[Design] Design approach to track Metrics

[TanmoySG]

Design approach to track various metrics for

• each route/actions
• performance metrics for overall
• system metrics
• RAM/Memory usage and CPU Usage

[TanmoySG]

Time Tracking for functions

func timeTrack(start time.Time, name string) {
    elapsed := time.Since(start)
    log.Printf("%s took %s", name, elapsed)
}

// usage in function 

func SomeFunction(empIDs []string) string {
    defer timeTrack(time.Now(), "someFunction")
}

Output