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When we are developing a Web program, in order to search engine optimization (SEO), we often need to optimize the access address of the web, such as modifying http://localhost/Default.aspx?tab=performance to http:// Localhost/default_performance.aspx, the latter address can be better searched by search engines, so as to achieve the goal of search engine optimization. Microsoft has an open source class library Urlrewriter ...

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How to install Nutch and Hadoop to search for Web pages and mailing lists, there seem to be few articles on how to install Nutch using Hadoop (formerly DNFs) Distributed File Systems (HDFS) and MapReduce. The purpose of this tutorial is to explain how to run Nutch on a multi-node Hadoop file system, including the ability to index (crawl) and search for multiple machines, step-by-step. This document does not involve Nutch or Hadoop architecture. It just tells how to get the system ...

This paper is an excerpt from the book "The Authoritative Guide to Hadoop", published by Tsinghua University Press, which is the author of Tom White, the School of Data Science and engineering, East China Normal University. This book begins with the origins of Hadoop, and integrates theory and practice to introduce Hadoop as an ideal tool for high-performance processing of massive datasets. The book consists of 16 chapters, 3 appendices, covering topics including: Haddoop;mapreduce;hadoop Distributed file system; Hadoop I/O, MapReduce application Open ...

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Companies such as IBM®, Google, VMWare and Amazon have started offering cloud computing products and strategies. This article explains how to build a MapReduce framework using Apache Hadoop to build a Hadoop cluster and how to create a sample MapReduce application that runs on Hadoop. Also discusses how to set time/disk-consuming ...

Several years of work down, also used several kinds of database, accurate point is "database management system", relational database, there are nosql. Relational database: 1.MySQL: Open source, high performance, low cost, high reliability (these features tend to make him the preferred database for many companies and projects), for a large scale Web application, we are familiar with such as Wikipedia, Google, and Facebook are the use of MySQL. But the current Oracle takeover of MySQL may give us the prospect of using MySQL for free ...

Unit testing and integration testing play a pivotal role in the entire process of our software development, on the one hand, programmers to write unit tests to verify the effectiveness of their programs, on the other hand, managers through continuous automated unit testing and analysis of unit testing coverage to ensure the quality of the software itself. Here, let's not talk about the importance of unit testing itself, for most of the current java-based http://www.aliyun.com/zixun/aggregation/13760.html "& ...