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Questions tagged [group-replication]

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How to configure MySQL Router on two application servers?

I have three MySQL servers running with group replication and inside a InnoDB Cluster. I have two app servers that will be connecting to the cluster and I need to configure mysql router on both app ...
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0answers
18 views

Get Server name as default value in MYSQL

Hi i have done the MYSQL database replication with 4 servers. And i would like to capture the server instance name. For an example if any records in 1st instance i would to save the MYSQL server name ...
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1answer
16 views

Mysql binary logs are not deleted after expiration

I have 3 Mysql 5.6 nodes in one galera cluster in the first DC and 3 MariaDB 10.3 nodes in another galera cluster in the DR site. One node on the 1st DC is the master for one slave node on the DR site....
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1answer
13 views

Relay log read fail, relay or master log currupt ,How to repair?

I am running mysql InnoDB cluster 8.0.17(group replication) During the repication the slave disk gets full and no space left at all the thread waits for the disk space to be freed at the same time ...
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1answer
36 views

MySQL, Group Replication not surviving after a single restart

Can anyone see where I am going wrong, as this is driving me round the bend. I have set up a clean install of MySQL 8.0.17 on my Windows 10 laptop. I have gone through the whole initialize process, ...
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1answer
87 views

MySQL Group Replication fails to understand “::ffff:” IP Address

I'm trying to set up group replication using 3 x MySQL 8.0.16 databases, but when I start up the second Node it fails. The error log reports: [GCS] Connection attempt from IP address ::ffff:10.12.1.2 ...
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0answers
68 views

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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0answers
16 views

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
45 views

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
92 views

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
208 views

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
257 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
185 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
4k 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 ...