# 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.