Introduction

With this action, Steadybit can set a TTL on string keys matching a pattern in a Redis database to force them to expire, simulating sudden cache invalidation.

Use Cases

• Simulate sudden cache invalidation to test cache rebuild performance.
• Verify session expiration handling in your application.

Parameters

Parameter	Description	Default
Duration	How long the attack should last.	60s
Pattern	Key pattern (e.g., 'session:', 'cache:'). Only string keys affected.	steadybit-test:*
TTL	Time-to-live in seconds before keys expire.	5
Max Keys	Maximum keys to affect (0 = unlimited).	100
Restore On Stop	Restore expired keys with original values and TTLs.	false