Mongodb How To

Absrtact: Eric Rise, a Silicon Valley entrepreneur, puts forward the idea of lean Entrepreneurship (Lean startup) in his book "Lean Entrepreneurship", whose core idea is to make a simple prototype to minimize a viable product (Minimum viable product, MVP) when developing a product. Eric Rise, an entrepreneur in Silicon Valley, in his book Lean Entrepreneurship, put forward the concept of "lean Entrepreneurship" (Lean startup), the core idea is that the development of products first to make a simple ...

Not long ago, I wrote some articles about how my company went into the cloud storage. Specifically, we are mainly taking SaaS (software as a service) path. This is my solution to the problem of "Shoemaker's children have no shoes to wear". Although we are leading many people to quickly enter the cloud storage and large data era, we still ignore the use of their own equipment. This has led to many problems with cloud storage. 1. Backup unless you have two remote data centers or Dr Centers, and make sure nothing happens at the same time in two centers. Only the traditional "it ...

I have not written a blog for almost a year, it must be an excuse to say that there is no time, but the only reason is that when I get older, I find myself superficial. And some of their ideas have not been waiting to write, found that the original is very naïve, so dare not send to laughable. However, this time I would like to tell you a little story: once there were three cock silk, they gather together to do the network, they provide free network services, and even zaguomaitie, all night, in addition to selling kidney they have done. And in 3 years, they finally did 5 million users, I think for young people, can put 5 million ...

"Tenkine Server channel June 18 News" Recently, large data maker Http://www.aliyun.com/zixun/aggregation/13456.html ">cloudera acquired large data encryption professional manufacturer Gazzang. And less than one months ago, Cloudera's rival, Hortonworks, had just acquired the security start-ups XA secure. This may herald a growing number of customers will be the Hadoop department ...

Foreign media recently published an article that 37 years, Ellison (Larry Ellison) is called the Enterprise Reengineering Master, lead Oracle to walk through a technical change. But now, the global database giant he created is facing unprecedented challenges, and Mr. Ellison's outgoing CEO will only exacerbate the central question about the company's future: Can Oracle overcome the structural shift in the industry that has reshaped markets in recent years? Ellison was handed over to two co-CEO Hurd (Mark Hurd) and Savera Car ...

In January, all the common top-level domains (. com/.net/.org, etc.) in mainland China were resolved, and all related domain names were directed to an IP address (65.49.2.178) located in the United States, resulting in tens of millions of of Internet users being unable to access the site within hours. April, OpenSSL "Heart Bleed (Heartbleed)" significant security vulnerabilities were exposed, which allowed hackers to read the server system's running memory. There are people in the industry to use this loophole in a well-known electric website test, successful access to a number of users of the account and password, and successfully published ...

"Editor's note" LinkedIn Tuesday announced open source its large data computing engine Cubert, its name is derived from the Rubik ' cube, in order to make it easier for developers to use Cubert without any form of custom coding, LinkedIn has developed a new programming language for this Cubert Script. LinkedIn in Tuesday announced open source its large data computing engine Cubert, a framework that uses a special algorithm to organize data so that it does not have a hyper-system load and waves ...

December 2014 12-14th, hosted by the China Computer Society (CCF), CCF large data Expert committee, the Chinese Academy of Sciences and CSDN co-organizer of the 2014 China Large Data Technology conference (DA data Marvell Conference 2014,BDTC 2014 will be opened at Crowne Plaza Hotel, New Yunnan, Beijing. The three-day conference aims to promote the development of large data technology in the industry, and to set up "large data Infrastructure" and "large data ..."

December 2014 12-14th, hosted by the China Computer Society (CCF), CCF large data Expert committee, the Chinese Academy of Sciences and CSDN co-organizer of the 2014 China Large Data Technology conference (DA data Marvell Conference 2014,BDTC 2014 will be opened at Crowne Plaza Hotel, New Yunnan, Beijing. The three-day conference aims to promote the development of large data technology in the industry, and to set up "large data Infrastructure" and "large data ..."

HP January 11, 2013 announced the launch of the industry's first dedicated server for large data, designed to help customers explore new business opportunities and save up to $1 million in three years. With the advent of large data software and its benefits, many organizations have tried to deploy these solutions on existing architectures, and the architecture is not designed for the specific requirements of large data workloads. So, from a performance and cost standpoint, these early deployments didn't work out the best. Dan Vesset, vice president of IDC Business Analytics, said: "Hado ...

With the development of cloud computing technology, PAAs (platform service) is becoming more and more popular with developers, and PAAs suppliers are springing up. PAAs actually refers to the platform of Software development as a service and provides to the user. The user or enterprise can quickly develop the applications and products they need based on the PAAs platform. At the same time, the application of PAAs platform development can better build enterprise application based on SOA architecture. PAAs as a complete development service, providing from development tools, middleware, to database software developers to build applications ...

"Guide" Xu Hanbin has been in Alibaba and Tencent engaged in more than 4 years of technical research and development work, responsible for the daily request over billion web system upgrades and refactoring, at present in Xiaoman technology entrepreneurship, engaged in SaaS service technology construction. The electric dealer's second kill and buys, to us, is not a strange thing. However, from a technical standpoint, this is a great test for the web system. When a web system receives tens or even more requests in a second, system optimization and stability are critical. This time we will focus on the second kill and snapping of the technology implementation and ...

"Editor's note" OpenStack Paris summit just ended, some participants feel is: the manufacturers look at each other, not many users. Also some people are asking: OpenStack in the end rely on not reliable, have got the case of shot? In this article, Unitedstack founder and CEO Chenghui in the Paris summit, the OpenStack Ecological circle of commercial companies in the inventory. Chenghui said: "OpenStack has been too high expectations of the peak, is experiencing a bubble in the bottom of the valley, for startups, this is the hardest time, this is the most ...

The Docker has been in use for more than a year and has been installed on both local Linux systems and cloud platforms. At that time learned a lot about managing mirroring, the flexibility to create mirrors for any platform, learn to write some of your own programs that are not relevant to Docker. I've tried to summarize my experience to the following five points, providing references for those who just started using Docker. When making a mirror you need to be particularly clear I try to run my application without the root user. Most Linux distributions have one advantage: when you install a service, the operating system ...

"Editor's note" Shopify is a provider of online shop solutions company, the number of shops currently serving more than 100,000 (Tesla is also its users). The main frame of the website is Ruby on rails,1700 kernel and 6TB RAM, which can respond to 8,000 user requests per second. In order to expand and manage the business more easily, Shopify began to use Docker and CoreOS technology, Shopify software engineer Graeme Johnson will write a series of articles to share their experience, this article is the department ...

"Editor's note" WiX has been operating the site for a long time, and after the launch of the WYSIWYG web platform based on HTML5, users have established more than 54 million sites in the company, and most of these sites have less than 100 solar PV. Since the PV of each page is low, the traditional caching strategy does not apply. Even so, however, the company has done so with only 4 Web servers. Recently, WiX chief back-end engineer Aviran Mordo in "...

From April 26 to April 27, 2013, at the Renaissance Beijing Capital Hotel, the 2013 Big Data Global Technology Summit, hosted by the 51TTO Media Group's WOT (World Of Tech) brand, was held. The summit mainly focuses on the big data infrastructure and the ecosystem of upper-level applications to solve the problems caused by large-scale data, explore solutions to big data-based solutions, and stimulate the competitiveness brought by data mining so that the data has its own opinion. 2013 Big Data Global Technology Summit Topics Google US Senior Architect ...

Wired magazine recently published an article named Clint Finley (Klint Finley) explaining how Apple "killed" the Linux desktop. The article points out that the real reason for Linux failure is that developers are turning to OS X, and the reason for this is that the toolkit used to develop Linux applications is not doing well enough to ensure backwards compatibility between different versions of the application Interface (API). More importantly, developers are turning to the web for development work. The following is the full text of this article: it is difficult to ...

"Editor's note" as one of the largest dating sites in the United States eharmony through personality tests to match marriage, all eharmony users, must first answer by the psychologist carefully designed hundreds of questions, eharmony to understand the user's personality of the dozens of dimensions, And based on this to the user to introduce appropriate contact object. With the development of technology such as OpenStack, Hadoop, Spark, Docker, CTO Thod Nguyen says they are embracing these technologies actively. ...

"Editor's note" Docker has changed many things in the field of application development and has become one of the most popular open source projects, and fundamentally changed the way people build applications. Docker is changing cloud development practices, allowing anyone to leverage the best practices of the packaged community in the form of other containers, like the Lego toys of cloud components. Docker is like a forest fire, and the new Linux container technology has ignited everything around it in its own way, and many of us are struggling to keep up with the speed at which it spreads. Docke ...