Open source into proprietary data centers

&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Companies increasingly prefer to compare open source applications with proprietary applications of business.   As the cost of business software is rising, the appeal of open source is becoming more obvious. Open source applications have long been viewed as a niche solution that is not suitable for critical business processes. In the past, its scope of application was limited to academic research. New variants of this pattern appear, providing business-level software support and legal ...

Competing for the Hadoop market, Cloudera and Hortonworks competition white-hot

Recently, hortonworks with the data Application Platform Developer Concurrent formally established the Alliance, and as Hortonworks strong competitor Cloudera, in order to compete for more Hadoop market share also launched a series of plans,   Facing the 813 million dollar market in the future, both sides are committed to expand in the channel, pull into the various forces, a fierce competition is underway, the following look at the CNR's Rick Whiting for us to bring a wonderful analysis. The following is the original: C ...

AMD Data Center Makeover: 90% virtualization, replacing Oracle with Hadoop

Walking in the almost vacant, cave-like building, it still looks like a trucking depot until AMD took over more than two years ago and converted it into a data center.   Although the 153000-square-foot building looks more like an idle warehouse, Dominguez and Bynum see a space full of data halls where AMD, the chipmaker, runs the entire North American business and engineering work. Two executives are pushing a data center integration program for AMD, from Texas, California to branch ...

Java thread pool management and distributed Hadoop scheduling framework

Multithreading is the problem that programmers often face in the interview, the level of mastery and understanding of multithreading concept is often used to measure a person's programming strength. Yes, ordinary multithreading is not easy, then when multithreading encounter "elephants" will produce what kind of sparks?   Here we share the Java thread Pool management and distributed Hadoop scheduling framework with 严澜, the Shanghai Creative Technology director. Usually the development of the thread is a thing, such as Tomcat in the servlet is the threads, no thread how we provide more ...

OpenStack New version: Add nearly 350 features to fix bugs exceeding 2,900

"Editor's note" in the 6 months before the official release of the OpenStack Icehouse version, there are more than 120 companies and organizations from around the world to participate in, the code contributor more than 1200, up from the 2013 Havana version of the increase of 32%. The analysis from Forrester, a consultancy, says that OpenStack has gradually become the de facto infrastructure cloud (IaaS) standard. In the new version, follow the code submission times, Red Hat, IBM, HP, Rackspac ...

Analysis of configuration parameters of Hadoop yarn (4)-fair Scheduler related parameters

First in Yarn-site.xml, set the configuration parameter Yarn.resourcemanager.scheduler.class to Org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairSche   Duler. The configuration options for the Fair Scheduler include two parts, one of which is in Yarn-site.xml, which is primarily used to configure the scheduler ...

Spark Cluster deployment

1. Introduction to the installation environment hardware environment: Two four cores CPU, 4G memory, 500G hard disk virtual machine. Software Environment: 64-bit http://www.aliyun.com/zixun/aggregation/13835.html ">ubuntu12.04 LTS; host name SPARK1, SPARK2,IP address respectively 1**.1 *.**.***/***。 The JDK version is 1.7. Ha has been successfully deployed on the cluster.

Analysis of configuration parameters of Hadoop yarn (3)-mapreduce related parameters

MapReduce related configuration parameters are divided into two parts, jobhistory server and application parameters, and Job history can run on a separate node.   Application parameters can be stored as default parameters in Mapred-site.xml, or can be specified separately when the application is submitted, noting that if the user specifies a parameter, the default parameter is overwritten.   The following parameters are all set in Mapred-site.xml. 1.&http://w ...

To make you really understand what hive is.

Introduction: For the understanding of a thing, there are several situations 1. There is no contact, do not know what this thing is, so it will not produce any problems. 2. Contact, but do not know what he is, anyway I use every day. 3. Have a certain understanding, not enough head side. So hive, 1. How much do we know about it? 2. What is it exactly? What is 3.hive related to Hadoop? Extension: What is the relationship between HBase and hive? Hive was originally supposed to be http://www.aliyun.com/z ...

Interview questions and answers for 28 MongoDB nosql databases

MongoDB is currently the best document-oriented free Open-source NoSQL database. If you are preparing to participate in a technical interview for the MongoDB NoSQL database, you might want to look at the following MongoDB NoSQL interview questions and answers. These MongoDB NoSQL interview questions cover the basic concepts of NoSQL databases, replication (Replication), fragmentation (Sharding), Transactions and locks, trace analysis Tools (Profiler), nuances, and logging features. Let's look at the following ...

EMC VIPR First update adds support for Hadoop and SRMs

EMC Corporation recently released its first update to the software definition storage application EMCVIPR, which added support for Hadoop and EMC's storage Resource Management suite.   EMC also updates its storage Resource Management Suite (srms) for managing storage hardware platforms. EMC disclosed last May that it will use its VIPR to enter the software definition store, September 2013 VIPR officially listed ...

12 Open source JavaScript libraries that developers shouldn't miss

Javascipt is almost all front-end http://www.aliyun.com/zixun/aggregation/7155.html "> developers will have the programming language, and, along with a variety of mobile app's String red, JavaScript can also be used to develop mobile applications. In addition, in order to enrich front-end/mobile development, many developers have introduced a variety of JavaScript based libraries, which can achieve almost any functionality you need, and some libraries can be used to develop ...

Detailed Hadoop core Architecture hdfs+mapreduce+hbase+hive

Through the introduction of the core Distributed File System HDFS, MapReduce processing process of the Hadoop distributed computing platform, as well as the Data Warehouse tool hive and the distributed database HBase, it covers all the technical cores of the Hadoop distributed platform. Through this stage research summary, from the internal mechanism angle detailed analysis, HDFS, MapReduce, Hbase, Hive is how to run, as well as based on the Hadoop Data Warehouse construction and the distributed database interior concrete realization. If there are deficiencies, follow-up and ...

The reason for contrasting hadoop,spark by many Parties

At the moment, http://www.aliyun.com/zixun/aggregation/13383.html ">spark has gained popularity, and a distributed computing approach based on map reduce makes spark similar to Hadoop,   It is more versatile than Hadoop, with more efficient iterations and more fault-tolerant capabilities, and future spark will be a very successful parallel computing framework. "Editor's note" author Mikio Braun is Berlin industrial big ...

[PDF] Getting started with Hadoop developers

Download: Getting Started in the Hadoop Developer Journal January 2010, the "Hadoop developer" was born with the first spring of 2010 years. It is with the dougcutting such a master-level source, it is there are countless for hadoop contributions to the efforts of the open source, only the Hadoop since the birth of much attention to the current high-profile. Hadoop from single http://www.aliyun.com/zixun/aggregation/6575.htm ...

Open source expert Shimen: Domestic COS operating system is "hybrid", not Chinese software dream

Recently, the open source expert, Peking University mathematics professor Shimen successively in CSDN personal blog article, began to expose the domestic COS operating system Some truth, pointed out that Shanghai Lian Tong Company actually does not have the strength http://www.aliyun.com/zixun/aggregation/   18870.html "> Independent research and development of domestic COS operating system, so was wearing the" Laurel "cos operating system can only be regarded as a" hybrid "operating system, can not be counted as the Chinese operating system" dream. " Zhongke ...

Hortonworks to bring Hadoop 2.0 to Windows

"This is the first time that a yarn architecture can run in a Windows environment," says Jim Walker, head of product marketing at Hortonworks. "Running Hadoop on Windows is important to all customers." "Apache Hadoop yarn is the foundation of Hadoop 2.0 released last October." Yarn, as a Hadoop operating system, uses a single data platform for batch processing and transforms it into a multipurpose platform that can be batch-processed, interactive 、...

Hortonworks teamed up with red Hat to build more powerful Hadoop

Today's Hadoop is synonymous with big data, and Cloudera, MAPR and Hortonworks have formed a pillars, Cloudera aim at lucrative big orders, MAPR are committed to developing the next generation of powerful Hadoop, Hortonworks hopes to build on the strengths of open source communities and partners. Recently, Hortonworks and Red Hat together, the Hadoop and OpenStack technology integration, build a more powerful platform, Giga ...

Data security improves Intel deep Hadoop

It is understood that Intel is continuing to build its software toolkit for the large data processing framework for Hadoop open source software, focusing on the security and reliability features required by large enterprises. Intel's Data Platform Toolkit will be available in the next quarter, including free self-help support for the Enterprise version and subscription fee versions.   The premium version provides active security patches, regular enhancements, and real-time technical support functions. Intel competes with companies such as Hortonworks and Cloudera in the commercial Hadoop market. Intel Data Center Software department is responsible for channel, marketing and ...

Microsoft releases Linux Integration Services 3.5 expand open Source Support

Microsoft Hyper-V Project manager Ben Armstrong announced in a blog that they "will expand the distribution support range, including Red Hat Enterprise Linux/centos 5.5 and red Hat Enterprise Linux/centos 5.6. He added that the package "brings people coveted features such as dynamic memory, dynamic virtual machine backup to the old Rhel version." "Linuxhttp://www.aliyun ...

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