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# Checkpoint — Monitoring
# Checkpoint
# Monitoring
You should now implement monitoring and autorestarts for your application using monit.
Monitoring is a crucial aspect of maintaining a healthy and well-performing full stack application. As a full stack developer, you need to understand and implement various monitoring tools and techniques to ensure the smooth functioning of your application throughout its life cycle.
Here are some of the monitors you should implement for the application.
In this section, we'll cover the following topics:
## Importance of Monitoring
Monitoring helps you to:
- Detect and fix issues before they affect users and result in system downtime.
- Optimize performance and resource usage.
- Predict and scale for future growth by identifying trends and predicting traffic spikes.
- Ensure security by identifying weak spots and tracking malicious activities.
## Monitoring Tools
There are various monitoring tools available, and it's essential to choose the right one based on your specific needs. Some popular monitoring tools include:
- **Infrastructure Monitoring** (e.g., [Nagios](https://www.nagios.org/), [Zabbix](https://www.zabbix.com/), [Prometheus](https://prometheus.io/))
- **Application Performance Monitoring (APM)** (e.g., [New Relic](https://newrelic.com/), [Dynatrace](https://www.dynatrace.com/), [AppDynamics](https://www.appdynamics.com/))
- **Log Management** (e.g., [Elastic Stack](https://www.elastic.co/), [Graylog](https://www.graylog.org/), [Loggly](https://www.loggly.com/))
- **Error Tracking** (e.g., [Sentry](https://sentry.io/), [Rollbar](https://rollbar.com/), [Airbrake](https://airbrake.io/))
## Key Metrics to Monitor
When monitoring your full stack application, make sure to track the following key metrics:
- **Availability:** Percentage of time the system is operational and accessible.
- **Response Time:** Time taken by the system to respond to a user request.
- **Throughput:** Number of requests processed by the system per unit of time.
- **Error Rate:** The frequency of errors occurring in the system.
- **Resource Utilization:** Percentage of system resources (CPU, memory, disk, etc.) being used.
## Monitoring Best Practices
Follow these best practices to ensure effective monitoring and smooth functioning of your application:
1. **Establish Goals:** Define measurable objectives based on your business requirements and use them to set performance thresholds.
2. **Monitor Across Different Levels:** Monitor at the infrastructure, application, and individual user levels to get a complete view of your system's performance.
3. **Set Up Alerts:** Configure alerts for when critical thresholds are breached, ensuring you can react promptly and minimize downtime.
4. **Analyze and Optimize:** Regularly review monitoring data to identify trends and areas of improvement, and then make necessary changes to enhance your application's performance.
Implementing robust monitoring solutions in your full stack application helps ensure it remains reliable, available, and secure while providing valuable insights to optimize performance and scalability for future growth.
- CPU Usage
- Memory Usage
- Disk Usage
- Network Usage
- Service Availability
- Process Availability