Antwort Can I replicate from MySQL 5.7 to MySQL 8? Weitere Antworten – How to replicate existing MySQL database

Can I replicate from MySQL 5.7 to MySQL 8?

  1. Step 1: Adjusting Your Source Server's Firewall. Before getting started, you need to configure a firewall on both your servers with UFW.
  2. Step 2: Configuring the Master Server.
  3. Step 3: Creating a Replication User.
  4. Step 4: Configuring the Slave Server.

The mysql_upgrade client is deprecated because its capabilities for upgrading the system tables in the mysql system schema and objects in other schemas have been moved into the MySQL server. As of MySQL 8.0. 16, the server performs all tasks previously handled by mysql_upgrade.Relevant replication areas that have been improved in MySQL 8: Observability: more replication applier queuing details; improved tracing for Group Replication; replication filters statistics; additional cluster statistics on group replication; enhanced visibility into row-based replication.

What is MySQL replication : Replication enables data from one MySQL database server (known as a source) to be copied to one or more MySQL database servers (known as replicas). Replication is asynchronous by default; replicas do not need to be connected permanently to receive updates from a source.

How do I transfer data from one MySQL database to another

Steps to Migrate MySQL Database Between 2 Servers

  1. Step 1: Backup the Data.
  2. Step 2: Copy the Database Dump on the Destination Server.
  3. Step 3: Restore the Dump'

How do I clone an existing database : To clone a SQL database to a host:

  1. Open the App Manager to the Applications list.
  2. Right-click the application with the image that you want to clone, then choose Access.
  3. Select an image and then select Clone from the list of access operations.
  4. Select a target from the Target drop-down list.

How to Upgrade from MySQL 5.6 to 8

  1. Step 1 – Create a Backup of Your Current Database. Stop the MySQL service to ensure a consistent backup.
  2. Step 2 – Upgrade from Mysql 5.6 to 5.7 as an Intermediate Step. Ensure MySQL is stopped.
  3. Step 3 – MySQL 5.7 to 8.0 Upgrade.
  4. Step 4 – Tidy Up.


MySQL community plans to deprecate MySQL 5.7 in October, 2023 [1] and will not provide any security patches or bug fixes after October, 2023. Following community timelines, Amazon RDS will end standard support of MySQL major version 5.7 on 29 February, 2024.

How to upgrade MySQL replication

Upgrade Procedure With Table Repair Or Rebuild

  1. Stop all the replicas and upgrade the binaries or packages.
  2. Disable the binary log on the source.
  3. With the binary log disabled, perform any table repair or rebuilding operations needed to re-create database objects.
  4. Re-enable the binary log on the source.

Method 1: MySQL database replications using master-slave approach

  1. Install MySQL: Install MySQL on the slave server(s).
  2. Configure Slave: In the MySQL configuration file of each slave, configure the following settings:

Types. Based on behavior, there are three types of MySQL replication, and they are synchronous, semi-synchronous, and asynchronous. In synchronous replication, the primary server waits for the replica servers to confirm that it has received and applied the changes before committing.

This service helps you lift and shift your MySQL workloads into Cloud SQL. Database Migration Service streamlines networking workflows, manages the initial snapshot and ongoing replication, and provides a status of the migration operations.

Can I copy MySQL data directory : MySQL Zip archive distributions for Windows contain an unmodified data directory. You can unpack such a distribution into a temporary location, then copy it data directory to where you are setting up the new instance.

How do I sync one database to another : ‍How to Sync Databases

  1. Step 1: Understand your use case.
  2. Step 2: Identify the databases to be synced.
  3. Step 3: Choose a synchronization method.
  4. Step 4: Configure the databases.
  5. Step 5: Test the synchronization.
  6. Step 6: Schedule synchronization.
  7. Step 7: Monitor and troubleshoot.
  8. Step 8: Maintain and update.

Can we copy data from one database to another

You can backup and restore the database using Management Studio. Again from Management Studio you can use "copy database". you can even do it manually if there is a reason to do so. I mean manually create the target db and manually copying data by sql statements…

MySQL 8 is not fully backwards compatible with MySQL 5.7. There are several changes in MySQL 8 that can potentially break applications or cause compatibility issues when migrating from MySQL 5.7. It is important to carefully evaluate these differences and plan the upgrade accordingly.1 Answer

  1. Stop the existing MySQL service and disable automatic startup.
  2. Copy "C:\ProgramData\MySQL\MySQL Server 5.7\Data" to "C:\ProgramData\MySQL\MySQL Server 8.0\Data"
  3. Copy your existing ini file from "C:\ProgramData\MySQL\MySQL Server 5.7\my.
  4. Update data_dir in the new my.

Is MySQL 5.7 deprecated : MySQL 5.7 reached community end of life in October, 2023 and will reach RDS end of standard support on Feb 29, 2024. If you do not plan to use MySQL 5.7 after Feb 29, 2024, we recommend you upgrade to MySQL 8.0 at the earliest.