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background For the principle of raft algorithm, it is recommended to refer to the raft official website: https://raft.github.io/ It is highly recommended to watch the process animation of raft to facilitate intuitive understanding of the algorithm process Animation address: http://thesecretlivesofdata.com/raft/ By reading the source code ...

Article catalog Message queue RocketMQ: (I) overview Message queuing RocketMQ: (II) system architecture Message queue RocketMQ: (III) sending ordinary messages (three methods) Message queue RocketMQ: (IV) sequential messages Message queue RocketMQ: (V) delay message Message queue RocketMQ: (VII) batch messages Message queue RocketMQ: (VI ...

1, Nacos distributed configuration 1. Nacos concept Nacos provides key/value storage for storing configuration and other metadata, and provides server-side and client-side support for externalized configuration in distributed systems. Using Spring Cloud Alibaba Nacos Config, you can centrally manage the external attribute configuration of ...

Click on "end of life", pay attention to the official account. Daily technical dry goods, delivered at the first time! 1. Redis implements distributed locks Specify a key as the lock mark, store it in Redis, and specify a unique user ID as the value. When the key does not exist, the value can be set to ensure that only one ...

Basic knowledge Why use message middleware decoupling In applications with multiple systems, it is common that system A affects B, C, D data. The usual practice is to call the interfaces of other systems in A, so that the dependencies between systems are too large, and if new systems are added later, you need to add appropriate logic in ...

Distributed ID Project Main functions: Distributed Project Acquisition ID UniqueImplement high availability and dynamic scalingHow to squeeze server resources 1. How to Keep ID Unique Determining that the primary key ID is obtained is the only global need to ensure that the ID contains these elements: Timestamp, globally unique and self-in ...

springcloud2020 Daily Maxim Learning your mind and understanding is useless—— "Confucian classics Grottoes" Organize knowledge String your previous things How to learn at this stage While learning new knowledge, don't forget to review yourself and your knowledge My own things javaSEdatabaseFront end knowledgeServle ...

Building Hadoop distributed platform in linux system First, if the liunx network cannot be connected, click "Edit" in the VMwvare main interface, and then select "virtual network editor" After entering, restore the default settings in the following two steps. Generally, you can restore them after setting 1. Environmental ...

1, What is distributed Distributed computing is a new computing method proposed in recent years. The so-called distributed computing is that two or more software share information with each other. These software can run on the same computer or multiple computers connected through the network. In distributed system principles and mode ...

catalogue Step 1: create a project 1. Introduce dependency 2. Introducing plug-ins 3. Engineering structure Step 2: write helloword proto Step 3: generate code using plug-ins Step 4: copy the file to the corresponding package Step 5: use the generated code to write the client and server 1. Server code 2. Client code 3. Run This s ...