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Most-used commands

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Connection and Server Management

valkey-cli -h -p -a Connect to a Valkey server valkey-cli Start the Valkey command-line interface valkey-server Start the Valkey server valkey-sentinel Start the Valkey Sentinel monitoring tool info Display server information and statistics ping Test connection to the server quit Close the connection select Switch to a different database

Key-Value Operations

set Set the value of a key get Get the value of a key del [ ...] Delete one or more keys exists [ ...] Check if key(s) exist keys Find all keys matching the pattern expire Set a key's time to live in seconds ttl Get the time to live for a key

Data Structure Operations

incr Increment the integer value of a key decr Decrement the integer value of a key lpush [ ...] Insert values at the head of a list rpush [ ...] Insert values at the tail of a list lrange Get a range of elements from a list hset Set the value of a hash field hget Get the value of a hash field sadd [ ...] Add members to a set smembers Get all the members in a set

Transactions

multi Mark the start of a transaction block exec Execute all commands issued after MULTI discard Discard all commands issued after MULTI

Pub/Sub

subscribe [ ...] Subscribe to channels publish Post a message to a channel unsubscribe [ [ ...]] Unsubscribe from channels

Monitoring and Debugging

monitor Stream all requests received by the server client list Get information about client connections slowlog get [] Get the slow logs memory usage Estimate the memory usage of a key