DevOps Classroomnotes 04/May/2023

Metrics, Logs and Traces

• Refer Here for detailed info on logs vs metrics vs traces
• Metrics: Metrics are numeric time-series data.
• Logs :
  • Logs are text informations with no standard way/format.
  • Logs from different applications/servers
    • Apache 192.168.2.20 - - [28/Jul/2006:10:27:10 -0300] "GET /cgi-bin/try/ HTTP/1.0" 200 3395
    • Refer Here for some other applications
  • For logs we deal with text (unstructured data)
  • using logs requires a solution to
    • convert unstructured text in semi structured
    • understand logs with various format
    • Log analysis solution
• Traces:
  • APM (Application Performance Monitoring) Agents can help
• We are trying to make our applications observable
• Monitoring tells you when something is wrong, while observability enables you to understand why.
• Tools