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"Book pick" Big Data development deep HDFs

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 ...

Electric quotient shocks rents soar Monsoon Book Park management right of the main

["Also tried other way out, selling coffee, rent books have tried, but continue to open is to lose money." A former bookstore owner told reporters, "a bookstore as big as the monsoon Book Park is not easy to live in in this environment."   "The independent bookstore, which is overwhelmed by rents, is struggling in the wards," he said. "When you're losing money, and you don't know how to make a profit, it's the most dangerous." "The founder of Shanghai Monsoon Book Park is not as sentimental." 1997 in Shaanxi South Road started, developed to the heyday of the 8 companies ...

Timeline: "The Book of Life and Death" in the big Data age

The time axis can present the user more personalized, the privacy, the stereoscopic, the interactive data and the information, each kind of related form innovation product and the application, is considered will contain the huge commercial value. A year ago, many foreign internet companies, such as Facebook and path, began to use the timeline (Timeline) function. Simply put, timeline is a user-edited personal timeline that records the user's behavioral trajectory and can control personal information only to those who want to show it. Timeline application allows Facebook users to share with friends ...

Seven use cases for Python regular expressions

As a concept, regular expressions are not unique to Python. However, the regular expression in Python still has some minor differences in actual use. This article is part of a series of articles about Python regular expressions. In the first article in this series, we will focus on how to use regular expressions in Python and highlight some of the unique features in Python. We'll cover some of the ways Python searches and locates strings. Then we talk about how to use groupings to handle me ...

Data import HBase Three most commonly used methods and practice analysis

To use Hadoop, data consolidation is critical and hbase is widely used. In general, you need to transfer data from existing types of databases or data files to HBase for different scenario patterns. The common approach is to use the Put method in the HBase API, to use the HBase Bulk Load tool, and to use a custom mapreduce job. The book "HBase Administration Cookbook" has a detailed description of these three ways, by Imp ...

To teach you to use Jackie Program to integrate discuz! forum to make book website

This article for the use of Jackie Program to do book station newcomer, Master can skip. Many friends say that Jackie's own forum is not good-looking, function settings are very few, want to use other types of forums such as discuz This type of forum procedures. And Jackie official on the integration of Discuz tutorial is too little, integration is very troublesome, for the new people is even more difficult.   Below I put Jackie Integrated Discuz method Introduction, hope to help new people. First, the installation of Jackie program. How to install the Jackie program, in my other tutorials have a special story, here is not said. ...

On the promotion method of new station

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall for like me rookie class personage, newly created a website: The skin is interesting, every day is pondering how to promote. In fact, each of our webmaster is the first time to let others know their own site, and to browse the site, so that the new station can quickly reach their expected volume of browsing.   However, now the site is too much, so, make the site, more and more easy to promote the site, more and more difficult ah. Recently I organized some Web site traffic free upgrade methods and techniques to provide you webmaster reference, synthesis such as ...

Share Redis Use the full Raiders: How to jump out of the SQL this pit

With the proliferation of data volume, Mysql+memcache has not met the needs of large-scale Internet applications, many organizations have chosen Redis as its architectural complement, however, redis the use of the threshold is not low, such as not supporting SQL, here for everyone to share the Redis use of the full raiders. Redis, one of the most closely watched NoSQL databases, has been used by many well-known internet companies, such as Sina Weibo, Pinterest and Viacom. However, being born with no support for SQL makes him look difficult ...

Large data architecture-configure storage and indexing with HBase and SOLR

HBase and SOLR can make requests to solr through a coprocessor coprocessor, and SOLR can synchronize the data that is received: adding, deleting, and indexing operations.     Store and index on different machines, this is a large data architecture must be, but there are many students do not know this way, they are very new to this idea, however, this is definitely a good direction, so do not know how to study. One of my friends left my blog.

Using hive to build a database to prepare for the big data age

Storing them is a good choice when you need to work with a lot of data. An incredible discovery or future prediction will not come from unused data. Big data is a complex monster. Writing complex MapReduce programs in the Java programming language takes a lot of time, good resources and expertise, which is what most businesses don't have.   This is why building a database with tools such as Hive on Hadoop can be a powerful solution. Peter J Jamack is a ...

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