The authoritative guide to Hadoop (fourth edition) Essentials translation (1)--foreword and preface

The deployment and operation of the Hadoop full-distribution model has been completed in the early stages, and a further understanding of the Hadoop principle is based on HADOOP2. X Books The best is the "Hadoop authoritative Guide (fourth edition)", unfortunately the author just finished at the beginning of the year, did not have time to translate, had to see the English version, the main points of the book in the next period of time I will translate it in turn (all the translation is not too realistic, not so much energy, nearly 900 pages), If there is an inappropriate translation of the place, also please point out, common progress, thank you!

Today is a beginning, first translation of the preface and preface the main points of the text

1.Foreword

1) Wesplit off the distributed computing part of Nutch, naming it Hadoop.

We separated the parts of the Nutch project about distributed computing and named Hadoop.

2) Initially,tom specialized in making Hadoop run well on Amazon's EC2 and S3 services. Thenhe moved on to tackle a wide variety of problems, including improving themapreduce APIs, enhancing the website, and de Vising an object serializationframework.

First, Tom specializes in the smooth running of Hadoop on Amazon's EC2 and S3 services. He then shifted his focus to dealing with a variety of issues including improving the API for MapReduce, optimizing the site, and designing a serialization framework.

2. Preface

1) Ifthere ' s a common theme, it is about raising the level of abstraction-tocreate building blocks for programmers who H Ave lots of data to store Andanalyze, and who don ' t has the time, the skill, or the inclination to becomedistributed Syst EMS experts to build the infrastructure to handle it.

If there is a common theme, it is about raising the level of abstraction, for those who need to store and analyze large amounts of data, but have no time, no technology, and no interest in becoming a programmer of distributed system experts to build a basic module.

Note: Next translation the first part of the first chapter meet Hadoop points, a bit more, it takes time

The authoritative guide to Hadoop (fourth edition) Essentials translation (1)--foreword and preface