GlassFish Application Performance Monitor

The most developer-centric means of seeing into the performance of Java applications running on GlassFish

GlassFish Application Performance Monitor

Using FusionReactor APM is critical for ensuring a fast, reliable, and secure user experience, and for improving the overall performance and scalability of your application. By providing real-time visibility into the performance of your application, APMs allow you to proactively identify and resolve performance issues and ensure that your application is running optimally.

All the insight you need from the GlassFish Application Performance Monitor

  1. In-depth analysis: FusionReactor offers a thorough examination of Glassfish application performance, including information on memory usage, thread performance, and database performance.
  2. Real-time observation: FusionReactor provides real-time monitoring, making it easier to spot and address performance issues as they occur.
  3. User-friendly interface: Its user-friendly interface makes it simple for developers, even those not well-versed in performance monitoring, to navigate and comprehend performance metrics.
  4. Customizable alerts: FusionReactor allows customizing alerts to notify you when specific performance limits are exceeded, allowing for proactive resolution of issues.
  5. Performance investigation: It offers in-depth performance analysis, including transaction tracing and flame graphs, making it easier to determine the root cause of performance problems.
  6. Glassfish integration: With built-in support for Glassfish, setting up and monitoring your Glassfish applications with FusionReactor is straightforward.

Using an application performance monitoring (APM) tool such as FusionReactor to monitor Glassfish, a Java EE application server, can provide several benefits:

  1. Performance optimization: APM tools provide real-time insights into the performance of Glassfish applications, allowing you to identify and resolve performance issues quickly and effectively.
  2. Troubleshooting: APM tools provide detailed performance analysis, including transaction tracing and flame graphs, to help you diagnose the root cause of performance issues.
  3. User experience improvement: By monitoring Glassfish applications, you can ensure that they are running smoothly and efficiently, resulting in a better user experience.
  4. Alerting: APM tools can be configured to send notifications when specific performance thresholds are crossed, allowing you to proactively address performance issues.
  5. Integration: APM tools like FusionReactor provide built-in support for Glassfish, making it easy to set up and start monitoring your Glassfish applications.
  6. User-friendly interface: APM tools often have a user-friendly interface that makes it easy to navigate and understand performance metrics, even for developers who are not experts in performance monitoring.

Using FusionReactor to monitor Glassfish applications is valuable for ensuring optimal performance, resolving issues quickly, and improving the overall user experience. By providing real-time monitoring, detailed performance analysis, and customizable alerting, APM tools are essential for identifying and fixing performance issues before they affect your users.


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GlassFish is a free, open-source application server that implements the Java EE platform, including the Servlet, JSP, EJB, and JPA technologies. It was initially developed by Sun Microsystems and is now maintained by the Eclipse Foundation. GlassFish is designed for developing and deploying large-scale, enterprise-level applications. It provides a comprehensive set of features, including robust security, high availability, and scalability. GlassFish also offers a modular design, allowing administrators to easily add or remove features as needed. It is a popular choice for organizations that require a flexible and scalable Java EE platform for their applications.

  1. Java EE compatibility: GlassFish fully complies with the Java EE platform and supports the latest Java EE standards and specifications.
  2. Modular design: GlassFish has a modular design that allows administrators to add or remove features as needed, making it easy to customize for specific needs.
  3. Robust security: GlassFish includes comprehensive security features, including role-based access control, SSL support, and secure storage of passwords and other sensitive data.
  4. Scalability: GlassFish is designed to scale to meet the demands of large-scale, enterprise-level applications and supports load balancing, clustering, and failover.
  5. High availability: GlassFish provides high availability features, including automatic failover, to ensure that applications are always available.
  6. Management and monitoring: GlassFish includes a management console that provides a centralized point for managing and monitoring applications, as well as the server itself.
  7. Community support: GlassFish has a large and active community of developers and administrators who contribute to the project and provide support to users.
  8. Extensibility: GlassFish provides a plug-in architecture that allows developers to add new features and capabilities to the server, making it easy to extend and customize.
  9. Open source: GlassFish is open source software and is freely available for download and use.


Glassfish Application Performance Monitor, FusionReactor