Runbook

Redis AOF File Corruption Incident

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Overview

Redis AOF (Append-Only File) File Corruption Incident is an issue that occurs when the data in the Redis AOF file becomes corrupt and unreadable. This can happen due to multiple reasons such as power outages, hardware failures, or software bugs. When the Redis AOF file becomes corrupt, it can lead to a loss of critical data or application downtime. It is important to have a process in place to monitor and handle such incidents to minimize the impact on business operations.

Parameters

Debug

Check if Redis server is running

Verify the AOF file is being written

Verify the current AOF file size

Check for errors in the AOF file

If errors found, try to fix the AOF file

If fixing the AOF file fails, restore from latest backup

If no backup available, use Redis RDB file to recover data

Restart Redis server

Repair

Restore from backup: If a recent backup is available, restore the Redis AOF file from the backup and verify the data integrity.

Repair the AOF file: Use Redis tools such as redis-check-aof to repair the AOF file and recover as much data as possible.

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