What has to be monitored?

• There are organizations and individuals who have published the best practices on implementing a monitoring solution
  • Google Four Golden signals Refer Here
  • USE method Refer Here
  • RED method Refer Here
    

Terms in Monitoring

• Latency
• Traffic
• Errors
• Saturation

Some basic Stuff

• Impact of CPU, Memory and DISK on your applicaions
  
• Webserver: When requests are sent, threads are created which will have its own cpu and memory share. So as number of requests increase the load on cpu and memory increases.
  
• Generally, to figure out the saturation points, organizations stress/load the systems with the help of performance test engineers