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original text Abridged slightly Alarm overview Prometheus alarms are divided into two parts. Alarm rules in Prometheus server send alarms to alert manager, which processes these alarms, including silence, inhibition, aggregation, and sending notifications through email, online notification system and ...

Foreign Key Management Foreign key concept If a public key is the primary key in a relationship, it is called the foreign key in another relationship.Thus, the foreign key represents the correlation between the two relationships.Tables whose primary key is a foreign key to another relationship are called primary tables, and tables with foreign ...

Blog Outline: 1, PXC introduction 2, Deploy PXC cluster 1, PXC introduction Reference resources: Official Percona PXC is an open source MySQL high availability solution, which integrates Percona Server and Xtrabackup with Galera library to realize synchronous multi master replication. High availability solutions based on Galera mainly incl ...

1. Three installation methods of hive Three installation methods of Hive are introduced on Hive official website, corresponding to different application scenarios. In the final analysis, the storage location of metadata is different. Embedded mode (metadata is saved in the embedded derby database, al ...

Hello, welcome to the program workplace, where you need to improve technology, career planning, personal growth, sideline development and other articles. Learn and improve with more small partners. This is the twelfth article in the Spring Boot series. Understanding the previous articles will hel ...

Complete tutorial: https://jooq.diamondfsd.com/ In the current situation of the prevalence of micro services, the micro service system based on Spring Boot or Spring Cloud is the mainstream, and it is also the new selection direction in the current business scenario Compared with using Spring directly, using Spring Boot to integrate jOOQ is rel ...

Mobile phone verification code is a function that we use in our daily life So let's assume that we can make this function work There are many ways to achieve this. Some of them are in slow storage Here I simply record the implementation process of the latter! First, make a button to submit the u ...

On the server, docker can help us quickly set up the lnmp running environment, and any operation in the container has no effect on the host.This paper uses docker to create multiple containers (mysql,php-fpm,nginx) to set up lnmp running environment. Since the three containers are for communication, co ...

Article directory Environment description Download and unzip Change configuration sqoop-env.sh After decompression Modify sqoop-env.sh Configure environment variables Copy mysql driver mysql start View sqoop version Test with mysql Environment description Software Edition operating syste ...

1. Details of docker common commands 1.1 docker info Containers: 3 Number of containers Running: 2 Number of containers running Paused: 0 Suspended docker Number Stopped: 1 Stopped docker Number Images: 15 Mirror number Server Version: 17.03.3-ce docker Edition Storage Driver: overlay Storage drive ...