Home » Author Archives: Marco Tedone

Author Archives: Marco Tedone

JMX and Spring – Part 3

spring-interview-questions-answers

This article is the last one of this series. Take a look at Part 1 and Part 2. In this last article of the series I’ll show how to use the native JMX support within the JDK to implement a notification mechanism which alerts a listener when the HEAP memory is above a certain threshold. As discussed in my previous ...

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JMX and Spring – Part 2

spring-interview-questions-answers

This post continues from Part 1 of the tutorial. Hi, in my previous article I explained how to setup a JMX server through Spring and how to protect access to it through authentication and authorisation. In this article I will show how to implement a simple MBean which allows users to change the level of a Log4j logger at runtime ...

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JMX and Spring – Part 1

spring-interview-questions-answers

This is the first of three articles which will show how to empower your Spring applications with JMX support. Maven Configuration This is the Maven pom.xml to setup the code for this example:           <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>uk.co.jemos.experiments.jmx</groupId> <artifactId>jemos-jmx-experiments</artifactId> <version>0.0.1-SNAPSHOT</version> <name>jemos-jmx-experiments</name> <description>Jemos JMX Experiments</description> <build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>2.3.2</version> <configuration> <source>1.6</source> <target>1.6</target> ...

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Measuring your IT OPS – Part 2

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In my opening article I stated the importance of measuring IT OPS to provide the underlying framework for a Continous Improvement (CI) culture and to this effect I identified a list of IT OPS measurements which I consider key to understand how your IT organisation is performing. In the first article of this series I suggested a simple way of ...

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Measuring your IT OPS – Part 1

agile-logo

In my previous article I briefly explained the importance of measuring IT OPS to lay the foundations for Continuous Improvement (CI). I then listed what I think are few, indispensable IT OPS measurements that form the basis for a CI environment. The first of these is FALT, (Feature Average Lead Time). Which kind of measure is this and why is ...

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The importance of measuring your IT operations

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How could one tell if an IT organisation is working well? A simple measure could be to check the delivered business functionalities versus the requested ones; if IT delivered all that was requested by the business one could assume that the IT organisation works well; viceversa if IT didn’t deliver the majority/totality of what was requested it seems clear that ...

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XML unmarshalling benchmark: JAXB vs STax vs Woodstox

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Introduction Towards the end of last week I started thinking how to deal with large amounts of XML data in a resource-friendly way.The main problem that I wanted to solve was how to process large XML files in chunks while at the same time providing upstream/downstream systems with some data to process. Of course I’ve been using JAXB technology for ...

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AOP made easy with AspectJ and Spring

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I recently started looking at Aspect Oriented Programming (AOP) and I’m finding it exciting to say the least. Of course I was acquainted with it, since I saw it used for transaction management within Spring but I have never looked at it in depth. In this article I want to show how quick it is to get up to speed ...

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Software Engineering needs leaders, not ScrumMasters!

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I recently reflected on SCRUM and the role of the ScrumMaster. We know that a ScrumMaster should act as a servant-leader; she should provide guidance but not decisions, removing impediments yet empowering the team: in a word, the ScrumMaster should act as a facilitator within the team, shielding the team from the outside world, ensuring that the team follows SCRUM ...

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