Intersect multiple sets and return the cardinality of the result

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SINTERSTORE

Intersect multiple sets and store the resulting set in a key

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SISMEMBER

Determine if a given value is a member of a set

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SLAVEOF

Make the server a replica of another instance, or promote it as master.

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SLOWLOG RESET

Clear all entries from the slow log

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SMISMEMBER

Returns the membership associated with the given elements for a set

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SMOVE

Move a member from one set to another

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SORT

Sort the elements in a list, set or sorted set

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SORT_RO

Sort the elements in a list, set or sorted set. Read-only variant of SORT.

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SPOP

Remove and return one or multiple random members from a set

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SRANDMEMBER

Get one or multiple random members from a set

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SSUBSCRIBE

Listen for messages published to the given shard channels

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STRLEN

Get the length of the value stored in a key

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SUBSCRIBE

Listen for messages published to the given channels

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SUBSTR

Get a substring of the string stored at a key

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SUNIONSTORE

Add multiple sets and store the resulting set in a key

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SUNSUBSCRIBE

Stop listening for messages posted to the given shard channels

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TDIGEST.ADD

Adds one or more samples to a sketch

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TDIGEST.CDF

Returns the fraction of all points added which are <= value. Multiple fractions can be returned with one call.

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TDIGEST.CREATE

Allocate the memory and initialize the t-digest

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TDIGEST.INFO

Returns information about a sketch

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TDIGEST.MAX

Get maximum value from the sketch

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TDIGEST.MERGE

Merges all of the values from 'source-key' keys to 'destination-key' sketch

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TDIGEST.MERGESTORE

Merges all of the values from 'source-key' keys to 'destination-key' sketch

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TDIGEST.MIN

Get minimum value from the sketch

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TDIGEST.QUANTILE

Returns an estimate of the cutoff such that a specified fraction of the data added to this TDigest would be less than or equal to the specified cutoffs. Multiple quantiles can be returned with one call.

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TDIGEST.RESET

Reset the sketch to zero - empty out the sketch and re-initialize it

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TDIGEST.TRIMMED_MEAN

Returns the trimmed mean ignoring values outside given cutoff upper and lower limits

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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

Alters the last access time of a key(s). Returns the number of existing keys specified.

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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.DECRBY

Decrease the value of the sample with the maximal existing timestamp, or create a new sample with a value equal to the value of the sample with the maximal 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.INCRBY

Increase the value of the sample with the maximal existing timestamp, or create a new sample with a value equal to the value of the sample with the maximal 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 last samples 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

Get the time to live for a key in seconds

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UNLINK

Delete a key asynchronously in another thread. Otherwise it is just as DEL, but non blocking.

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UNSUBSCRIBE

Stop listening for messages posted to the given channels

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WAIT

Wait for the synchronous replication of all the write commands sent in the context of the current connection

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WATCH

Watch the given keys to determine execution of the MULTI/EXEC block

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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.

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XAUTOCLAIM

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

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XCLAIM

Changes (or acquires) ownership of a message in a consumer group, as if the message was delivered to the specified consumer.

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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.

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XGROUP CREATECONSUMER

Create a consumer in a consumer group.

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XGROUP DELCONSUMER

Delete a consumer from a consumer group.

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XGROUP SETID

Set a consumer group to an arbitrary last delivered ID value.

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XINFO CONSUMERS

List the consumers in a consumer group

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XINFO GROUPS

List the consumer groups of a stream

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XINFO STREAM

Get information about a stream

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XLEN

Return the number of entries in a stream

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XPENDING

Return information and entries from a stream consumer group pending entries list, that are messages fetched but never acknowledged.

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XRANGE

Return a range of elements in a stream, with IDs matching the specified IDs interval

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XREAD

Return never seen elements in multiple streams, with IDs greater than the ones reported by the caller for each stream. Can block.

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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.

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XREVRANGE

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

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XSETID

An internal command for replicating stream values

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XTRIM

Trims the stream to (approximately if '~' is passed) a certain size

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ZADD

Add one or more members to a sorted set, or update its score if it already exists

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ZCARD

Get the number of members in a sorted set

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ZCOUNT

Count the members in a sorted set with scores within the given values

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ZDIFFSTORE

Subtract multiple sorted sets and store the resulting sorted set in a new key

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ZINCRBY

Increment the score of a member in a sorted set

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ZINTERCARD

Intersect multiple sorted sets and return the cardinality of the result

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ZINTERSTORE

Intersect multiple sorted sets and store the resulting sorted set in a new key

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ZLEXCOUNT

Count the number of members in a sorted set between a given lexicographical range

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ZMPOP

Remove and return members with scores in a sorted set

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ZMSCORE

Get the score associated with the given members in a sorted set

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ZPOPMAX

Remove and return members with the highest scores in a sorted set

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ZPOPMIN

Remove and return members with the lowest scores in a sorted set

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ZRANDMEMBER

Get one or multiple random elements from a sorted set

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ZRANGE

Return a range of members in a sorted set

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ZRANGEBYLEX

Return a range of members in a sorted set, by lexicographical range

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ZRANGEBYSCORE

Return a range of members in a sorted set, by score

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ZRANGESTORE

Store a range of members from sorted set into another key

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ZRANK

Determine the index of a member in a sorted set

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ZREM

Remove one or more members from a sorted set

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ZREMRANGEBYLEX

Remove all members in a sorted set between the given lexicographical range

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ZREMRANGEBYRANK

Remove all members in a sorted set within the given indexes

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ZREMRANGEBYSCORE

Remove all members in a sorted set within the given scores

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ZREVRANGE

Return a range of members in a sorted set, by index, with scores ordered from high to low

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ZREVRANGEBYLEX

Return a range of members in a sorted set, by lexicographical range, ordered from higher to lower strings.

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ZREVRANGEBYSCORE

Return a range of members in a sorted set, by score, with scores ordered from high to low

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ZREVRANK

Determine the index of a member in a sorted set, with scores ordered from high to low

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ZSCAN

Incrementally iterate sorted sets elements and associated scores

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ZSCORE

Get the score associated with the given member in a sorted set

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ZUNIONSTORE

Add multiple sorted sets and store the resulting sorted set in a new key

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