Tag - Innodb cluster

Extending Percona Monitoring and Management for MySQL InnoDB Cluster with Custom Queries

pmm innodb custom queries

A few days ago, a customer got in touch asking how they could use Percona Monitoring and Management (PMM) to monitor the roles played by each node in an InnoDB cluster. More specifically, they wanted to check when one of the nodes changed its role from Primary to Secondary, or vice-versa. PMM allows for […]

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InnoDB Cluster in a Nutshell Part 3: MySQL Shell

MySQL InnoDB Cluster MySQL Shell

Welcome to the third part of this series. I’m glad you’re still reading, as hopefully this means you find this subject interesting at least. Previously we presented the first two components of MySQL InnoDB Cluster: Group Replication and MySQL Router and now we will discuss the last component, MySQL Shell.
MySQL Shell
This is the last component […]

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MySQL InnoDB Cluster in a nutshell Part 1: Group Replication

MySQL InnoDB Cluster

Since MySQL 5.7 we have a new player in the field, MySQL InnoDB Cluster. This is an Oracle High Availability solution that can be easily installed over MySQL to get High Availability with multi-master capabilities and automatic failover.
This solution consists in 3 components: InnoDB Group Replication, MySQL Router and MySQL Shell, you can see […]

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Group Replication: The Sweet and the Sour

Group Replication

In this blog, we’ll look at group replication and how it deals with flow control (FC) and replication lag. 
Overview
In the last few months, we had two main actors in the MySQL ecosystem: ProxySQL and Group-Replication (with the evolution to InnoDB Cluster). 
While I have extensively covered the first, my last serious work on Group Replication […]

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