Installation configuration of Oozie scheduling system on Hadoop platform

Oozie is the open source scheduling tool on the Hadoop platform, which has been used Oozie for nearly a year in the project, and the Oozie installation configuration is quite complex. In order to use it conveniently, a lot of configuration needs to be done.   The following is a set of steps for Oozie installation configuration, for the use of Hadoop and Oozie children's shoes for reference, but also easy to see their own. 1 Decompression installation package TAR-XZF oozie-3.3.2-distro.tar.gz 2 modified addtowar.sh foot ...

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 ...

Hadoop Hbase vs Oracle differences, advantages and disadvantages of 2 databases

HBase as a subproject under Hadoop, the current development is more powerful, and traditional relational database Oracle to compare, both have advantages and disadvantages, we first look at a simple table. Data maintenance: For example, UPDATE, just insert a new record according to key value, the old version is still in, will be in the process of storefile merge delete data maintenance: Add and remove change is very convenient, directly modify the above simple list of hbase and Oracle the difference between the two, There are other details where there is no description, can be from above the right ...

Yong Maoyuan: HBase in the vertical search business and data storage applications!

Hadoop has been widely used in information technology giants such as Taobao, Baidu, FaceBook and Yahoo, and many commercial release packages have emerged as the most mature platform in large data-solution areas.   The Yong Maoyuan will share some hbase related technical content.   Here is the original interview:-What is it that attracts you to delve into Hadoop technology? From a technical point of view, Hadoop is a popular distributed storage and computing framework. To meet the company's evolving large data computer storage needs. Good ...

Cloudera CTO: Replace MapReduce future will increase spark and other framework inputs

Over the past two years, the Hadoop community has made a lot of improvements to mapreduce, but the key improvements have been in the code layer, http://www.aliyun.com/zixun/aggregation/13383.html ">   Spark, as a substitute for MapReduce, has developed very quickly, with more than 100 contributors from 25 countries, and the community is very active and may replace MapReduce in the future. The high latency of mapreduce has become ha ...

Dong Xicheng: Hadoop will expand its advantages in the fast development and perfection!

The current development of Hadoop, especially after the advent of Hadoop 2.0, HDFs and yarn Two systems have a number of significant features have been achieved, and thus promote the development of the upper computing system, including the emergence of Tez to make hive and pig have a greater performance improvement,   There are a variety of new frameworks based on yarn. May 20, 2014, CSDN work together chinahadoop small elephant community will build a distributed online storage system HBase, Data Warehouse hive, Hadoop in the telecommunications transport ...

5 common pitfalls in open source projects

Mention of open source, from software, hardware and ideas have become more and more popular, the application form is also more abundant.   If the enterprise wants to start a new open source project, the five Open source project "traps" proposed by the OpenSource website should be paid attention to, at the same time, the project execution has been carried out, by understanding that it can be done effectively and smoothly at any stage. Just support yourself if you plan to release an Open-source product, you need to have a deep understanding of what "support you need" means. Don't expect people from all walks of life to help you provide product support, and everyone will think that what they do is very heavy ...

Hadoop pseudo-Distributed installation method

I have been in touch with Hadoop for almost two years, and have not summed up the installation tutorial myself, and have recently used Hadoop to build a cluster to carry out the experiment, so I use this opportunity to write a tutorial for later use, and to discuss with you. To install Hadoop first install its secondary environment Java Ubuntu Java installation and configuration will be Java installed in the specified path to find use after convenient. Java installation 1) in the/home/xx (that is, the current user) directory, new java1.xx file ...

Twitter: A simple tweet behind the powerful open source power

Absrtact: 7 years ago, one of the ideas, the success of today's popular social network and microblogging service--twitter. Twitter now has more than 200 million monthly active subscribers, and about 500 million tweets are sent every day.   Behind all this is the support of a large number of open source projects. Twitter, known as the "Internet SMS Service", allows users to post no more than 140 tweets, the idea from Twitter's co-founder, Jack Dorsey, which was dubbed "the dumbest Ever" by analysts 7 years ago ...

A word about Hadoop technology

&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp;   Hadoop is a distributed system platform, it can easily build an efficient, high-quality distribution system, and it has many other related subprojects, that is, its function of a great expansion, including Zookeeper,hive,hbase. ...

HBase Introduction

Introduction history started by Chad Walters and Jim 2006.11 G release monitors on http://www.aliyun.com/zixun/aggregation/14239.html " >bigtable 2007.2 inital HBase prototype created as Hadoop Co ...

Hadoop + Hive + Map +reduce cluster installation deployment

Environmental preparedness: CentOS 5.5 x64&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; (3 sets) 10.129.8.52 (master) ======>> Namenode, Secondarynamenode,jobtracker 10.129.8.76&

Facebook uses PCIe Flash to add power to cheap disk arrays

Http://www.aliyun.com/zixun/aggregation/1560.html ">facebook upgraded the Flashcache Open Source tool, allowing administrators to get higher performance from inexpensive disk arrays configured with PCIe flash cards. The Flashcache tool is now upgraded to version 3.0. The tool allows Facebook to use the high-performance cache on the PCIe Flash memory card to speed access to critical data without costly use of full flash array ...

Apache HBase 0.96.0 release, distributed database

Http://www.aliyun.com/zixun/aggregation/14417.html ">apache HBase 0.96.0 has been released from the 0.94.x version for more than a year, so we recommend that users upgrade to this version." This release fixes more than 2000 problems, while significantly improving stability, operability, and scalability.  For more information, see the release notes. Hbase–hadoop Database, ...

Using Hadoop mapreduce to sort data

Our demand is to count the number of occurrences of each word in a file after the IK participle, and then to sort by descending the number of occurrences.   That is, high-frequency word statistics. Because Hadoop cannot do anything with the result after reduce, it can only be divided into two jobs, the first job count, and the second job to sort the results of the first job. The first job is the simplest example of Hadoop countwords, I would say is to use Hadoop to sort the results. Suppose the results of the first job are output as follows: ...

Hive installation based on Hadoop cluster

Hadoop version number: hadoop-0.23.5 hive version number: hive-0.8.1 Derby version number: db-derby-10.9.1.0 mysql version number: mysql-5.1.47 (Linux redhat installation installed) The first is the hive embedded mode of installation, in hive Embedded installation when the default database is Derby, the installation of embedded mode can not be used for the actual work, namely this model ...

Ubuntu founder: Ubuntu Mobile enters the Chinese market next year

Ubuntu founder: Ubuntu mobile phone enters China market next year 23 hours ago | Times Read | SOURCE csdn| 0 Reviews | The author collates the Ubuntu operating system open source mobile operating system Smartphone iosandroid Summary: 21st, Ubuntu founder Mark Shuttleworth appeared in the building of the Ministry of Software and integrated Circuit Promotion Center (CSIP) to complete canonical company, National Defense Science and Technology University (NUDT) and the CSIP tripartite Joint establishment of open source software ...

Some views on the Nutch2.1 abstract storage Layer-

Nutch2.1 extends the storage layer through Gora, supporting Http://www.aliyun.com/zixun/aggregation/13713.html ">hbase, Accumulo, Cassandra, MySQL, Datafileavrostore, Avrostore and other storage methods. In my repeated tests found that Nutch2.1 than 1.6 of the performance is much worse, the most important thing is not long-term stability ...

Open Source JS MVC Framework backbone.js 1.0 Release

Open Source JS MVC Framework backbone.js 1.0 released 22 hours ago | Times Read | SOURCE csdn| 0 Reviews | The author Zhang Hong month http://www.aliyun.com/zixun/aggregation/33906.html ">javascript Framework Open Source Backbone.js Absrtact: Backbone.js provides a set of web development framework, through model for Key-valu ...

Count the 25 most creative people in the technology industry

Inventory of the technology industry's most creative 25 people published 21 hours ago | Times Read | SOURCE csdn| 0 Reviews | Author Qian Shu Googleiphone founder Open Source Abstract: The secret of competitive advantage is innovation, corporate culture should promote innovation, and this innovation will lead to the success of competition. Business Insider, America's leading media, recently ranked 25 of the most creative people in the technology industry who changed the rules of the game, developed exciting technologies, designed wonderful new products, and started to influence the entire industry ...

Total Pages: 418 1 .... 91 92 93 94 95 .... 418 Go to: GO
Tags Index:

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.