Mongodb Apps

In our daily life, we are inseparable from the application of position recognition class. Apps like Foursquare and Facebook help us share our current location (or the sights we're visiting) with our family and friends. Apps like Google Local help us find out what services or businesses we need around our current location. So, if we need to find a café that's closest to us, we can get a quick suggestion via Google Local and start right away. This not only greatly facilitates the daily life, ...

While technology like http://www.aliyun.com/zixun/aggregation/13461.html ">mongodb,mapreduce" is seen as a hallmark of innovation, companies rely on sophisticated technologies such as SQL. 　　Mining important business models from these data becomes very difficult when the enterprise needs to collect more data formats, especially when new formats are not supported by SQL. When faced with such a problem, the market ...

Http://www.aliyun.com/zixun/aggregation/13461.html ">mongodb also has many areas to improve, such as global write locks (now just a database-level write lock). 　　This article focuses on how to scale to cope with large data, where the volume of large data is 100GB. It will be more meaningful when you look at the implementation of the underlying storage. Basically, MongoDB consists of a bunch of Bson document MMAP (Memory-mapped) lists, which ...

VMware suddenly released its first open source Paas--cloudfoundry this April. In the months since its release, the author has been concerned about its evolution and benefited from its architectural design, and felt the need to write to share it with you. This article will be divided into two parts: the first part mainly introduces the architecture design of Cloudfoundry, from the module that it contains, to the information flow of each part, how the modules coordinate and cooperate; The second part will be based on the first part, how to use Clou in your data center ...

With the development of data services and NoSQL databases, Web applications increasingly need NoSQL databases, and now it seems that NoSQL databases have a tendency to break traditional relational databases. In December last year, couchbase a http://www.aliyun.com/zixun/aggregation/32268.html "> survey showed that many companies are ready to adopt NoSQL technology over the next year." But why did they deploy NoSQL? Why they give up ...

Recently, Clay.io's Zoli Kahan began writing "10X" series of posts. Through this series of posts, Zoli will share how to use only a small team to support Clay.io's large-scale applications. The first share is an inventory of the technology used by Clay.io. CloudFlare CloudFlare is primarily responsible for supporting DNS and as a buffer proxy for DDoS attacks while cloud ...

There are significant differences in performance, complexity, and speed between Amazon and Windows Azure,iaas cloud. The information on the cloud is always quite simple: hand over your worries, IT managers and we will help you solve everything. Forget to install the server and the engine backup that needs to be double-clicked, and don't worry about thousands of things going wrong. Just give us your credit card number and your data and we can do everything for you. In the past few months, I have been living in a dream, where I built a huge computer king across the world ...

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Aliyun, Sheng, Sina Cloud, Huawei Cloud, Baidu Cloud, with the development of the domestic cloud service industry, the continuous improvement of the industrial chain to the technical requirements are higher and high. In particular, the user's demand for cloud services is increasingly stringent. As for what technologies are the key to cloud computing, what are the common cloud development frameworks and tools? Let's count dozens of of them first. @ Tan Lin _hootch on his microblog, Cloudcamp founder Dave Nielsen faces the industry's development, analyzing the cloud services industry's 10 most needed job skills. Yesterday...

In recent years, with the continuous development of cloud computing, attracting more and more staff to invest in it, then, what is the most needed cloud computing platform is the job skills? Let's take a look at the following. Cloud computing platform The most needed 10 kinds of job skills Aliyun, Sheng, Sina Cloud, Huawei Cloud, Baidu Cloud, with the development of the domestic cloud service industry, constantly improve the technology requirements of the industrial chain more and more high. In particular, the user's demand for cloud services is increasingly stringent. As for what technologies are the key to cloud computing, what are the common cloud development frameworks and tools? Let's count dozens of first.