https://github.com/jabrena/sre-fundamentals

https://github.com/jabrena/sre-fundamentals

Last synced: 24 days ago
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• Host: GitHub
• URL: https://github.com/jabrena/sre-fundamentals
• Owner: jabrena
• License: apache-2.0
• Created: 2019-12-10T07:39:00.000Z (over 5 years ago)
• Default Branch: master
• Last Pushed: 2019-12-16T15:10:28.000Z (over 5 years ago)
• Last Synced: 2025-02-13T10:47:47.131Z (3 months ago)
• Size: 13.7 KB
• Stars: 0
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# sre-fundamentals

## Metrics

### Host metrics

- CPU usage	

- Load average

- Memory usage	

- Disk usage	

- Disk IO

- Network traffic

**Links:**

- https://docs.appsignal.com/metrics/host.html

- https://micrometer.io/docs/concepts

- https://www.callicoder.com/spring-boot-actuator-metrics-monitoring-dashboard-prometheus-grafana/

### JVM Metrics

- Run count and elapsed times for all supported garbage collectors

- Memory usage for all memory pools, including off-heap memory

- File descriptor usage

![](https://imgix.datadoghq.com/img/blog/java-runtime-monitoring-with-jvm-metrics/jvm-runtime-monitoring-runtime-metrics-dashboard.png?auto=format&w=1140&dpr=2)

**Links:**

- https://metrics.dropwizard.io/3.1.0/manual/jvm/

- https://www.datadoghq.com/blog/java-runtime-monitoring-with-jvm-metrics/

- https://devcenter.heroku.com/articles/language-runtime-metrics-jvm

### App Metrics

- memory usage

- garbage collection

- thread usage

- request throughout

- number of sessions

- response time

- database connection pool

- error rates

- uptime

**Links:**

- https://stackify.com/tomcat-performance-monitoring/

## Tools

- https://github.com/jiaqi/jmxterm

- https://github.com/prometheus/jmx_exporter