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1. Package under windows Microservice applications are packaged by maven, mvn clean package is executed in pom.xml of the project, or Maven package is directly packaged by idea or eclipse The above operation will generate the file microservice-discovery-eureka-0.0.1-SNAPSHOT.jar package in the target directory of the project 2. Copy microservic ...

Create database mysqladmin -h '192.168.2.233' -u root -p create namc; View newly created database encoding mysql> SHOW VARIABLES LIKE 'character%' -> ; +--------------------------+----------------------------+ | Variable_name | Value | +--------------------------+----------------------------+ | character_s ...

As the name implies, multiple secondary index entries can be created for the same Primary key in the index. In fact, the basic functions of array type have been supported, and the secondary index is built based on array. This means that the number of records in the secondary index can be more than the number of records in the clustered index, s ...

This video makes a list of the blog's home page; Content introduction: springboot integrates beetlsql; uses for loop, if control statement, virtual property, variable definition, etc Learn beetl directory together: https://my.oschina.net/u/1590490?tab=newest&catalogId=6214598 Author: GK Integrate BeetlSql to query database Introducing d ...

LNMP architecture introduction Unlike LAMP, Nginx provides web Services And php exists as an independent service, which is called php FPM Nginx processes static requests directly, and dynamic requests are forwarded to PHP FPM MySQL reinstallation MySQL is installed by compiling free binary installation package. You need to delete the corre ...

solr installation and configuration download Download address: http://www.apache.org/dyn/closer.lua/lucene/solr/7.5.0 Unzip directly after downloading. To configure Create a new core Enter the directory after decompression (replaced by ~ / Solr root /), enter ~ / Solr root / server / Solr /, create a new directory, and define the directory nam ...

1. Initialization of data source. The initialization entry is provided by SqlSessionFactoryBuilder.build(InputStream inputStream, String environment, Properties properties) method public SqlSessionFactory build(InputStream inputStream, String environment, Properties properties) { try { XMLConfigBuilder parser = new XMLConfigBuilder ...

I. environment introduction host name ip Installation software nginx_mysql_m 192.168.255.67 keepalived+nginx nginx_mysql_s 192.168.255.66 keepalived+nginx mysql1 192.168.255.52 mysql,mysql-server mysql2 192.168.255.57 mysql,mysql-server II. keepalived configurationThe configuration of keepalived is similar to that in the previous ...

In the process of large-scale data processing, sometimes it is necessary to take out a part of data by groups as a reference for the whole data. For example, there is a table [1], which can be divided into 200 groups by column [1]. Now we want to take 10 records from each group of these 200 groups as a representative. We can ope ...

Exercises Table 1 mysql> create database linux50 charset utf8; Query OK, 1 row affected (0.00 sec) mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | linux50 | | ming | | mysql | | performance_schema | | test | | world ...