# Percona Server for MySQL

Published articles for Percona Server for MySQL.

This is one page of public article previews, not the complete archive. Follow Next page to continue. Summaries are not the original full articles.

## Group Replication Beyond a Single Cluster: DC-DR with Percona (PS MySQL) Operator

DevFeed: [Group Replication Beyond a Single Cluster: DC-DR with Percona (PS MySQL) Operator](<https://devfeed.tech/articles/group-replication-beyond-a-single-cluster-dc-dr-with-percona-ps-mysql-operator-35041.md>)

Original publisher: [Read original article](<https://www.percona.com/blog/group-replication-beyond-a-single-cluster-dc-dr-with-percona-ps-mysql-operator/>)

Author: Anil Joshi

Published: 2026-09-17T06:43:32Z

Content type: tutorial

Language: en

Sources: [Blog - Percona](<https://devfeed.tech/sources/blog-percona.md>)

Topics: [Replication](<https://devfeed.tech/topics/replication.md>), [export](<https://devfeed.tech/topics/export.md>), [Percona Server for MySQL](<https://devfeed.tech/topics/percona-server-for-mysql.md>), [configuration](<https://devfeed.tech/topics/configuration.md>), [Server](<https://devfeed.tech/topics/server.md>), [Kubernetes](<https://devfeed.tech/topics/kubernetes.md>), [Database](<https://devfeed.tech/topics/database.md>)

Tags: [cloud](<https://devfeed.tech/tags/cloud.md>), [configuration](<https://devfeed.tech/tags/configuration.md>), [database-trends](<https://devfeed.tech/tags/database-trends.md>), [featured](<https://devfeed.tech/tags/featured.md>), [innodb-clusterset](<https://devfeed.tech/tags/innodb-clusterset.md>), [insight-for-dbas](<https://devfeed.tech/tags/insight-for-dbas.md>), [kubernetes](<https://devfeed.tech/tags/kubernetes.md>), [kubernetes-operators](<https://devfeed.tech/tags/kubernetes-operators.md>), [mysql](<https://devfeed.tech/tags/mysql.md>), [mysql-group-replication](<https://devfeed.tech/tags/mysql-group-replication.md>), [mysql-high-availability](<https://devfeed.tech/tags/mysql-high-availability.md>), [mysql-replication](<https://devfeed.tech/tags/mysql-replication.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [operator](<https://devfeed.tech/tags/operator.md>), [percona-kubernetes-operators](<https://devfeed.tech/tags/percona-kubernetes-operators.md>), [percona-operator-for-mysql](<https://devfeed.tech/tags/percona-operator-for-mysql.md>), [percona-server-for-mysql](<https://devfeed.tech/tags/percona-server-for-mysql.md>), [percona-software](<https://devfeed.tech/tags/percona-software.md>), [replication](<https://devfeed.tech/tags/replication.md>), [uncategorized](<https://devfeed.tech/tags/uncategorized.md>), [yaml](<https://devfeed.tech/tags/yaml.md>)

### AI overview

This tutorial explains how to configure cross-site replication between two Percona Operator for MySQL clusters to create a ClusterSet environment for disaster recovery and switchover between data-center and disaster-recovery members. It covers deploying the clusters, retrieving endpoints and cluster names, transferring credentials, and initializing the DR cluster.

### Source excerpt

A while ago, we discussed the cross-site replication feature of the Percona PXC operator. Recently, a similar cross-site replication feature was introduced in the Percona (PS MySQL) operator v1.2.0, a topology based on Group Replication/InnoDB Cluster. In this blog post, we will explore how to add a DR Cluster to an existing DC Cluster to ... Continued The post Group Replication Beyond a Single Cluster: DC-DR with Percona (PS MySQL) Operator appeared first on Percona.

## Performance improvements in Percona Server 8.4.11-11

DevFeed: [Performance improvements in Percona Server 8.4.11-11](<https://devfeed.tech/articles/performance-improvements-in-percona-server-8-4-11-11-26780.md>)

Original publisher: [Read original article](<https://www.percona.com/blog/performance-improvements-in-percona-server-8-4-11-11/>)

Author: Bogdan Degtyariov

Published: 2026-09-15T11:52:54Z

Content type: article

Language: en

Sources: [Blog - Percona](<https://devfeed.tech/sources/blog-percona.md>)

Topics: [Percona Server for MySQL](<https://devfeed.tech/topics/percona-server-for-mysql.md>), [Percona](<https://devfeed.tech/topics/percona.md>), [MySQL](<https://devfeed.tech/topics/mysql.md>), [Cache](<https://devfeed.tech/topics/cache.md>), [Scalability](<https://devfeed.tech/topics/scalability.md>), [Database](<https://devfeed.tech/topics/database.md>)

Tags: [benchmark](<https://devfeed.tech/tags/benchmark.md>), [benchmarks](<https://devfeed.tech/tags/benchmarks.md>), [cache](<https://devfeed.tech/tags/cache.md>), [io](<https://devfeed.tech/tags/io.md>), [mysql](<https://devfeed.tech/tags/mysql.md>), [percona](<https://devfeed.tech/tags/percona.md>), [percona-server-for-mysql](<https://devfeed.tech/tags/percona-server-for-mysql.md>), [performance](<https://devfeed.tech/tags/performance.md>), [scalability](<https://devfeed.tech/tags/scalability.md>)

### AI overview

This article describes performance and scalability improvements in Percona Server for MySQL 8.4.11-11, focusing on changes to the InnoDB buffer pool and page flushing. It explains how narrowing mutex coverage and using finer-grained latching allows physical reads to proceed more in parallel, particularly for read-heavy, I/O-bound workloads.

### Source excerpt

Focusing on Percona Server 8.4.11-11 My previous post (Performance Progression of Percona Server for MySQL 8.4) did a brief review of the performance changes in Percona Server for MySQL 8.4 released in 2026. I recommend reading it first to better understand the material in this post. Version 8.4.11-11 includes patches that deliver significant improvements in ... Continued The post Performance improvements in Percona Server 8.4.11-11 appeared first on Percona.

## OpenID Connect Authentication for MySQL, Now Fully Open Source

DevFeed: [OpenID Connect Authentication for MySQL, Now Fully Open Source](<https://devfeed.tech/articles/openid-connect-authentication-for-mysql-now-fully-open-source-14105.md>)

Original publisher: [Read original article](<https://www.percona.com/blog/oidc-authentication-for-percona-mysql/>)

Author: Michał Jankowski

Published: 2026-09-02T08:56:26Z

Content type: article

Language: en

Sources: [Blog - Percona](<https://devfeed.tech/sources/blog-percona.md>)

Topics: [MySQL](<https://devfeed.tech/topics/mysql.md>), [OpenID connect (OIDC)](<https://devfeed.tech/topics/oidc.md>), [Authentication](<https://devfeed.tech/topics/authentication.md>), [JSON Web Tokens](<https://devfeed.tech/topics/jwt.md>), [OAuth](<https://devfeed.tech/topics/oauth.md>), [Open Source](<https://devfeed.tech/topics/open-source.md>)

Tags: [authentication](<https://devfeed.tech/tags/authentication.md>), [jwks](<https://devfeed.tech/tags/jwks.md>), [jwt](<https://devfeed.tech/tags/jwt.md>), [mysql](<https://devfeed.tech/tags/mysql.md>), [oauth](<https://devfeed.tech/tags/oauth.md>), [oauth-2-0](<https://devfeed.tech/tags/oauth-2-0.md>), [oidc](<https://devfeed.tech/tags/oidc.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [openid-connect](<https://devfeed.tech/tags/openid-connect.md>), [percona](<https://devfeed.tech/tags/percona.md>), [percona-server-for-mysql](<https://devfeed.tech/tags/percona-server-for-mysql.md>), [percona-software](<https://devfeed.tech/tags/percona-software.md>), [security](<https://devfeed.tech/tags/security.md>)

### AI overview

Percona Server for MySQL includes an open-source OpenID Connect authentication plugin for specified 8.4 and 9.7 releases. The article explains how it authenticates users through standards-compliant identity providers and describes capabilities beyond the MySQL Enterprise plugin, including JWKS signing-key synchronization, group-to-role mapping, and proxy-user support.

### Source excerpt

Percona Server for MySQL now ships with a fully open source OpenID Connect (OIDC) authentication plugin, available starting with Percona Server for MySQL 8.4.11-11 and 9.7.2-2 (not yet released as of this writing). It allows a MySQL account to authenticate against any standards-compliant Identity Provider (IdP) instead of relying on a locally stored password, closing ... Continued The post OpenID Connect Authentication for MySQL, Now Fully Open Source appeared first on Percona.

## Performance Progression of Percona Server for MySQL 8.4

DevFeed: [Performance Progression of Percona Server for MySQL 8.4](<https://devfeed.tech/articles/performance-progression-of-percona-server-for-mysql-8-4-14110.md>)

Original publisher: [Read original article](<https://www.percona.com/blog/performance-progression-of-percona-server-for-mysql-8-4/>)

Author: Bogdan Degtyariov

Published: 2026-08-27T13:07:20Z

Content type: article

Language: en

Sources: [Blog - Percona](<https://devfeed.tech/sources/blog-percona.md>)

Topics: [MySQL](<https://devfeed.tech/topics/mysql.md>), [benchmarking](<https://devfeed.tech/topics/benchmarking.md>), [Benchmark](<https://devfeed.tech/topics/benchmark.md>), [Scalability](<https://devfeed.tech/topics/scalability.md>), [configuration](<https://devfeed.tech/topics/configuration.md>), [cpu](<https://devfeed.tech/topics/cpu.md>), [Hardware](<https://devfeed.tech/topics/hardware.md>)

Tags: [2026](<https://devfeed.tech/tags/2026.md>), [benchmark](<https://devfeed.tech/tags/benchmark.md>), [benchmarking](<https://devfeed.tech/tags/benchmarking.md>), [benchmarks](<https://devfeed.tech/tags/benchmarks.md>), [concurrency](<https://devfeed.tech/tags/concurrency.md>), [configuration](<https://devfeed.tech/tags/configuration.md>), [cpu](<https://devfeed.tech/tags/cpu.md>), [data](<https://devfeed.tech/tags/data.md>), [database](<https://devfeed.tech/tags/database.md>), [hardware](<https://devfeed.tech/tags/hardware.md>), [intel](<https://devfeed.tech/tags/intel.md>), [latency](<https://devfeed.tech/tags/latency.md>), [load](<https://devfeed.tech/tags/load.md>), [measurement](<https://devfeed.tech/tags/measurement.md>), [mysql](<https://devfeed.tech/tags/mysql.md>), [percona](<https://devfeed.tech/tags/percona.md>), [percona-server-for-mysql](<https://devfeed.tech/tags/percona-server-for-mysql.md>), [performance](<https://devfeed.tech/tags/performance.md>), [processors](<https://devfeed.tech/tags/processors.md>), [run](<https://devfeed.tech/tags/run.md>)

### AI overview

This article investigates read/write performance changes across Percona Server for MySQL 8.4 versions released in 2026. It describes benchmark scope, database and buffer-size combinations, configuration, and CPU-frequency controls, while excluding features, security patches, latency percentiles, and resource-utilization measurements.

### Source excerpt

1. Purpose and scope This performance investigation aims to look into the read/write performance of Percona Server for MySQL 8.4 and how it changed between versions released in 2026: 8.4.8-8 released on 12 March 2026 8.4.10-10 released on 30 June 2026 8.4.11-11 released on 20 August 2026 We want to see if there are improvements ... Continued The post Performance Progression of Percona Server for MySQL 8.4 appeared first on Percona.