Latency Assault

The latency-assault module in light-chaos-monkey allows you to inject artificial delays (latency) into your application’s request processing. This is useful for testing how your application and its downstream consumers handle slow responses and potential timeouts.

Core Components

LatencyAssaultHandler

The middleware handler responsible for injecting latency.

• Behavior: When enabled and triggered (based on the level configuration), it calculates a random sleep duration within the configured range and puts the current thread to sleep using Thread.sleep().
• Trigger: The assault is triggered based on a probability defined by the level.

LatencyAssaultConfig

Configuration class that loads settings from latency-assault.yml.

Configuration

The module is configured via latency-assault.yml.

Key Settings:

• enabled: Enable or disable the handler (default: false).
• bypass: If true, the assault is skipped even if enabled (default: true).
• level: The probability of an attack, defined as “1 out of N requests”.
  • level: 10 means approximately 1 in 10 requests (10%) will be attacked.
  • level: 1 means every request is attacked.
• latencyRangeStart: The minimum delay in milliseconds (default: 1000).
• latencyRangeEnd: The maximum delay in milliseconds (default: 3000).

Example Configuration:

enabled: true
bypass: false
level: 5
latencyRangeStart: 500
latencyRangeEnd: 2000