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 […]Read more
Quickly Add a Node to an InnoDB Cluster or Group Replication (Shutterstock)
In this blog, we’ll look at how to quickly add a node to an InnoDB Cluster or Group Replication using Percona XtraBackup.
Adding nodes to a Group Replication cluster can be easy (documented here), but it only works if the existing nodes have retained […]
In this blog, we’ll look at group replication and how it deals with flow control (FC) and replication lag.
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 […]
Thank you for attending the Wednesday, June 21, 2017 high availability webinar titled Percona XtraDB Cluster, Galera Cluster, MySQL Group Replication. In this blog, I will provide answers to the Q & A for that webinar.
You can find the slides and a recording of the webinar here.
Is there a minimum MySQL server version for Group […]
In our latest release of Percona XtraDB Cluster, we’ve introduced major performance improvements to the MySQLwrite-set replication layer. In this post, we want to show what these improvements look like.
For the test, we used the sysbench OLTP_RW, UPDATE_KEY and UPDATE_NOKEY workloads with 100 tables, 4mln rows each, which gives about 100GB of datasize. In all […]