Redis Long-running Commands

Commands such as FLUSHALL, KEYS, or large SORT operations taking a long time to complete, blocking other operations.
  1. Use the SLOWLOG GET command to retrieve a list of the slowest running commands. For example, run SLOWLOG GET 10 to get the top 10 slowest commands.
  2. Execute INFO commandstats to get statistics on the execution of Redis commands and identify frequently used or time-consuming commands.
  3. Check current running commands with MONITOR (use with caution as it can reduce performance) to see real-time command execution.
  4. If a specific command is identified as long-running and it's safe to terminate, use CLIENT KILL with the appropriate client ID or address to stop the process.
  5. Evaluate the MEMORY USAGE <key> for keys involved in long-running commands to check if large memory usage is a factor.
  6. Use CONFIG GET *timeout* to review current timeout configurations that might affect long-running commands.
  7. Implement LATENCY DOCTOR for an analysis of the latency and potential issues within the Redis server that might cause commands to run longer than expected.

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Most-used commands
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