Mongodb How To

On the face of it, looking for the wisdom of big data on Twitter seems like an ironic suggestion. 　　In fact, most ordinary consumers and business users use Twitter as a platform for data generation, and the information provided will be used as a source of analysis rather than as a guide to analyzing the solution. Twitter does, however, carry a huge amount of valuable data expertise--provided we know where to find them. Like other social platforms, Twitter is sometimes as noisy as it has no real value. If you add "large number ...

The http://www.aliyun.com/zixun/aggregation/3783.html > Harvard Business Review spent all of its September editions on Big Data, and focused on Hadoop. 　　The paper argues that large data scientists will become promising careers, and these big data scientists will also be experts advising companies on how to use large data technologies. Like many of the people who started startups and led the company, I often read the Harvard Business Review. I didn't ...

Abiquo is a framework that helps users build, manage, and scale complex calculations. Specific forms of open source cloud computing products are mainly three categories, the corresponding products are abiCloud, abiData, abiNtense and so on. All three of these products can be used to structure and develop the infrastructure for public-private, hybrid, and cloud applications. abiCloud is open source cloud management software that creates management resources and scales as needed. abiNtense is a Grid-like architecture designed to reduce the number of high-performance meters.

The traditional IDC room Deployment architecture translation on the cloud solution, the advantage of the structure is relatively simple, in line with the experience of most developers, without the original architecture to make too many changes, you can quickly migrate to the cloud. Its disadvantage is the high coupling of various functions, not conducive to elastic expansion, not fully application of cloud computing advantages, later maintenance workload. Game traditional deployment architecture to interpret the security protection GB-level anti-DDoS cleaning service, users can open the 7-layer cleaning service to protect against CC attacks. Can also selectively open the free intrusion prevention and web site application Security monitoring services. CPU, Memory ...

The 2012 San Francisco Disrupt Congress brought the upstart-foundationdb of the NoSQL database, some of which feature as the basic attributes of the SQL database since the 1970s. They say this is a new type of database that extends infinitely more than most NoSQL databases on the market. Foundationdb not only inherited the advantages of NoSQL, but also integrated their so-called "yesacid" characteristics. FOUNDATIONDB executives believe their databases are scalable and fault-tolerant ...

Syslog-ng is a syslog replacement tool for UNIX systems. Supports http://www.aliyun.com/zixun/aggregation/9485.html ">ipv6, capable of transmitting encrypted log information using TCP and SSL, and universal regular expressions to better filter the content of information, Can completely replace the services of syslog. Can handle RFC3164 and RFC5424-style messages, as well as the format of BSD process logs. ...

DataNucleus Access Platform is a Java component that provides Java data persistence and management platforms, data, and service interfaces for JDO, JPA, and the web. DataNucleus Access Platform is a compatible standard Java data Persistence Framework, fully compatible with JDO1, JDO2, JDO2.1, JDO2.2, JDO2.3, and JPA1 Java standards. Provides an RES based ...

"IT168" I have always felt that nosql in fact very easy to understand, I have also had a very in-depth study of NoSQL, but in the recent preparation of yuntable chart, found that NoSQL not only very profound, 　　And my personal understanding of NoSQL is only superficial, but I am still a "shame and then Yong" people, so after a period of study, from the sixth part of this series, will talk to you nosql, and this article will be the main to do a NoSQL database review. ...

In a series of articles on large data proposals, IDG Group PC reporter Joab Jackson wrote "Big data, CIO should know five things" I think is definitely the best one. His five tips are almost always mentioned in our conversations with our customers: 1. The cost of getting started with large data is relatively low. We now see http://www.aliyun.com/zixun/aggregation/14294.html "> Large data ...

Would you like to run the database server on the IaaS cloud? Or should it be converted to a PAAs selection? The choice of a database as a service may sound tempting, such as Cloudant's nosql but how to weigh it? Developers and application designers have a lot of options for deploying databases in the cloud, and it's hard to make the best decisions. Regardless of which cloud database you choose, you need to measure a variety of factors, including cost, availability, scalability, and performance support. The current code may be difficult to select from the platform, the Service (PaaS) database, or even the relational database ...

Cassandra Introduction Chang Li Ming Jian Cassandra is a mixed relational database, similar to Google's bigtable. Its main function is richer than the dynamo (distributed Key-value storage System), but the support degree is inferior to the document storage MongoDB (the open source product between the relational database and the non relational database, the relational database has the richest function, most resembles the relational database. Cassandra Introduction

Hadoop vendor Cloudera has just acquired a start-up Gazzang that specializes in cryptography for next-generation data storage environments, but details of the deal are not disclosed. This is Cloudera's first major acquisition. Gazzang was founded in 2010 and headquartered in Austin. Gazzang provides block-level encryption, which includes a data encryption product and access rights Management product in the Hadoop environment. The latter can control access to data access authorization protocols such as key values, tokens, and so on. For the blog to become the Enterprise data Center ...

Michael Stonebraker is a pioneer in the field of databases. His deep expertise has also helped to develop some of the most popular database systems such as Postgres, Ingres and Vertica. One of his most recent studies is VoltDB, a memory-based OLTP (Online Transaction Processing) system, which he claims is two orders of magnitude faster than traditional solutions. However, Stonebraker's opinion has been controversial over the years, on the one hand being ...

The same essential tool in general software development is the code editor. Traditional code editors are generally installed in the form of software installation package to the computer, the code is compiled and saved to the server through ftp or svn and other tools (of course, such as NET development in Microsoft Visual Studio such a powerful integration Tools say another.). In the actual project development in such a way is also very convenient. However, with the rise of various cloud services, ...

REVIEW: With open source programming tools, you can easily learn, modify, and improve the quality of your code based on open source licenses. This article collected 11 of the most popular and valuable open source programming tools. May give you a little surprise. Let's see it together NO.1 Rhomobile Rhodes Ruby may be the second most popular language on Github, if you want to use it to develop the iPhone may not be for you ...

Some financial analysts questioned Teradata's ability to continue its growth in the IT market. While this segment of customers does put Hadoop on the agenda, customers often choose to give up only if data warehouse vendors with decades of experience find it difficult. "What's more important is to get rid of the misunderstanding of speculation rather than make a compromise at the level of reality," Scott Gnau, president of Teradata Labs, pointed out in a recent interview - the focus of this interview was to explore open source Hadoop from a historical perspective ...

Red Hat (RHT) has updated its open source programming language and development tools, the well-known Red Hat software collection, currently available in beta 1.1. This development kit (released separately) complements its flagship product, Red Hat Enterprise Linux (RHEL). Red Hat Software Collection Released Fall 2013, http://www.aliyun.com/zixun/aggregation/8437.html "> The target groups are those who want to deploy the latest stable release with a single source ...

Who would say IT companies now boring? Great thinking and bold new directions in technology are changing everything with unprecedented initiative, and it is time to consider the long-term implications. The exciting 2013 is not over, but I can not wait to share my feelings about so many emerging trends. For this reason, I have prepared such a forward-looking outlook for the coming year. I originally thought I would make the predictive conclusion as the main content, but at this historic moment of this year, many trends have begun to brew and initially bear fruit ...

Cloud Foundry is an open source platform or service that provides developers with the freedom to choose the cloud platform, development framework, and application services. Initially launched by VMware, Cloud Foundry has received widespread industry attention and support, enabling developers to more quickly and easily develop, test, deploy, and scale their applications. Cloud Foundry is a brand new open source project that allows users to use multiple versions of private cloud as well as public cloud services including CloudFoundr.

Justin.tv,youtube's threat, through 30 million independent visits per month, 30 hours a day to add video, and YouTube only 23, so in the game video upload area after losing YouTube, The following platform from the Justin.tv real-time video system, their architectural details, from what they should learn from a number of aspects for everyone to explain. First from the use of the platform began to say: twice--Agent service system, mainly in the application of buffer optimization ...