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Marcus Hirt

Marcus Hirt



Marcus is one of the founders of Appeal Virtual Machines, the company that created the Java Virtual Machine JRockit. He is currently working as Engineering Manager for the JRockit Mission Control team. In his spare time he enjoys coding on one of his many pet projects, and composing music.

Articles

An Introduction to JRockit Mission Control
JRockit Mission Control is a set of powerful JVM management and analysis tools provided with the JRockit 5.0 R26 JDK. In this article, Marcus Hirt introduces the various components, including the JRockit Management Console, Runtime Analyzer, and Memory Leak Detector. Dec. 12, 2005

JRockit 5.0 - The JVM at Your Fingertips
The BEA JRockit Java virtual machine (JVM) offers more than just a performance advantage. Marcus Hirt discusses some new and experimental manageability and usability features available in JRockit 5.0 R26. Dec. 12, 2005

JRockit 1.4 - The JVM at your fingertips
The BEA JRockit Java Virtual Machine offers more than just a performance advantage. Marcus Hirt discusses some new and experimental manageability and usability features available in JRockit 1.4.2. Apr. 27, 2004



Weblogs

The JRockit Mission Control Update Site Is Live!: The update site for the Mission Control Eclipse plug-ins is finally here!
Posted by Marcus Hirt (hirt) on March 10, 2008 at 09:20 PDT | Comments (0)  

Running Eclipse/Workshop on JRockit!: Now that Mission Control is (or rather will be quite soon) available for use within Eclipse, an update on how to run Eclipse on JRockit is due. There are more benefits than just performance!
Posted by Marcus Hirt (hirt) on February 19, 2008 at 09:25 PDT | Comments (3)  

Mission Control R3.0.2 Released!: Today the latest version of JRockit (R27.5) was released! Included within is the very latest version of Mission Control - R3.0.2. This blog entry briefly discusses what's new and what can be expected in the very near future.
Posted by Marcus Hirt (hirt) on February 19, 2008 at 09:21 PDT | Comments (3)  

Creating Fully Featured JRA Recordings with 1.4 Based JRockits: There are new options added to the JRA recordings almost every release. In recent releases of Mission Control the JRA wizard will check what capabilities the JRockit you are attempting to start a recording on has, and present you with configurable options accordingly. However, this only works on a >=1.5 JRockit. Do not despair; there are still means of starting JRA recordings that contain all the new goodies on 1.4 versions. This is how...
Posted by Marcus Hirt (hirt) on July 23, 2007 at 07:45 PDT | Comments (2)  

The Mission Control 3.0 Latency Analyser: JRockit Mission Control, the low overhead profiling tools suite for JRockit, is now out in a brand new version. With the increasing focus on reducing latencies/increasing responsiveness in applications (see WLRT for instance), Mission Control has been upgraded to help sort out latency related problems.
Posted by Marcus Hirt (hirt) on July 03, 2007 at 09:18 PDT | Comments (0)  

Unorthodox Uses of the Memory Leak Detection Tool - Part 1: This blog entry discusses uses of the JRockit Mission Control 2.0 Memory Leak Detection tool that really don't have anything to do with hunting memory leaks. The first installation shows how to use memleak to look at instances taking part of a specific class relation live.
Posted by Marcus Hirt (hirt) on March 28, 2007 at 09:03 PDT | Comments (0)  

JRCMD Goes Remote (>=R27.1 edition): This blog entry shows how to implement a remote version of jrcmd for JRockit R27.1 (5.0) and later.
Posted by Marcus Hirt (hirt) on March 21, 2007 at 02:25 PDT | Comments (0)  

Mission Control 2.0 released!: Now that JRockit R27.1 is generally available, so is Mission Control 2.0! The low overhead profiling tools suite for JRockit has gotten a total overhaul and is now built upon Eclipse RCP technology. Mission Control 2.0 contains both a lot of new GUI features as well as more detailed profiling information.
Posted by Marcus Hirt (hirt) on December 21, 2006 at 04:12 PDT | Comments (0)  

JRockit Mission Control 2.0 Sneak Peek: This blog entry provides a sneak peek of the new JRockit tools suite, which will be released as part of the JRockit R27.1 release. The blog highlights some of the new features in Mission Control 2.0, and even includes screenshots!
Posted by Marcus Hirt (hirt) on November 08, 2006 at 03:30 PDT | Comments (4)  

Real World Mission Control: Mike Shierberl recently added a blog entry about Mission Control to his ColdFusion blog, where he says nice things about the power of Mission Control and its low overhead.
Posted by Marcus Hirt (hirt) on October 16, 2006 at 04:57 PDT | Comments (0)  

JRockit Certified Reference Platform for Eclipse!: The 1.4 and 5.0 versions of JRockit R26.4 were recently certified as reference platforms for Eclipse 3.2.
Posted by Marcus Hirt (hirt) on September 13, 2006 at 12:57 PDT | Comments (0)  

E = mc^2: JRockit Mission Control 2.0, internally dubbed Energy, is coming along nicely. This blog entry will discuss what the next generation of Mission Control is all about.
Posted by Marcus Hirt (hirt) on May 30, 2006 at 08:49 PDT | Comments (0)  

JMAPI at Work: JInspired uses the Management APIs available in both 1.4 and 5.0 versions of JRockit to show detailed runtime information.
Posted by Marcus Hirt (hirt) on February 01, 2006 at 09:20 PDT | Comments (0)  

Real World Memleak: Brian Kirsh at OSA Foundation has a nice example of how the Memory Leak Detector available in JRockit Mission Control can be used to hunt down a memory leak in Java.
Posted by Marcus Hirt (hirt) on February 01, 2006 at 09:10 PDT | Comments (0)  

JRCMD goes remote!: How to make a command line application that remotely invokes the JRockit ctrl-break handlers using the JMX based JRockit management agent.
Posted by Marcus Hirt (hirt) on December 12, 2005 at 11:49 PDT | Comments (1)  

JRockit Mission Control 1.0 now available!: JRockit is now shipping with a set of powerful tools to monitor, manage, profile and hunt memory leaks in your application. Check out JRockit 5.0 R26 and JRockit Mission Control!
Posted by Marcus Hirt (hirt) on December 12, 2005 at 11:48 PDT | Comments (1)  

Running BEA Workshop/Eclipse with JRockit 5.0: Short entry about how to run BEA Workshop/Eclipse with JRockit.
Posted by Marcus Hirt (hirt) on December 01, 2005 at 02:01 PDT | Comments (1)  

The JRockit JVM's internal performance counters exposed: This entry shows how to remotely connect to a JRockit and read the attributes of the dynamically generated JRockitPerfCounter MBean.
Posted by Marcus Hirt (hirt) on November 25, 2005 at 02:39 PDT | Comments (1)  

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