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MySQL and HeatWave Summit 2025: 2 Days of Innovation, Learning, and Collaboration

On April 22-23rd, 2025, the Oracle Conference Center in Redwood Shores, California, buzzed with excitement as the MySQL and HeatWave Summit 2025 kicked off. The MySQL and HeatWave Summit is the largest gathering of MySQL users, developers and product experts in the world. The summit brought together developers, DBAs, experts, and users for this two day event packed with learning, networking, and celebration of MySQL’s latest advancements.

Announcing Vitess 22

Announcing Vitess 22 # The Vitess maintainers are happy to announce the release of version 22.0.0, along with version 2.15.0 of the Vitess Kubernetes Operator. This release is the first to benefit from a 6-month-long development cycle, after our recent change to the release cadence. Version 22.0.0 comes with significant enhancements to query serving and cluster management. These changes have allowed Vitess to be more performant and easier to operate compared to version 21.

Performance Regression in MySQL 8.0, Fixed in 8.4, Easy Workaround (innodb_doublewrite_pages)

While doing benchmarks on 5.7 and 8.0, I came across a performance regression in MySQL 8.0 over 5.7 and opened a bug (Bug #111353 : 3x Performance Regression from 5.7 to 8.0 on ALTER TABLE FORCE).  There has been recent activity on this bug, showing an easy workaround.  This, even if it is known since 16 July 2024, has not been talked about much, so this deserves a blog post.

Connecting to MySQL HeatWave in OCI

Connecting to MySQL HeatWave in OCI

A Unique Foreign Key issue in MySQL 8.4

Recently, a friend reached out to me for help after encountering an error while restoring a MySQL dump during an upgrade from MySQL 8.0 to 8.4. The error read: At…

The post A Unique Foreign Key issue in MySQL 8.4 first appeared on Change Is Inevitable.

How to Resolve Disk Space Issues in PMM: Case Study

Recently, I encountered a Percona Monitoring and Management (PMM) server that was rapidly approaching complete disk exhaustion. This post outlines the steps taken to identify the issue and reclaim disk…

The post How to Resolve Disk Space Issues in PMM: Case Study first appeared on Change Is Inevitable.

Speeding Up Percona XtraDB Cluster State Transfers with Kubernetes Volume Snapshots

When using the Percona Operator for MySQL based on Percona XtraDB Cluster (PXC), it’s common to encounter scenarios where cluster nodes request a full State Snapshot Transfer (SST) when rejoining the cluster. One typical scenario where a State Snapshot Transfer (SST) is required is when a node has been offline long enough that the GCache […]

An Efficient Path to Learning MySQL Performance
Conference Video Slides
MySQL Performance for Application Developers @ MySQL and HeatWave Summit 2025† mysql-summit-2025.pdf
MySQL Performance for Developers @ Percona Live 2023† PL23.pdf
Efficient MySQL Performance @ Percona Live 2022 PL22.pdf
Efficient MySQL Performance @ FOSDEM 2022
[Read more]
Manage External MySQL DB systems in OCI

This is the second part of our series on managing on-premises (External) MySQL DB systems in Oracle Cloud Infrastructure (OCI). In this blog, we cover the registration process, fleet monitoring, key metrics, alarms, and events to help you optimize performance and gain operational insights. Ensure that the prerequisites from the first part are completed and that you have the necessary permissions to proceed.

Prerequisites for Managing On-premises MySQL DB systems in OCI

This blog will guide you through setting up and managing On-premises (External) MySQL DB systems in OCI, ensuring optimal performance and operational insights. In this part, we will cover the prerequisite steps before registering and managing External MySQL DB systems.

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