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Original: Guan Changlong   We have introduced six common segmentation algorithms of DBLE and MyCat through the previous six articles, so let's make a summary! DBLE and MyCat corresponding algorithm name and similarities and differences The seventh DBLE fragmentation algorithm jumpStringHash In addition to the above six common sharding ...

What is it? One kind of database connection pool, manages and releases the connection of database, realizes the reuse of connection, and can compare thread pool. Parameter configuration What can we do? 1, Connection Pool 2, Monitoring 3, Encryption 4, Extending JDBC How do you use it? Adding ...

Replication, replication is a highly available foundation, and the underlying layers of middleware such as MHA, mycat all rely on replication principles Master master master instance slave Slave slave Classification: default asynchronous replication, semi-synchronous replication after version 5.5, new GTID replication at version 5.6, multi-sour ...

The premise of this article is: mycat is configured correctly and starts normally. 1,schema.xml <table>label: DataNode -- Slice node specifies (value: name attribute value in dataNode) Rule ------- Fragmentation rule selection (value: name attribute value in rule tag) [root@dras-test conf]# vim schema.xml 1 <?xml version ...

(iv) Focus on Wechat Public Number: [Taro Back-end Cabin] Welfare: RocketMQ/MyCAT/Sharing-JDBC All Source Analysis Articles List RocketMQ/MyCAT/Sharing-JDBC Chinese Annotation Source GitHub Address Every message you leave about the source code will be answered carefully. Even if you don't know how to read the source code, you can ask. New so ...

Inheritance is the pattern of code reuse. JavaScript can simulate class-based patterns and support other more expressive patterns. But keeping it simple is usually the best strategy. JavaScript is a prototype-based language, that is, it can inherit other objects directly. 1 pseudo class The prototype of JavaScript is not to inherit objects dire ...

ABSTRACT: Origin http://www.iocoder.cn/Eureka/instance-registry-evict/ "Taro Source Code" Welcome to reprint, keep the abstract, thank you! This paper is mainly based on Eureka 1.8.X version. 1. overview 2. Why do we need to expire? 3. EvictionTask 4. Outdated Logic 666. eggs (iv) Concern ** Wechat Public Number: [Taro Source Cod ...

From: http://blog.csdn.net/u011325787/article/details/51423424 mycat is a distribution invented by a popular Chinese recently data base Middleware, which is developed on the basis of Ali's cobar We need to configure it before we build it. MySQL Master-slave duplication, this process is very long, I do not write here, interested can see this ...