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Introduction to Alibaba canal and its deployment, principle and use Introduction to canal What is canal Alibaba B2B company, because of the characteristics of its business, sellers are mainly concentrated in China and buyers are mainly concentrated in foreign countries, so it has derived the demand for remote computer rooms in Hangzhou and t ...

The protocol module mainly defines the communication protocol between client and server. The data transmission of canal consists of two parts. One part is to convert binlog into the Message defined by us during binlog subscription, and the other part is the TCP protocol for transmission between client and server. These two parts adopt protobuff ...

This paper describes how to use Canal to implement an asynchronous and decoupled architecture. Subsequent articles will be rewritten to analyze Canal principles and source code. Introduction to Canal Canal is the middleware used to get database changes. Fake yourself as a MySQL slave library, pull the master binlog and parse and process it. Pro ...

1, Canal introduction In the early days, Alibaba had the business requirement of cross machine room synchronization due to the deployment of dual machine rooms in Hangzhou and the United States. The implementation method was mainly to obtain incremental changes based on the business trigger. Since 2010, the business has gradually tried to obta ...