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catalogue 1. Defects of traditional Jenkins master slave scheme 2.Kubernates+Docker+Jenkins continuous integration architecture diagram 3. Benefits of kubernates + docker + Jenkins continuous integration scheme 4. Kubedm installation Kubernetes 5. Installation environment description 6. Install and configure NFS and harbor configuration ...

    Quick start Let's start with a microservice example. The official example uses the AT mode in seata distributed transaction, that is, the example is based on: Based on a relational database that supports local ACID transactions.Java application, accessing database through JDBC.. Use case Business logic for users to purchase goods. T ...

Spring boot(6) data access Learning video: https://www.bilibili.com/video/BV19K4y1L7MT?p=62&spm_id_from=pageDriver 1. Automatic configuration of data source - HikariDataSource 1.1 importing JDBC scenarios <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spr ...

catalogue   1.1 preparation 1.2 download and install libfastcommon 1.3 download and install FastDFS 1.4 configuring Tracker service 1.5 configuring Storage services 1.1 preparation Operating environment CentOS 6.4 Put all downloaded files into the package for unified management   1.2 download and install libfastcommon 1. Download ...

MySQL group replication (multi master mode) Official website: https://dev.mysql.com/doc/refman/5.7/en/group-replication.html brief introduction MySQL group replication is a MySQL Server plug-in that enables you to create elastic, high availability, fault-tolerant replication topologies. Based on GTID.Group replication is a technology that ...

[source code analysis] multi process architecture and model of parallel distributed task queue Celery 0x00 summary Celery is a simple, flexible and reliable distributed system that processes a large number of messages. It focuses on asynchronous task queue for real-time processing, and also supports task scheduling. Because celery improve ...

In daily development, there are many similar operations of reducing inventory, such as commodity inventory in e-commerce system, prize inventory in lottery system, etc. Solution Using mysql database, use a field to store inventory, and update this field every time you deduct inventory. The database is still used, but the inventory is layere ...

1.1 ACL permission control: scheme, id and permission are used to identify, mainly covering three aspects: Permission scheme: authorization policy Authorization object (id): the authorized object Permission: the permission granted 1.2. Features of Zookeeper ACL: Zookeeper's permission control is based on znode nodes, and permissions need ...

I summary What is RPC? Remote service callOfficial: the idea of requesting services from remote computer programs through the network without understanding the underlying network technologyA little more popular: without knowing the details of the call, the client calls an object that exists on the remote computer, just like calling an objec ...

I summary What is RPC? Remote service callOfficial: the idea of requesting services from remote computer programs through the network without understanding the underlying network technologyA little more popular: without knowing the details of the call, the client calls an object that exists on the remote computer, just like calling an objec ...