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Java Mission Control

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Java Mission Control
NameJava Mission Control
DeveloperOracle Corporation
Programming languageJava

Java Mission Control is a set of tools for profiling and monitoring Java applications. It was originally developed by JRockit and later acquired by Oracle Corporation. Java Mission Control provides detailed information about the runtime behavior of Java applications, making it a valuable tool for developers and performance tuners. The tool suite includes a Java Virtual Machine (JVM) profiling and event collection system.

Overview

Java Mission Control is designed to provide a comprehensive understanding of Java application performance. It collects data on various aspects of application execution, such as method invocation, object allocation, and garbage collection. This data is then analyzed and presented in a user-friendly format, allowing developers to identify performance bottlenecks and optimize their applications.

Features

Some key features of Java Mission Control include: * **Flight Recorder**: A low-overhead, always-on profiling tool that collects data on JVM events. * **Mission Control Console**: A graphical user interface for analyzing and visualizing collected data. * **JVM Profiling**: Detailed profiling of Java application execution, including method invocation and object allocation. * **Event Collection**: Collection of events from the JVM, such as garbage collection and class loading.

Architecture

Java Mission Control consists of two main components: * **Flight Recorder**: Runs inside the JVM and collects data on JVM events. * **Mission Control Console**: A separate application that analyzes and visualizes collected data.

Usage

Java Mission Control can be used in various scenarios, including: * **Performance tuning**: Identifying performance bottlenecks in Java applications. * **Troubleshooting**: Diagnosing issues with Java application execution. * **Capacity planning**: Understanding the resource requirements of Java applications.

History

Java Mission Control was originally developed by JRockit, a JVM developed by BEA Systems. After Oracle Corporation acquired Sun Microsystems and BEA Systems, Java Mission Control became part of the Oracle JDK. The tool suite has undergone significant development and improvements over the years, with contributions from various developers, including Lars-Eric Svensson and Chris Newland.

Licensing and availability

Java Mission Control is available as part of the Oracle JDK and OpenJDK. It is also available as a separate download from the Oracle website. The licensing terms for Java Mission Control vary depending on the specific use case and deployment scenario.

Category:Java (programming language)