The Pig 0.8 release includes a large number of bug fixes and optimizations, but at the core it is a feature release. It’s been in the works for almost a full year (most of the work on 0.7 was completed by January of 2009, although it took a while to actually get the release out), and the amount of time spent on 0.8 really shows. I meant to describe these in detail in a series of posts, but it seem
以下の記事ではPig, Hiveなど8種類の言語でMapReduceの一番単純な例、WordCountを記述した場合のスクリプトの比較を行っています。とても興味深かったので紹介したいと思います。Pigs, Bees, and Elephants: A Comparison of Eight MapReduce Languages « Dataspora なお、今回はRSS購読しているDataSporaのブログから発見しましたが、エントリを寄稿したエンジニアの個人ブログも大変興味深いのでオススメです。 はじめにMapReduceを美しく効率的に書くために、私は様々な言語を比較しました。果たしてその勝者は!?私の個人ブログでは統計やグラフのアルゴリズムをMapReduceで記述する方法を紹介し、擬似コードによる実装を示しました。擬似コードには2つの問題点があります:誰もがその命令を理解できると
Thank You! Open Feedback Publishing System (OFPS) is now retired. Thank you to the authors and commenters who participated in the program. OFPS was an O'Reilly experiment that demonstrated the benefits of bridging the gap between private manuscripts and public blogs. Readers gained access to in-progress O'Reilly manuscripts and were able to communicate suggestions with the authors, follow others'
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Date Thursday, January 21st, 2010 Description Pig is a platform for analyzing large data sets that consists of a high-level language for expressing data analysis programs, coupled with infrastructure for evaluating these programs. This lecture includes a work-along exercise. The next video is a screencast of a user performing this exercise. Duration 50 Minutes Materials Slides: PDF Next Steps Pig
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