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Learning objectives Learn microservice architectureCorresponding project Hotel demo Study notes 1. Get to know elasticsearch 1.1. Understanding ES 1.1. 1. Function of elasticsearch Elastic search is a very powerful open source search engine with many powerful functions, which can help us quickly find the content we need from massive dat ...

WeChat Public Number: Operations and Maintenance Development Story, Author: double winter 1. Familiarize yourself with the Spring Cloud microservice project Code branch description: dev1 Delivery Code dev2 Writes Dockerfile to build a mirror dev3 K8S Resource Layout dev4 Micro-Service Link Monitoring master finally goes online 2. Lo ...

grpc of microservice component summary grpc is a high-performance, open source and general rpc framework. It is designed for mobile and http/2. It brings characteristics such as two-way flow, flow control, header compression, multiple multiplexing requests of single tcp connection and so on. In short, it can be considered as a better protoc ...

CAP principle and BASE theorem CAP principle CAP is the acronym combination of Consistency, Availability and Partition tolerance. It is a priority for designers of all distributed systems before design. CAP principle Consistency C means that after the update operation is successful, the data of all nodes are completely consiste ...

1, Introduction to Gateway (1) Official website: https://cloud.spring.io/spring-cloud-static/spring-cloud-gateway/2.2.1.RELEASE/reference/html/ (2) Introduction to the official website: Gateway is an API gateway service built on the Spring ecosystem and is based on technologies such as Spring 5, Spring Boot 2 and Project Reactor. Gateway aims ...

1, Nacos service discovery flow chart I believe you can sort it out after reading the following source code analysis; Refer to: Nacos service registration source code analysis flow chart 2, Find the source code entry The spring cloud commons package defines a set of service discovery specifications, and the core logic is in the DiscoveryClie ...

introduceThis article describes how to quickly configure a common API through rk-boot and obtain process meta-information.What is process meta-information?The process meta-information contains the following:NamedetailsAPI ListGet API ListgRPC Error InformationgRPC corresponds to grpc-gateway error informationOS InformationCurrent OS Information ...

Preface What if we don't want all requests to have access to our services? Thus, this component, Gateway Gateway, is the unified gateway to all our micro services Its core functions are as follows: Privilege control: Gateway as a micro-service entry, needs to verify whether the user is eligible for requests, and if not interceptsRouting and ...

Differences between single application architecture and microservice architecture Single application architecture (a project is packaged and deployed to a server) Disadvantages: Code complexity is high, and a project may contain millions of code Difficult to update technology Low iteration frequency of project version Low scalabilit ...

Sentinel overview Sentinel: traffic guard of distributed system Sentinel takes traffic as the starting point to protect the stability of services from multiple dimensions such as traffic control, fuse degradation and system load protection. Sentinel is divided into two parts: Core library( Java Client) does not depend on any framework/L ...