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An open source JVM Sampling Profiler

2014 March 02
An open source profiler without a safepoint sampling bias. Please contribute!

Date and Time in Java SE 8

2014 January 28
The article for date and time in Java 8 that I wrote for Java magazine has now been published. The article is linked inline here.

How to grow the speakers in your technical community

2013 November 24
Practices that the London Java Community uses to grow the speaking talent in their technical community.

The Resurgence of Apache and the Rise of Eclipse

2013 October 12
Apache is no longer the place projects go to die and eclipse is expanding from just IDEs.

Caching In: Understand, Measure and Use your CPU Cache more effectively

2013 October 02
Slides from my Javaone talk on CPU Caching

Javaone 2013 Review

2013 September 27
I attended Javaone again this year. It was fun.

Performance tests for slow networks with tc

2013 July 25
This post explains a simple way to replicate slow network conditions using the linux command tc. This makes it easier to performance test 2G or slow 3G smartphone connections.

Testing Java 8 in 3 Easy Steps

2013 July 05
We all remember that when Java 7 shipped it had a series of quite severe bugs. We can all help with avoiding the same issue cropping up in Java 8. This post covers using your existing Continuous Integration to run your tests on Java 8.

Garbage Collection in Java (4) - Garbage First

2013 June 24
The G1 collector is the latest collector to be implemented in the hotspot JVM. Its been a supported collector ever since Java 7 Update 4. Its also been publicly stated by the Oracle GC Team that their hope for low pause GC is a fully realised G1. Here's how it works.

Geecon 2013 was great

2013 May 22
Last week I visited Krakow for the Geecon (pronounced "Geek on") conference. I delivered a talk on CPU Caching and helped out with an OpenJDK test fest.

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