GlassFish is an open-source, fully Java EE-compliant application server (including support for Java Servlets, JSPs, EJBs, JPA, JMS and more). It provides a platform for developing, deploying, and managing Java-based enterprise applications. It is developed by the Eclipse Foundation and is based on the Java EE reference implementation.
GlassFish has gained popularity as an open-source alternative to other Java EE application servers. It is widely used for developing and deploying Java EE applications in various enterprise environments.
GlassFish offers a range of key features that facilitate the development, deployment, and management of Java applications. Some of the notable features include:
GlassFish includes a web-based administration console that provides a graphical user interface for monitoring and managing the server. The console displays real-time information about server health, resource usage, and application statistics. It allows administrators to monitor thread pools, JDBC connection pools, JMS resources, and other server resources.
From the built-in monitoring capabilities, you can understand the usage of the GlassFish application server and identify bottlenecks within the server. However, many enterprise deploying GlassFish are looking for more comprehensive end-to-end monitoring capabilities. Key requirements include:
Only with such comprehensive insight can IT admins answer today’s toughest question “Why is my application slow?”.
Since GlassFish runs on a Java virtual machine, it is essential to monitor the JVM and its internals in-depth. Performance of the JVM garbage collector, usage of the JVM’s heap memory, threads running in the JVM are some of the key metrics to collect. GlassFish exposes key metrics about the application server via Java Management Extensions interfaces so monitoring tools can track the application server’s performance. GlassFish application server logs are also a great source of metrics. Access logging must be turned on for this. To get greater insights into applications hosted on GlassFish, distributed transaction tracing can be implemented using tools like eG Enterprise.
Learn more about the converged application and infrastructure monitoring approach that eG Enterprise uses: https://www.eginnovations.com/converged-application-infrastructure-monitoring