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Hierarchical multi-table connection based on two-dimensional node matrix in cloud environment

Hierarchical multi-table connection based on two-dimensional node matrix in cloud environment Tao Yongzai Zhou Mengxue Benji Wei Lin Cao Yunjie with the advent of the "Big Data" era, distributed data processing has been widely used and developed. In cloud computing, the complexity processing requirements are increasing, and data analysis usually needs to cross multiple datasets. Therefore, an efficient multiple-table connection mechanism is urgently needed. The existing multi-table connection mechanism based on MapReduce adopts serial cascade to realize multiple connections of different data sets, and the operation is flexible but inefficient. This article in ...

and see how Mac Mini goes beyond the 1636-node Hadoop

The small Mac mini can compute more than a 1636-node Hadoop cluster, even though it may sound like a myth in some use cases, but Graphchi recently claimed to have done it. To make a long story short, before we look at this feat, we need to understand Graphlab's Graphchi. Graphchi's distributed framework dedicated to small computers Graphchi is designed by computer scientists at Carnegie Mellon University to efficiently scale the framework of large-scale computing on personal computers, much more for social media ...

The first of the electric dealers Mai Lin: From the first debut to the first "curtain call"

In fact, when Macaulay was on the market, the company's revenue from E-commerce had just reached 50% per cent. The halo of "first" always makes people enviable unceasingly. In this height of Matthew's internet industry, only the first, no second rule is to let everyone fight for the first place.   However, many people were amazed when China's e-commerce industry was represented by the so-called "first stock of Chinese manufacturers". In the Macquarie Prospectus, it introduces itself: Macaulay runs China's leading online sales platform for apparel and jewelry (20 ...).

Cloud Applications and Cloud Talent

Column Message: cloud computing has opened the door for us. Enhancing cloud technology, adding cloud applications and highlighting the value of cloud, "China Computer News" and Microsoft (China) Co., Ltd. jointly organized the Windows Server cloud Chuangyi Competition, which lasted more than five months attracted a total of nearly ten thousand players to sign up, 103 teams participated in the enterprise level competition. The official website of the high volume of visits as much as 1.8 million times, the official microblogging interaction reached more than 10,000. Competition for the IT people to understand a cloud, cloud applications, experience the exchange of cloud, interactive, sharing platform. You think, cloud ...

Property market regulates New deal, investors say capital is not under pressure

Property market regulation of the new deal, buyers are diverse, speculation investors said: No pressure, adjust a tune, future more health summary: This 51 holiday, Guangzhou property market turnover plunged nearly 80%. In the face of dismal transcripts, some developers are still in order to take advantage of the location of hard to carry prices, and some developers have slightly clever darkened prices.  In the storm-like regulation, buyers, investors, ants and mortgage slaves have changed their views on the property market. This year 51 holiday, Guangzhou property market turnover plunged nearly 80%. In the face of dismal transcripts, some developers are still in a lot of superiority of the price ...

Will the Cross-border electric power industry continue to grow at a high speed in the future?

"Editor's note" 2013 is a turbulent year of cross-border E-commerce retailing industry, the listing of LAN Pavilion has attracted the world's attention to this is still unfamiliar to most people's field. And more importantly, as national policy becomes clearer, the first time a Cross-border electric trader has the potential to shine from the shadows. Will the Cross-border electric power industry continue to grow at a high speed in the future? A few days ago, cross-border e-commerce industry experts, ebay Greater China CEO Lin to billion power network to explain the current cross-border electric business ecological environment is undergoing profound changes. It is reported that Lin has been invited to participate in the 4 ...

The new venture: You fight the world, we define the world.

Intermediary transaction SEO diagnosis Taobao guest owners buy Cloud host technology Hall was originally considered "unreliable" and "brain residual" of the students, began to embark on the stage of entrepreneurship. For them: Liu's generation is the pursuit of beauty, for the pursuit of beauty money.   And our generation defines what beauty is. Not long ago, Tencent invited several new entrepreneurs to share their entrepreneurial experience.   At that time, the name of a boy wearing slippers on stage, clothes printed on the "I Love Human" four characters. "I was probably the first person to give a speech in a slipper," Yinsan.

05-level Entrepreneurial help! " Eight years of anti-Japanese War "road

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Hall in China's internet in a short span of more than 10 years of history, never a year like 2005: Big events in the hurricane, the future of the group figure is in silence rooting.   58 with the city, where to go, this is from the beginning of the year is expected to go to the United States listed in 2013 two companies, but also many years have not seen the Chinese Internet companies collectively glut to the United States sprint IPO, a kind of negotiable "hurrying". Regardless of model, size or founder background, two companies have ...

Once entrepreneurial paradise Huaqing Jia Yuan "pioneering help" where

2006, a large number of Web2.0 enterprises were born in Huaqing Jiayuan District, Huaqing Jiayuan was a group of entrepreneurs struggling to realize the dream of home, and now, those who have been successful entrepreneurs, now where to develop? "It turns out I remember three dollars more expensive here." "Dog man Net founder Tang sits at five crossings next to the bridge coffee, pointed to the opposite of the Hualian mansion to" entrepreneurial state "said," where the house of a square meter rent has been to 7.5 yuan, Tsinghua Science and Technology Park 6.5 yuan, 7 yuan, you rent a 200 square meters, 1400 yuan a day, one months is 42,000 yuan, building area ...

National Domain name Security Alliance established

March 27, by the Ministry of Industry and Information Technology Communications Security Bureau as a guide, the China Internet Network Information Center (CNNIC) launched the National Domain Name Security Alliance was formally established in Beijing, from the domestic Domain name registration authority and domain name registration service agencies 28 units to become the first Alliance members.   It is understood that after the establishment of the Alliance, the entire domain name run the whole chain of the industry to integrate, the formation of a domain name analysis of security prior to the precautionary and emergency response to the linkage mechanism to enhance the security of national domain names. Challenge: Multi-level, multi-node, decentralized domain name anti-attack needs "joint operations" ...

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