ProxySQL Behavior in the Percona Kubernetes Operator for Percona XtraDB Cluster

ProxySQL Percona Kubernetes Operator

The Percona Kubernetes Operator for Percona XtraDB Cluster(PXC) comes with ProxySQL as part of the deal. And to be honest, the behavior of ProxySQL is pretty much the same as in a regular non-k8s deployment of it. So why bother to write a blog about it? Because what happens around ProxySQL in the context […]

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Achieving Consistent Read and High Availability with Percona XtraDB Cluster 8.0

High Availability with Percona XtraDB Cluster 8.0

In real life, there are frequent cases where getting a running application to work correctly is strongly dependent on consistent write/read operations. This is no issue when using a single data node as a provider, but it becomes more concerning and challenging when adding additional nodes for high availability and/or read scaling. 
In the MySQL […]

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Group Replication and Percona XtraDB Cluster: Overview of Common Operations

group replication percona xtradb cluster

In this blog post I would like to give an overview of the most common failover scenarios and operations when using MySQL Group Replication 8.0.19 (aka GR) and Percona XtraDB Cluster 8 (PXC) (which is based on Galera), and explain how each technology handles each situation. I have created a three-node cluster with Group […]

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Benchmarking: More Stable Results with CPU Affinity Setting

benchmarking cpu affinity setting

When I run a benchmark and want to measure the CPU efficiency of something, I find it’s often a good choice to run a benchmark program, as well as the database, on the same server. This is in order to eliminate network impact and to look at single-thread performance, to eliminate contention.
Usually, this approach […]

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How to Install ProxySQL From the Percona Repository

install proxysql percona repository

This article describes how to install ProxySQL from the Percona Software Repositories.
Percona Software Repositories contain a ProxySQL version that has passed rigorous Percona tests and is known to be compatible with other Percona Software. We recommend using those builds whenever you’re running ProxySQL with Percona Server for MySQL, Percona XtraDB Cluster, MySQL, or MariaDB.
To […]

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