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PageRank algorithm PageRank algorithm is Google once Shong "leaning against the Sky Sword", The algorithm by Larry Page and http://www.aliyun.com/zixun/aggregation/16959.html "> Sergey Brin invented at Stanford University, the paper download: The PageRank citation ranking:bringing order to the ...

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 ...

Before the formal introduction, it is necessary to first understand the kubernetes of several core concepts and their assumed functions. The following is the kubernetes architectural design diagram: 1. Pods in the kubernetes system, the smallest particle of dispatch is not a simple container, but an abstraction into a pod,pod is a minimal deployment unit that can be created, destroyed, dispatched, and managed. 　　such as a container or a group of containers. 2. Replication controllers ...

The development of spark for a platform with considerable technical threshold and complexity, spark from the birth to the formal version of the maturity, the experience of such a short period of time, let people feel surprised. Spark was born in Amplab, Berkeley, in 2009, at the beginning of a research project at the University of Berkeley. 　　It was officially open source in 2010, and in 2013 became the Aparch Fund project, and in 2014 became the Aparch Fund's top project, the process less than five years time. Since spark from the University of Berkeley, make it ...

Translation: Esri Lucas The first paper on the Spark framework published by Matei, from the University of California, AMP Lab, is limited to my English proficiency, so there must be a lot of mistakes in translation, please find the wrong direct contact with me, thanks. (in parentheses, the italic part is my own interpretation) Summary: MapReduce and its various variants, conducted on a commercial cluster on a large scale ...

1: A simple introduction MongoDB is a distributed document database, supporting the master-slave structure of similar closed-type database, the document is stored in binary http://www.aliyun.com/zixun/aggregation/16702.html ">json form", No locks, no transactions, indexed. 2: Installation Steps Step one: Download the assembly http://www.mongodb.org/downloads Part II: Extract and extract the relevant bin directory to C ...

The recent business is more than, look at the lively is understandable, but there are help the birds who pretend to know what to build out of what expansion door, blocked door, financing door, broken chain door, price war door and other kinds of doors, you are a lame carpenter or a bankrupt anti-theft door factory? A look at these people is not a childhood has not played a greedy snake, the estimated cell phone are used moto. In essence, it is a greedy snake game, in order to correctly explain this theory, I deliberately used my mother 5300 played 10 minutes to revisit the rules of the greedy snake, last play or go to school with 6210. This article is also i from ...

Jug is a task-based parallel framework. It can be used to write code, decompose to tasks, and run different tasks on different processors. It uses file systems to communicate correctly between processes and work through NFS, so you can coordinate processes on different machines. Jug is a pure Python implementation that applies to any platform and can run Python. Jug 0.9 The main change in this version is the rerun of the Jugfile on Barrier (). Add several handy features and fix known errors. Software information: H ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Hall because of the popular search engine, web crawler has become a very popular network technology, in addition to doing search Google,yahoo, Microsoft, Baidu, almost every large portal site has its own search engine, big and small call out the name of dozens of species, 　　There are a variety of unknown thousands of tens of thousands of, for a content-driven Web site, by the patronage of web crawler is inevitable. Some intelligent search engine crawler Crawl frequency is more reasonable, to the website resource consumption ...

What we want to does in this short tutorial, I'll describe the required tournaments for setting up a single-node Hadoop using the Hadoop distributed File System (HDFS) on Ubuntu Linux. Are lo ...