Monitoring WildFly

Monitoring and collecting performance metrics is an important part of application
development and maintenance. One would be interested in metrics such as memory
usage, response time of the various endpoints, CPU usage, load on the machine,
garbage-collection frequency, and pauses.

Here you will find several tutorials about monitoring WildFly Application Server using several tools such as Prometheus and its Alert Manager. How to display metrics with Grafana, How to capture insights with the ELK Stack and more.

How to get the list of MBeans in WildFly

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This article shows how to fetch the list of MBeans which are available in WildFly application server and check their properties Getting started with the JMXConnector As per JMX Specification, client applications can obtain MBeans through an MBean server connection, accessed by means of a JMX connector. In this article we will show how to … Read more

How to monitor WildFly with Prometheus

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In this tutorial we will get started with Prometheus platform, by learning how to monitor WildFly application server new metrics subsystem. Prometheus is an open-source monitoring and alerting platform. Its main features are: a multi-dimensional data model with time series metrics (key/value pairs) a flexible query language (PromQL) to leverage the data model autonomous single … Read more

How to capture your Application alerts in a Slack channel

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Slack is a channel-based messaging platform which can be used to help people to effectively work together, connect their software tools and services, and find the information they need within a secure, enterprise-grade environment. In this tutorial you will learn how to forward application alerts to a Slack channel so that your team can get … Read more

Using Prometheus and Grafana to capture Alerts and visualize Metrics

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This is the third tutorial about how to use Prometheus server to capture metrics from a Microprofile compatible server like WildFly or Quarkus. In the first two tutorials, we have discussed how to set up Prometheus to connect to WildFly (Monitoring WildFly with Prometheus) and Quarkus ( Monitoring Quarkus with Prometheus) to capture Microprofile metrics. We … Read more

How to monitor JBoss CPU usage like a pro

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In this tutorial we will learn which options can be used to monitor the CPU usage of JBoss / WildFly threads. CPU monitoring can be done in several ways, we however recommend using a free tool like JVisualVM or JConsole to collect this data. Monitoring WildFly CPU usage with JVisualVM VisualVM is a free tool … Read more

Finding which Java threads are consuming your CPU

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Are your Java threads consuming most of your CPU and want to find which one is actually consuming most of it? Then just keep reading. There are several solutions to detect which Java thread is consuming more CPU. Use JVisualVM to find CPU consuming threads If you have installed JVisualVM, then you can connect to … Read more

How to monitor JBoss 5 with snapshots?

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This tutorial has been written for an old version of JBoss AS 5. At the bottom of it, you will find how to collect snapshots with JBoss 5 from the JMX-Console. If you are running WildFly or JBoss EAP 7, we recommend the following updated resources: Monitoring Enterprise applications with OpenShift and Prometheus Monitoring WildFly … Read more

How to manage WildFly metrics

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Wildfly 15 has been released. One of the enhancements contained in it is the enhanced set of metrics that are exposed by the application server so that they can be consumed by the Openshift Console You can check the following health and metrics with WildFly 15: Application Server health: $ curl http://localhost:9990/health {“outcome”:”UP”,”checks”:[]} Application Server … Read more