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Questions tagged [group-replication]

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mysql 8 innodb clustering - adding instance fails with error “Unknown database 'mysql_innodb_cluster_metadata'”

I'm setting up my first mysql innodb cluster, following the instructions here: https://dev.mysql.com/doc/refman/8.0/en/mysql-innodb-cluster-production-deployment.html I've configured the instances ...
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Mysql Shell doesn't change the configuration of my database for group replication

I am attempting to use a preexisting database on multiple nodes in a group replication setting. I am using mysqlsh 8.0.16, mysql server 5.7.24 and ubuntu 16.04 as the host. When I attempt to ...
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1answer
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how the mysql server settings replicatd in innodb cluster

I just started learning about cluster so I don't have much knowledge if question is not appropriate please forgive me. I have a 3 node InnoDB cluster running .suppose if I want to tune my server by ...
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1answer
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How to setup two mysql servers with group replication to work individually, when no network

I have two mysql servers in two different places. Both servers must be able to read and write. All tables are designed to based on unique id (UUID) primary key. I want to sync these two databases live ...
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4answers
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Group Replication plugin crashes MySQL 8.0

Problem description: INSTALL PLUGIN group_replication SONAME 'group_replication.so'; results in ERROR 2013 (HY000): Lost connection to MySQL server during query Specs: MySQL version: 8.0.13 ...
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1answer
159 views

Application considerations when using a multi-primary innodb cluster

I'm developing a scalable cloud application and I wish to use a multi-primary cluster to be better able to scale horizontally when needed. I have experience with a single primary cluster configuration....
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1answer
154 views

Why does my Group Replication plugin fail in MySQL 5.7.24?

I've been using the group_replication plugin with MySQL without issues before 5.7.24. With this version, the server starts up without the plugin because of failure. I confirmed it manually (see steps ...
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2answers
3k views

Mysql Group replication vs Mysql Cluster

[disclaimer] I'm not new to databases but totally novice about replication and cluster ... As you may know Mysql made available a new functionality : MySql Group Replication. Is anyone can explain ...