Sharding A Database

Replica sets+http://www.aliyun.com/zixun/aggregation/14273.html ">sharding architecture is as follows: 1,shard server: Using Replica Sets ensures that each data node has the ability to backup, automatic fault-tolerant transfer, and automatic recovery. 2, configure the server: Use 3 configuration servers to ensure metadata integrity 3, routing process: Use 3 routing processes to achieve balance, improve client access ...

The concept of blockchain to technology has been around for a long time, but with the heat of the past two years, it has gradually become known by the market and many technicians.

India's unique identification project (also known as the Aadhar Plan), which recently completed the collection of demographic and biometric data, is currently the largest of its kind in the world. The project, which has been in operation for several years, has been subject to conflicting voices from all sides, from privacy and security to other sources. At the same time, the latest developments in the Aadhar project have raised concerns about its methods of capturing, storing, and managing data, especially an American start-up company, Mongo ...

Every year, the e-commerce double 11 singles day promotion is a big test for Alibaba technicians, especially for the Alibaba database team.

As the most popular open source database, MySQL is widely used in Web applications and other small and medium-sized projects. However, in many large IT companies, MySQL has gradually deviated from the original open source version after being highly optimized and customized, more like a branch, such as the Webscalesql of Facebook, which was not long ago open source. 　　Recently, Mr. Xiong has published a blog post, from the perspective of large-scale web site architecture development of the changes in MySQL application, here for you to share. This article mainly describes the different and ...

MongoDB is a database based on distributed file storage. Written by the C + + language. Designed to provide scalable, high-performance data storage solutions for Web applications. Products between relational and non relational databases are among the most functionally rich and most like relational databases in relational databases. The data structure he supports is very loose and is a JSON-like Bjson format, so you can store more complex data types. MONGO the most characteristic is that he supports the query language is very powerful, its syntax is somewhat similar to the object-oriented query language, can almost actually ...

India's unique identification project (also known as the Aadhar Plan), which completed the collection of demographic and biometric data earlier this week, was more than 500 million Indians-the largest of its kind in the world today. The implementation of the project has been accompanied by conflicting voices from privacy and security as well as other aspects. The latest developments in the Aadhar project have raised concerns about its methods of capturing, storing, and managing data, especially an American start-up company ...

India's unique identification project (also known as the Aadhar Plan), which completed the collection of demographic and biometric data earlier this week, was more than 500 million Indians-the largest of its kind in the world today. The implementation of the project has been accompanied by conflicting voices from privacy and security as well as other aspects. The latest developments in the Aadhar project have raised concerns about its methods of capturing, storing, and managing data, especially an American start-up company ...

Type selection and design of bigtable NoSQL database release time: 2012.04.16 14:20 Source: Blog Author: Blog This paper introduces the selection strategy and schema design principle of Bigtable/hbase type NoSQL database system. Data scale BigTable Class database system (Hbase,cassandra, etc.) is to solve ...

MongoDB is currently the best document-oriented free Open-source NoSQL database. If you are preparing to participate in a technical interview for the MongoDB NoSQL database, you might want to look at the following MongoDB NoSQL interview questions and answers. These MongoDB NoSQL interview questions cover the basic concepts of NoSQL databases, replication (Replication), fragmentation (Sharding), Transactions and locks, trace analysis Tools (Profiler), nuances, and logging features. Let's look at the following ...