Craigslist Database

According to foreign media reports, Craigslist, the world's largest classified information website, is using the MongoDB database to archive data, which used to be a MySQL database cluster. This is perhaps the largest web site to use NoSQL data storage. The following is a mongodb cluster of Craigslist, a software engineer from the site Zawodny: We are measuring the space to install about 5 billion documents, import from the original 2 billion documents, and add the space needed for the next few years. The average size of one document is 2KB ...

Open source data is divided into two factions, NoSQL enthusiasts like to publish a lengthy criticism of relational database limitations, MySQL enthusiasts stubbornly defend the health relational database-insist that the data neatly stored in the table. 　　You'd think the two sides would never get along, but in fact, tens of thousands of companies have been trying to combine relational and relational databases, and have tried it many years ago. But the development of new technologies is often antithetical to the technology of the past. When NoSQL developed, the name of the light sounded like ...

The intermediary transaction SEO diagnoses Taobao guest stationmaster buys cloud host technology Hall with China Yahoo officially launches the Yahoo word of mouth life service new platform, 58 with the city and the first Chinese tourism search engine "where" formal strategic cooperation, "Customer gathered" officially renamed "Bai", China classified information industry after years of silence, 　　Seems to usher in the outbreak of industry development, the real face also began to appear gradually. Now Alive classified Information Web site there are two kinds of fate, one is alive, but from the signs of life, just barely struggling;

Intermediary transaction SEO troubleshooting Taobao guest Cloud mainframe technology hall for Internet entrepreneurship, the U.S. venture capital agency Y Combinator partner, a well-known angel investor Paul Graham, for the first time revealed that Y Combinator is willing to invest in the 30 major network entrepreneurial ideas. His views may represent a general view of Silicon Valley's venture-investment institutions. 　　Hope to enlighten you. No.1 the way to resolve copyright disputes the music copyright lawsuit brought by Sony and Universal not only to the development of file-sharing software ...

Big data has grown rapidly in all walks of life, and many organizations have been forced to look for new and creative ways to manage and control such a large amount of data, not only to manage and control data, but to analyze and tap the value to facilitate business development. Looking at big data, there have been a lot of disruptive technologies in the past few years, such as Hadoop, Mongdb, Spark, Impala, etc., and understanding these cutting-edge technologies will also help you better grasp the trend of large data development. It is true that in order to understand something, one must first understand the person concerned with the thing. So, ...

Big data has grown rapidly in all walks of life, and many organizations have been forced to look for new and creative ways to manage and control such a large amount of data, not only to manage and control data, but to analyze and tap the value to facilitate business development. Looking at big data, there have been a lot of disruptive technologies in the past few years, such as Hadoop, Mongdb, Spark, Impala, etc., and understanding these cutting-edge technologies will also help you better grasp the trend of large data development. It is true that in order to understand something, one must first understand the person concerned with the thing. So, ...

A few months ago Hugh MacLeod's blog article, "The Amazing Secrets of cloud computing", caused a discussion. Hugh thinks: Cloud computing can lead to super monopoly. A few weeks ago Larry Ellison the opposite view, saying that Salesforce.com is hard to make a profit and that no one is making too much money on cloud computing. In this article I will explain why Ellison is right, and why Ellison is dangerous in terms of Oracle Company's future strategy. First look at Hugh Macleod ...

This article for the submission from Tristan, is a translation of the article, the article is relatively long, but if you have a website or blog, many methods are still worth learning. Traffic is the currency in the network. The larger the site traffic, the easier it is to reach the target: make money, spread ideas, interact with others, or whatever. That's why I'm writing this article on 100 ways to improve web traffic. Just use some (or most) of the following methods to make sure your traffic increases dramatically. Blog 1. Add blogs to your site. If...

Lead: All roads lead to Rome, must be on the bridge on the success or failure, it is not trouble? The U.S. technology blog site BusinessInsider Tuesday on the selection of 20 entrepreneurs should be away from the entrepreneurial trend, check-in, mobile payment and photo sharing list. 1. Photo-sharing startups that have dabbled in the field: Instagram, PIICTU, Pinterest, sincerely and pictour.us should be away from the cause of the field: Instagram has established a mature model, on-line head 1 ...

As global corporate and personal data explode, data itself is replacing software and hardware as the next big "oil field" driving the information technology industry and the global economy. Compared with the fault-type information technology revolution such as PC and Web, the biggest difference of large data is that it is a revolution driven by "open source software". From giants such as IBM and Oracle to big data start-ups, the combination of open source software and big data has produced astonishing industrial subversion, and even VMware's past reliance on proprietary software has embraced big Open-source data ...