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preface reference material: <Spring Microservices in Action> Principle and practice of Spring Cloud Alibaba microservice "Spring cloud framework development tutorial in Silicon Valley of station B" Zhou Yang In order to facilitate understanding and expression, the Nacos console and the Nacos registry are called the Nacos ...

1. Overview of distributed global id and problems caused When creating a table, we use self increment for the primary key id to uniquely distinguish the dataIn the scenario of sub database and sub table, the problem of self adding id cannot be solvedDuplicate IDs of two different business data will lead to query errors or related data pr ...

Consistency hash of Dubbo load balancing policy 1 load balancing Here is a quote from dubbo's official website—— LoadBalance means load balancing in Chinese. It is responsible for "sharing" network requests or other forms of load to different machines. Avoid excessive pressure on some servers in the cluster while others ...

File network disk resources required for problem solving: Link: https://pan.baidu.com/s/1uMrhVmHlvEQ-sEGZtqhqiw Extraction code: kkab File list: libnsl-2.17.so libcrypto.so.1.0.2k libssl.so.1.0.2k libreadline.so.6.2 1. Environmental description    firewall: after it is turned on, various settings are required, which may cause ...

preface reference material: <Spring Microservices in Action> Principles and practice of Spring Cloud Alibaba microservice "Spring cloud framework development tutorial in Silicon Valley of station B" Zhou Yang To realize unified configuration management, Spring Cloud needs to solve two problems: how to obtain remote serve ...

Lock: we have contacted in multithreading. The function is to prevent the current resources from being accessed by other threads! My diary can't be seen by others. So lock it in the safe When I open the lock and take away the diary, others can use the safe The "herding effect" caused by using traditional locks in zookeeper: 1000 peo ...

preface reference material: <Spring Microservices in Action> Principle and practice of Spring Cloud Alibaba microservice "Spring cloud framework development tutorial in Silicon Valley of station B" Zhou Yang Nacos official website Nacos is committed to solving the problems of unified configuration, service registration a ...

SequoiaDB, as a storage engine, supports high concurrency HTAP scenarios. The standard summarizes the high availability deployment practice of using SequoiaDB as data storage in the operation and maintenance analysis project, and accesses Kafka for high concurrency update business and Spark for high concurrency batch query business. SequoiaDB ...

preface reference material: <Spring Microservices in Action> Principles and practice of Spring Cloud Alibaba microservice "Spring cloud framework development tutorial in Silicon Valley of station B" Zhou Yang In order to facilitate understanding and expression, the Nacos console and the Nacos registry are called the Naco ...

  In the design of RabbitMQ, producers and consumers are deliberately "decoupled", that is, the release of news and the consumption of news are decoupled. In RabbitMQ, there are different delivery mechanisms (producers), but each mechanism has a certain impact on performance. Generally speaking, the reliability of fast speed is low ...