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Simon Willison’s Weblog

8 items tagged “hadoop”

Today, Facebook counts 29% of its employees (and growing!) as Hive users. More than half (51%) of those users are outside of Engineering. They come from distinct groups like User Operations, Sales, Human Resources, and Finance. Many of them had never used a database before working here. Thanks to Hive, they are now all data ninjas who are able to move fast and make great decisions with data.

Facebook Data Team 10 30th November 2009, 11:30 am

Introducing Cloudera Desktop. It’s a GUI for Hadoop, and under the hood is a whole stack of open source software, including Python, Django, MooTools, Twisted, lxml, CherryPy, Mako, Java and AspectJ. 3 21st October 2009, 6:48 pm

Finding similar items with Amazon Elastic MapReduce, Python, and Hadoop streaming. Tutorial for running Hadoop jobs on Elastic MapReduce using Python and the 2005 Audioscrobbler dataset. 0 7th April 2009, 9:19 am

Amazon Elastic MapReduce (via) Hadoop as a service. Basically a web based GUI around Hadoop—you could roll this yourself on EC2 but for a small markup on regular EC2 prices you get to avoid the extra work setting everything up. Data processing scripts can be written in Java, Ruby, Perl, Python, PHP, R, or C++ and are loaded in to S3 before firing off the job. 0 2nd April 2009, 10:25 am

Cascading. A Java API abstraction layer over Hadoop that lets developers think in terms of pipes and filters rather than map/reduce. The Cascading developers claim that this model is easier to understand and less error prone. 0 1st October 2008, 1:22 pm

3 and 1/2 minutes to sort a Terabyte, and a look at Hadoop’s code structure. Bill de hÓra uses some clever static analysis tools to explore Hadoop’s 100,000+ lines of code. 0 7th July 2008, 2:15 pm

Python + Hadoop = Flying Circus Elephant. Last.fm have released Dumbo, a Python module that lets you easily write Hadoop map/reduce tasks using Python and generators. 0 31st May 2008, 2:14 pm

Writing An Hadoop MapReduce Program In Python. Hadoop (the open source map/reduce framework) can interact with any program that reads from stdin and outputs on stdout—so it’s trivial to drop in Python scripts for the map and reduce steps. 0 9th October 2007, 11:33 am

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