API Gateway Monitoring, Logging And Tracing

• CloudWatch Logs
  • Can enable CloudWatch Logs at the Stage level
  • Can override settings per API methods, level
    • ERROR, DEBUG, INFO
  • Has information about request/response body
• X-Ray:
  • Enable tracing to get extra information about API Gateway
  • X-Ray both API Gateway + AWS Lambda gives you the full picture
• CloudWatch Metrics
  • Metrics are by stage, can enable detailed metrics
  • CacheHitCount & CacheMissCount: efficiency of the cache
  • Count: total number api requests in a given period
  • IntegrationLatency : how long the backend is taking to reply to API Gateway
  • Latency: how long the client receive the message in total (including IntegrationLatency)
    • Maximum amount of time API Gateway is 29 seconds. If your latency is above this, you will receive a Timeout error