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Questions tagged [mysql-innodb-cluster]

MySQL's high-availability, multi-master, replication clustering solution for the InnoDB storage engine with automatic failover

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Innodb cluster setup error

Reframed: Here are the steps I followed but is resulting into an error: I am connected to my primary node (10.0.0.4) and I checked the config of all the nodes using below: MySQL localhost JS > ...
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1answer
18 views

InnoDB cluster error: ReferenceError: cluster is not defined

I was setting up the MySQL InnoDB cluster, when I got this error. I created the cluster from the primary node, the cluster.status() was giving output as 'ONLINE' at this point with only one node part ...
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1answer
41 views

Secondary nodes in mysql 8.0.15 innodb cluster are not reading group_replication_member_expel_timeout variable from my.cnf

I have setup a 3 node mysql 8.0.15 innodb cluster. I have been trying to set group_replication_member_expel_timeout variable to 60 via the /etc/my.cnf file. Although the primary node has read the ...
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1answer
25 views

Mysql Innodb cluster does not show mysql server instances in Mysql shell

I followed docker innodb cluster manual method to create an innodb cluster. Now in mysql server instance, by running select * from performance_schema.replication_group_members, I can see the group ...
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1answer
22 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
25 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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16 views

Ignore keys while mysql command line export

I am writing a bash script to export a few tables from the MySQL DB and import in the backup DB. I will repeat this process on an hourly basis and will keep all the tables by changing the table name. ...
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1answer
85 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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0answers
123 views

Delete query end state lasts tens of seconds in innodb cluster

I have an InnoDB cluster with three nodes running with 4GB ram and 80GB SSD on Linode. I am trying to delete around 240000 of rows from MySQL InnoDB cluster in one go. However, it stuck at query end ...
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0answers
30 views

MySQL Shell Python Client library

Is there a python client library available to interact with MySQL Admin API and to do similar stuff that MySQL Shell does. From the documentation of MySQL Shell, I could see that there is a --py mode ...
1
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1answer
74 views

check slave status innodb cluster

On InnoDB cluster, I have tried to execute command 'show slave status' to get status of a slave. But the system returns 0 row. So now I want to check the status of a slave, check which bin log file is ...
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129 views

How do I force an update of local transactions when a off line InnoDB multi-primary mode cluster member rejoins the cluster?

How do I force an update of local transactions when a off line InnoDB multi-primary mode cluster member rejoins the cluster? GOAL: Small office with <50 users. Each user will work on a desktop ...
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2answers
313 views

How to change MySQL InnoDB cluster from single primary mode to multi primary mode?

My goal is to setup, in a lab environment, a MySQL InnoDB cluster in multi-primary mode. I have read much, but I cannot get this setup to work. Ubuntu 16.04.3 server LTS x 3 SQL0 - SQL2 Ubuntu 16....
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1answer
61 views

Does MySQL allows incoming queries while altering a table?

I'm adding a new column to an existing table say ABC with the following query, ALTER TABLE ABC add column STATUS int(10) NOT NULL This is done in master, slave and secondary slaves. Meanwhile, ...
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1answer
435 views

Restart event scheduler and alter event when slave being promoted to master

I am using innnodb cluster. It is good that every time a R/W node failed the R/O node will being promoted to R/W. However I have to restart scheduler and alter event enabled (originally slave side ...
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1answer
172 views

mysql innodb cluster 3 nodes, 2 lagging almost 24 hours

I have a 3 node setup and the 2 read only nodes are way behind (like 24 hours) from the rw node.. I saw here: https://bugs.mysql.com/bug.php?id=86797 to restart the lagging node and will pick up by ...
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0answers
389 views

MySQL InnoDb Cluster Replication Issue

I am trying to setup MySQL InnoDB Cluster. I am using version 5.7.20 of the MySQL server. I am able to create a cluster. When I try to add the first slave is when I run into my issue. It complains ...
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1answer
334 views

MySQL InnoDB cluster pricing

On https://www.mysql.com/products/community/, the InnoDB Cluster is listed as part of the MySQL community edition, but when clicking the "Download MySQL Community Edition" link and further, I end up ...
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1answer
141 views

InnoDB Cluster Read-Only Lag Behind Writer

For software testing purposes, I'm using MySQL v5.7 and MySQL Router with a sandbox deployment of an InnoDB cluster with one read-write instance and two read-only instances. I'd like to be able to ...
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0answers
122 views

mysqld slowly eats memory

Summary My company recently deployed mysql innodb cluster as a backend database system using docker. To be exact, the cluster was deployed on Oct 3rd, so it has been almost two months. Recently, ...
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1answer
2k views

how to resolve innodb cluster conflict

I am currently maintaining an innodb cluster with three nodes. It runs well but sometimes one node will be MISSING then I have to bring it up online again. The problem is I inserted a table without ...
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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 ...