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With the explosion of information, micro-blogging website Twitter was born. It is no exaggeration to describe Twitter's growth with the word "born". Twitter has grown from 0 to 66,000 since May 2006, when the number of Twitter users rose to 1.5 in December 2007. Another year, December 2008, Twitter's number of users reached 5 million. [1] The success of Twitter is a prerequisite for the ability to provide services to tens of millions of users at the same time and to deliver services faster. [2,3,4 ...

1. The introduction of the Hadoop Distributed File System (HDFS) is a distributed file system designed to be used on common hardware devices. It has many similarities to existing distributed file systems, but it is quite different from these file systems. HDFS is highly fault-tolerant and is designed to be deployed on inexpensive hardware. HDFS provides high throughput for application data and applies to large dataset applications. HDFs opens up some POSIX-required interfaces that allow streaming access to file system data. HDFS was originally for AP ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Hall happened to see the previous wrote this post "small scale low performance low flow Web site design principles", re-sent to micro-blog caused a little response, feel the need to Linode VPS as an example of a simple optimization practice, so that someone always ask me, 　　and also to earn a bit of clicks:) Assuming now you've got a basic VPS available, basic memory 512MB. Refer to the various installation instructions provided by the official to run this combination of LAMP ...

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 ...

In the past, we have introduced some principles of software development, such as the 10 commandments of high quality code and the UNIX design principles described in the UNIX legend (next article). I believe that you can learn from middle school some knowledge of design principles, as I said in the "How Do I Recruit procedures", a good programmer usually consists of its operational skills, knowledge level, experience level and ability four aspects. Here I would like to talk about some of the principles of design, I think these things belong to the long-term experience summed up knowledge. These principles should be understood by every programmer. But...

The intermediary transaction SEO diagnoses Taobao guest cloud host Technology Hall welcome Everybody to come to the TUI18 interview, this column is by pushes one to host, specially faces the network promotion field the interview program. We will do our best to explore latent in the crowd of the promotion of talent, experts, they have the most valuable experience to draw out, dedicated to everyone. First of all, let us review the last issue of the guests, the last issue of the guest is Tan Ming teacher, and you share their experience in doing the station. This issue (17th phase) for everyone invited to the guests are 陈建 min, net name, TMP.WORLDW ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host Technology Hall Editor's note: This article by the Light blog Catfan founder Li Yancho writes, his pioneering work is one person in the battle. His current identity includes programmers, artists, designers, translators, administrators. Catfan has been running for almost two years now, but the total cost is less than 5,000 yuan. 　　So he summed up some of his own cost control experience to share with our entrepreneurial friends. The following is the body part: Although the entrepreneurial people are quite many, but ...