http://twitter.com/tom_e_white
Hadoop expert, author.
Areas of Expertise:
- Apache Hadoop
- distributed computing
- big data
- programming
- writing
Biography
Books
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Blog
Tom's blog posts are hosted at:
http://www.lexemetech.com/
http://www.lexemetech.com/
"Hadoop: The Definitive Guide" Coming Soon
May 06 2009
After a busy couple of months I've finished the writing for "Hadoop: The Definitive Guide". It's now going through the production process at O'Reilly.You can pre-order it on Amazon and O'Reilly. You can also get the Rough Cuts version from O'Reilly to read today, although it hasn't yet been refreshed… read moreJanuary 27 2009
A couple of quick updates on the Hadoop book I'm writing. The Pig chapter is now available on Safari. It still has a few holes, but I'd love to hear feedback on it.Also included is a Hadoop case study from Last.fm. Thanks to Adrian Woodhead and Marc de Palol for… read moreNovember 20 2008
The Cloudera team have just released a website which has a few reports on various Hadoop development metrics. I like the Most Watched Open Jira Issues, as it gives a good summary of what Hadoop Core developers are thinking about.Personally, I can't wait for the new MapReduce API (HADOOP-1230), which… read moreOctober 16 2008
I'm pleased to announce that I've joined Cloudera, a new startup providing support for Hadoop. Amr Awadallah (who's one of the founders) has got more details in his blog post. read moreSeptember 16 2008
The Rough Cut of Hadoop: The Definitive Guide is now up on O'Reilly's site. There are a few chapters available already, at various stages of completion. Remember, it's still pretty rough. I'd love to hear any suggestions for improvements that you may have though. You can give feedback on the… read moreHosting Large Public Datasets on Amazon S3
September 04 2008
There's a great deal of interest in large, publicly available datasets (see, for example, this thread from theinfo.org), but for very large datasets it is still expensive to provide the bandwidth to distribute them. Imagine if you could get your hands on the data from a large web crawl, the… read moreElastic Hadoop Clusters with Amazon's Elastic Block Store
August 23 2008
I gave a talk on Tuesday at the first Hadoop User Group UK about Hadoop and Amazon Web services - how and why you can run Hadoop with AWS. I mentioned how integrating Hadoop with Amazon's "Persistent local storage", which Werner Vogels had pre-announced in April, would be a great… read moreJuly 23 2008
I'm noticing an increased desire to make Hadoop more modular. I'm not sure why this is happening now, but it's probably because as more people start using Hadoop it needs to be more malleable (people want to plug in their own implementations of things), and the way to do that… read moreRPC and Serialization with Hadoop, Thrift, and Protocol Buffers
July 08 2008
Hadoop and related projects like Thrift provide a choice of protocols and formats for doing RPC and serialization. In this post I'll briefly run through them and explain where they came from, how they relate to each other and how Google's newly released Protocol Buffers might fit in.RPC and WritablesHadoop… read moreHadoop beats terabyte sort record
July 03 2008
Hadoop has beaten the record for the terabyte sort benchmark, bringing it from 297 seconds to 209. Owen O'Malley wrote the MapReduce program (which by the way has a clever partitioner to ensure the reducer outputs are globally sorted and not just sorted per output partition, which is what the… read moreJune 20 2008
If you want a high-level query language for drilling into your huge Hadoop dataset, then you've got some choice:Pig, from Yahoo! and now incubating at Apache, has an imperative language called Pig Latin for performing operations on large data files.Jaql, from IBM and soon to be open sourced, is a… read moreJune 13 2008
James Hamilton on The Next Big Thing:Storing blobs in the sky is fine but pretty reproducible by any competitor. Storing structured data as well as blobs is considerably more interesting but what has even more lasting business value is the storing data in the cloud AND providing a programming platform… read moreMay 30 2008
Today I visited Raglan Castle in Monmouthshire with my family. Cadw, the government body that manages the castle, were running a trial to deliver audio files to visitors' mobile phones using Bluetooth. As I walked through the entrance I simply made my phone discoverable, waited a few seconds for the… read moreApril 30 2008
Last July I asked "Why are there no Amazon S3/EC2 competitors?", lamenting the lack of competition in the utility or cloud computing market and the implications for disaster recovery. Closely tied to disaster recover is portability -- the ability to switch between different utility computing providers as easily as I… read moreApril 14 2008
On Friday in Amsterdam there was a lot of Hadoop on the menu at ApacheCon. I kicked it off at 9am with A Tour of Apache Hadoop, Owen O'Malley followed with Programming with Hadoop’s Map/Reduce, and Allen Wittenauer finished off after lunch with Deploying Grid Services using Apache Hadoop. Find… read moreMultimedia
Webcast: An Introduction to Hadoop
July 16, 2009
Duration: Approximately 60 minutes. Cost: Free In this webcast, Cloudera founder Christophe Bisciglia and O'Reilly author Tom White will provide an introduction to Hadoop/MapReduce, the open source project that allows organizations to process, store...
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