Prometheus

As you know Prometheus already having UI (localhost:9090). But it is not enough to give you better visualization on one screen. For better visualization and a graphical representation, we are going to use Grafana. What is Grafana? As grafana.com says ”Grafana is the open-source analytics and monitoring solution for every database.” This means Grafana is an independent tool for analytics and monitor which gives your various types of Graphs. It is not restricted to Prometheus DB only, You can use mostly any Databases like MySQL, Elasticsearch, etc. So you can visualize different data points from the different databases on one screen. This is the flexibility and power Grafana provides. ...

Introduction In PART-1 and PART-2, We have seen how prometheus works and how to setup Prometheus and exporters. We have readymade exporters available on the internet. But sometime there is situation where you need to store your own custom metrics on prometheus. In such case you have to write your own exporters which will exporters the data into Prometheus. There is two way to exporting the data on prometheus: 1. Exporting to a Pushgateway Here we metrics are getting the push to prometheus server. It not exposed over any URL or port. Internally it directly calls to Prometheus host and pushes the metrics to that. ...

Introduction In PART - 1, We have successfully setup Prometheus and exporters. In this part, we are going to setup alertmanager and will send our first alert. Alertmanager is software that is maintained by the prometheus and it is written in Go. It takes care of deduplicating, grouping, and routing them to the correct receiver integration such as email, PagerDuty, or OpsGenie. It also takes care of silencing and inhibition of alerts. ...

As a developer, many times you would have worried, whether your services are up and running or not. Not only that, sometimes as an infrastructure guy you might be also worried about your server’s health too. What is the current RAM or disk utilization? or whether they are going to be fully occupied which in turn can completely bring the system down. These are just the basics and in fact there are tons of more such things which need to be monitored and fixed in everyday’s life. ...