DevOps Classroomnotes 13/Sep/2023

Four Golden Signals of Monitoring

• Refer Here for an article about 4 golden signals
• Latency
• Traffic
• Error Rate
• Resource Saturation

Logs, Metrics and Traces

• Metric:
  • This is generally a numeric value which has name and value with time series.
  • These can be aggregated and visualized.
  • For metrics be effective
    • High Volume/High Frequecy
• Log:
  • This is a textual information about some event that has happened in your system
  • Problems in monitoring:
    • They are unstructured
    • There are no standards
• Trace:
  • This is about recording the program execution flow
  • Problems in monitoring:
    • They are very resource intensive
      

What is our responsibility ?

• Setting up a monitoring system to collect metrics, logs and traces
• Create dashboards which help us viewing Golden Signals
• When Things go wrong Alert the team

Fake SMTP Email Server

• Create an Account in mailtrap.io Refer Here
  
  
  

Elastic Cloud Account

• There is a free account for 14 days and we can use google or microsoft accounts. Refer Here
• This will act as a centralized monitoring system