In Memory Open Source Database

As a software developer or DBA, one of the essential tasks is to deal with databases, such as MS SQL Server, MySQL, Oracle, PostgreSQL, MongoDB, and so on. As we all know, MySQL is currently the most widely used and the best free open source database, in addition, there are some you do not know or useless but excellent open source database, such as PostgreSQL, MongoDB, HBase, Cassandra, Couchba ...

Naresh Kumar is a software engineer and enthusiastic blogger, passionate and interested in programming and new things. 　　Recently, Naresh wrote a blog, the open source world's two most common database MySQL and PostgreSQL characteristics of the detailed analysis and comparison. If you're going to choose a free, open source database for your project, you may be hesitant between MySQL and PostgreSQL. MySQL and PostgreSQL are free, open source, powerful, and feature-rich databases ...

Naresh Kumar, a software engineer and enthusiastic blogger, has great interest in programming and new things, and is happy to share technical research results with other developers and programmers. 　　Recently, Naresh wrote about 12 well-known free, open source NoSQL databases, and analyzed the characteristics of these databases. Now that the NoSQL database is becoming more and more popular, I'm here to summarize some of the great, free and open source NoSQL databases. In these databases, MongoDB the top, with considerable ...

With the rise of internet web2.0 websites, the relational database has become a very hot new field, the development of the non relational database products is very rapid. 　　But the traditional relational database in dealing with web2.0 website, especially the super large-scale and high concurrent SNS type web2.0 pure dynamic website already appeared to be powerless, has exposed many insurmountable problems, for example: 1, high configured--to the database higher concurrent reads and writes the demand WEB2.0 website to be based on user personalized information to generate real-time dynamic ...

In the absence of a breakthrough in desktop Linux, the steady growth of Linux in the server market has made it more of an enterprise-class application business card. However, with Linux's breakthrough in the field of mobile computing, mobile office has a new interpretation of the concept of Linux enterprise-class applications.　　In addition, the development of WEB 2.0 and cloud computing has brought new development opportunities and challenges to open source. The virtualization giant VMware, a firm leader in Mobile, has recently joined the Open-source organization Li ...

This Thursday http://www.aliyun.com/zixun/aggregation/1560.html ">facebook announces open source its embedded database Rocksdb (an embedded Key-value storage system), 　　The database can take full advantage of the performance of Flash, greatly improve the speed of application server. Facebook uses ROCKSDB to drive a number of user-oriented applications that are poorly performing because of the need to access external storage over the network ...

"Editor's note" ebay opens up a database technology called Kylin, and ebay shared many of the details of Kylin on a Wednesday blog, providing SQL interfaces and OLAP interfaces based on Hadoop, supporting terabytes to petabytes of data, Kylin is designed to reduce the query latency of Hadoop at more than 1 billion rows of data levels. All this shows that ebay has made good progress in using Hadoop technology. Below: Online auction website ...

When it comes to big data, many people first think of internet companies, such as Google, Baidu and Alibaba. Internet companies in the large data analysis has indeed walked in the forefront of the industry, its aura also obscured the industry's big data shine. IDC defines big data with "4 V": volume represents greater capacity, produced represents a variety of data, velocity represents faster processing speed, and value means that large data can create more value. Tianjin Nanda General Data Technology Co., Ltd. (hereinafter referred to as the General) chief technical Officer Vounie said, such as ...

Introduction with the advent of the cloud computing era, various types of Internet applications are emerging, the relevant data model, distributed architecture, data storage and other database related technical indicators also put forward new requirements. Although the traditional relational database has occupied the unshakable position in the data storage, but because of its inherent limitation, has been unable to satisfy the cloud computing age to the data expansion, reads and writes the speed, the support capacity as well as the construction and the operation cost request. The era of cloud computing has put forward a new demand for database technology, which is mainly manifested in the following aspects. Mass data processing: to ...

After more than eight years of practice, from Taobao's collection business to today to support all of Alipay's core business, and in the annual "Double Eleven Singles Day" continue to create a world record for the transaction database peak processing capacity.