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Tom White

 

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MapReduce is a programming model for processing vast amounts of data. One of the reasons that it works so well is because it exploits a sweet spot of modern disk drive technology trends. In...

I've bumped into consistent hashing a couple of times lately.

I've raved about the MapReduce parallel programming model in the past, and Apache Hadoop (the framework for...

I noticed that Paul Dowman has created a Ruby on Rails AMI for use on Amazon EC2 (...

The long-awaited final version of jMock 2 was released today. There are some big changes since version one. For example, you can now write

...

We kept breaking our XML catalog resolution in the course of developing an application. We would refactor the parser code, or we...

In Literate Programming with jMock
I enthused about jMock's idea of constraints and...

In a previous blog entry I mentioned a literate functional testing framework that we had developed at...

[Update: changed wording per comments to fix error.]

In case you haven't heard of it, Amazon S3 is a web service for storing data.
The two great things about it are that it's simple (look at its nice...

Singulars and plurals are so different, bless my soul.
Has it ever occurred to you that the plural of "half" is "whole"?

Allan Sherman...

According to the dictionary, an anaphor is a word used to avoid repetition. It refers back to something in the conversation. The...

We've been using jMock at our company for some time now. We've found it great for test driven development
and...

Anders Møller's dk.brics.automaton is a Java regex
package whose main claim to fame is that it is significantly...

With the launch of Amazon S3 (Simple Storage Service) we are seeing a continuation of the trend for the big web companies to monetize their computing...

In a previous blog
I wrote about Nutch's MapReduce implementation, for distributed processing of massive...

There's been a bit of a backlash against XML config files lately. The Ruby On Rails community has a crisp putdown: avoid "doing XML sit-ups". And the...

Doug Cutting has done it again. The creator of Lucene and Nutch has implemented (with...

One of the things that writing Object Oriented systems encourages you to consider is:
what is the responsibility of each class in the system?
For example, the Model-View-...

There is an old saying that mathematicians only know three numbers: 0, 1 and ∞ (infinity).
There is some truth in this in computing too, as dealing with a single entity can be very...

Perl is famous for its one-liners. By using the -e command line switch you can execute...

During a panel discussion at the 1999 JavaOne conference Bill Joy, talking about the things he didn't like about Java, stated that...

There was no fanfare, in fact it's not even linked to from the JDK 1.5 documentation, but
the third edition of the Java...