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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 ...

Since the end of March this year, Sina Weibo has released two iconic signals: 1 Sina uses its own search engine technology instead of Google search; 2 Sina Weibo enables weibo.com domain names. 　　These two actions appear to have no direct connection to the surface, but in essence, search will become an indispensable support technology for the future development of Weibo. First, micro-blog bo Bo The Battle of the end will be with the portal, search, and even social networking sites and other areas of competition, is the user to use the Internet "portal" competition, and as users of the "entrance", ...

Under the Internet sky, everyone is talking about the cloud. Clouds are not in the air, clouds are in the world of data, software, and services. In that world, what we ask for is centered on us, omnipresent and ubiquitous, distant and near, not possessed and everything. According to the Economist, humans are on the eve of the third industrial Revolution. Its core content is cloud computing, 3D printing, industrial robot, network collaboration production service. Mobile Internet and intelligent terminals provide a prerequisite for the advent of the cloud era, software development and application services for the cloud era of maturity ...

This article is my second time reading Hadoop 0.20.2 notes, encountered many problems in the reading process, and ultimately through a variety of ways to solve most of the. 　　Hadoop the whole system is well designed, the source code is worth learning distributed students read, will be all notes one by one post, hope to facilitate reading Hadoop source code, less detours. 1 serialization core Technology The objectwritable in 0.20.2 version Hadoop supports the following types of data format serialization: Data type examples say ...

The intermediary transaction SEO diagnoses Taobao guest cloud host technology Hall pulls the hook net although still is the traditional recruitment website structure, but in the product on the "micro-innovation", so that products more in line with the characteristics of the Internet people, truly meet the needs of users; At the same time, using the Internet circle of SNS platform also wired cafes, word-of-mouth dissemination and sharing 　　, the rolling demand of users is more and more, it is the mode of information interaction and fan group marketing. At the beginning of this year, the social marketing company of Black Horse was about to recruit two interns for new media editors. At that time, I arranged for ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology lobby A5 source code to do a good job source code download, focus on serving the Chinese webmaster, for a large number of source enthusiasts to provide convenience. 　　February mainly for community forums, blog microblogging, Enterprise construction Station, CMS, shop Mall and other categories for you to clean up the source code update dynamic; What's the following to see what good source code has been updated, what new features have been added, what functions have been optimized, what bugs are fixed ... Community Forum Source Thinksaas is a lightweight open source ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall a person to do the station also nearly a year of time, and year-end, suddenly have to do the process of the station to write out the desire, 　　Share the process of doing the station, is a communication bar! Now think about it, why do you have the impulse to do this site? Now want to have such a few points, first, the wife said you do things always 3 days ...

As a software engineer, the past few years have been dedicated to web development. In innovative companies, speed saves time, money, and money to ask more engineers to make the whole development faster. The school does not teach many "software engineering" methods, or how to be a good programmer. These things do not exist in the Taiwan industry, we are doing side touch, learn from experience. I've learned a lot from books and the internet about ways to make the team more productive, because I believe that I have to do this in the new team, with the industry's recognition that it's fast ...

The IT departments of the following four enterprises upgraded their legacy systems for different reasons, but the business component involved was the key to upgrading. Legacy applications in the enterprise have always been the most vexing problem in the IT department. If the "push back" approach is used to deal with these legacy applications, the costs will be very high, and it will be difficult to justify the investment, while also easily leading to business disruption. In addition, a number of legacy software is still used in the accounting general ledger, and is also favored by the sales department. However, these legacy applications can also lead to poor network performance across the enterprise. Apart from...

Open source Hotspot Inventory 1984, Richard Stallman launched GNU and Free Softwarefoundation, which has been open source for more than 28 years. From the bottom of the operating system to advanced desktop applications, there are open source footprint. Linux, which is especially open source operating system, is a controversial issue and is subject to many commercial attacks. 　　Many people like to put open source and business together, to accuse Open source is how "irregular", "energy consumption", "instability" and so on, especially Microsoft. Talk about ...