Programmer Think

preface Environment deployment reference: Docker deploying Nacos-2.0.3 stand-alone environment Docker deploying Nacos-2.0.3 cluster environment Deploying Nacos-2.0.3 stand-alone environment for Linux Deploying Nacos-2.0.3 cluster environment for Linux 1. Overview Nacos is committed to the discovery, configuration and management of micro ...

1, Message queue 1. Definition of Message queue The most common way of communication between services is to directly call each other to communicate. Messages can reach the other end immediately after they are sent from one end, which is called instant messaging (synchronous communication) After a message is sent from one end, it first enters ...

catalogue I Message queue 1. Definition of message queue 2. Problem thinking ​3. Existing problems 4. Optimization scheme 5. Example: ①. Benefits ②. Message queue characteristics 6.Email case: 7.AMQP 8. Technical selection  9.RabbitMq II Docker installation and deployment RabbitMQ III springboot connection configuration 1. Config ...

prefaceWhether it is ID generation in distributed systems or the generation of unique numbers such as requesting serial numbers in business systems, it is a scenario that software developers often face. The snowflake algorithm is a solution to these scenes.Taking distributed ID as an example, its generation often requires uniqueness, increment, ...

I haven't shared my learning experience for a long time. After reading the release records, the last article is from 2020-12-10. Today, I take time to sort out the next technology sharing I want to sort out very early. By the way, as an aside, because I haven't had time to sort it out, and the development partners don't understand Mq enough, I ...

abstract Idle boring, so I wrote this cool article, which Mina sang can use directly, unless there are almost no bug s, when I didn't say (doge) QA: why don't you rely on the operation encapsulated by springboot? Ou believes that springboot over encapsulates the operation class, and it is OK to realize ordinary and simple operations, but i ...

GrayLog brief introduction GrayLog is a lightweight distributed log management platform, an open source log aggregation, analysis, audit, display and early warning tool. In terms of function, it is similar to ELK, but it is much simpler and lighter than ELK. Relying on the advantages of more concise, efficient and simple deployment and use ...

In my previous article: Elastic Stack 8.0 installation - protecting your Elastic Stack is now easier than ever Elastic: use Docker to install Elastic Stack 8.0 and start using it I described in detail how to install a single node Elastic Stack. In today's tutorial, I detail how to install a three node Elasticsearch cluster. I will use Docke ...

Seata Seata is an open source distributed transaction solution, which is committed to providing high-performance and easy-to-use distributed transaction services. Seata will provide users with AT, TCC, SAGA and XA transaction modes to create a one-stop distributed solution for users. Evolution of the two-stage submission agreement: Phase I: ...

deploy Download installation packageUpload and unzip the installation packageConfigure environment variablesModify profileFormat HDFSModify script fileStart and verifyStop cluster be careful: 1. The JDK environment is installed and configured by default 2. The CentOS7 Linux environment is installed and configured by default 3. Change the curre ...