Upgrade MySQL installed in binary mode on Centos7.9. There are two upgrade methods: in-place upgrade and logical upgrade. This experiment demonstrates the In-Place Upgrade method to upgrade mysql-5.7.17 to 5.7.44. In-Place Upgrade Logical UpgradeLogical upgrade Introduction to upgrade methods In-Place Upgrade in-place upgrade In-Place Upgrade Introduction An in-place upgrade involves shutting down the old MySQL […]
Tag: upgrade
The average query speed is increased by 700%. Qi’anxin upgraded the log security analysis system based on Apache Doris.
Introduction to this article: The arrival of the digital intelligence era has made network security an important area that cannot be ignored. As a leading network security solution leader, Qi’anxin is committed to providing enterprises with advanced and comprehensive network security protection. Its log analysis system plays a key role in network security. Through in-depth […]
[Elasticsearch 7.x upgrade to 8.x] Code compatible with multi-version ES transition plan
Article directory 1. Demand 2. ES upgrade and data migration 1.Install new version 2. Create a snapshot 3. Restore snapshot 3. Service modifications 1. Existing code is compatible with es8.x 2. Compatible with both versions of es Problems 2.1 Modify es package (1) Use maven-shade-plugin to modify the package (2)Introduce the shade-es package 3. Add […]
Upgrade the fruit inventory system using jdbc technology (final version of the backend, not including the frontend)
1. Configuration dependencies <dependencies> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <version>1.18.10</version> </dependency> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> <scope>test</scope> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>8.0.28</version> </dependency> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.2.16</version> </dependency> </dependencies> 2. Fruit entity class package com.csdn.fruit.pojo; import lombok.AllArgsConstructor; import lombok.Data; import lombok.NoArgsConstructor; import java.io.Serializable; @Data @NoArgsConstructor @AllArgsConstructor public class Fruit implements Serializable { private Integer fid; private String fname; […]
Hyperledger fabric deploys chain code (5) Initialization and chain code upgrade
After the chaincode definition is submitted to channel, it will be started on the peer node of the channel where the chaincode is installed. The asset-transfer (basic) chaincode can now be called directly by client applications via the command line. Use the following command to create an initial set of assets (initialization) on ledger. Please […]
Bsdiff, differential incremental upgrade of Bspatch (based on Win and Linux)
Table of Contents background content Preparation on windows platform on linux platform Formal work Ideas for generating differential files Functional differential file idea Perform differential incremental upgrade while maintaining the same directory structure Server (generate differential file) Client (function differential file) Updated on December 6th (bug fixed) Perform analysis Notes and areas of concern: background […]
jdbc uses data source connection pool technology to upgrade BaseDao
jdbc.driver=com.mysql.cj.jdbc.Driver jdbc.url=jdbc:mysql:///fruitdb jdbc.user=root jdbc.pwd=123456 jdbc.init_size=5 jdbc.max_active=20 jdbc.max_wait=3000 package com.csdn.mymvc.dao; import com.alibaba.druid.pool.DruidDataSource; import com.csdn.mymvc.util.ClassUtil; import javax.sql.DataSource; import java.io.IOException; import java.io.InputStream; import java.lang.reflect.ParameterizedType; import java.lang.reflect.Type; import java.sql.*; import java.util.ArrayList; import java.util.List; import java.util.Properties; public abstract class BaseDao<T> { private String entityClassName; public BaseDao() { //Who is this? This represents the instance object of FruitDaoImpl. Because BaseDao is […]
What should I do if I want to upgrade OpenSSH on 100 CentOS7 machines?
background ? There are now 100 Centos7 machines that need to upgrade OpenSSH to 8.3. What should I do? The operation of each machine obviously does not meet my style of fishing. Since the operation of each machine is the same, Ansible Roles has its place. Normal upgrade process First, rpmbuild generates the OpenSSH 8.3 […]
iFlytek Spark Upgrade 3.0: Overall surpassing ChatGPT, and will achieve benchmarking with GPT-4 in 2024
Only two months have passed since the last major version, iFlytek officially launched version 3.0 of the iFlytek Spark cognitive model on 1024. In May of this year, when the iFlytek Spark cognitive model was first launched, iFlytek Chairman Liu Qingfeng set a flag: On October 24, the capabilities of the Spark cognitive model will […]
Vue2+Cesium 3D visualization project upgraded to Vue3 (1)
Background Upgrade the Vue2.0 + Ceium project to Vue3.0. Record the overall upgrade process and problems encountered here. Goals Use Vue3.0 supporting technology stack to build the project framework and reconstruct the project Technology stack: Vue2.0 + Webpack + JavaScript + Sass + Element ui + Vuex + Axios + Vue-router + Cesium After upgrade: […]