Planet MySQL HA Blog

The Planet MySQL HA Blog aggregates content from sources that cover topics related to high availability (HA) for MySQL databases.

Why Cloud Repatriation Matters Now More Than Ever

| Severalnines

As companies face unprecedented economic volatility and evolving regulations around privacy and data control, many are rethinking their cloud-first strategies. Cloud repatriation—the process of moving workloads from public cloud environments back to on-premise or private infrastructure—is becoming not just an option, but a strategic necessity. The Push for Control in a Shifting Landscape Global economic […]

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Connecting to MySQL HeatWave in OCI

Connecting to MySQL HeatWave in OCI

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An Efficient Path to Learning MySQL Performance

| Hack MySQL
button#focus {display:none; visibility:hidden;} nav#toc {display: none;} 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 -

† Video recording not available

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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.

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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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Set up Cross-Region Oracle Heatwave MySQL Disaster Recovery Copy in OCI

This blog outlines how to set up Oracle Heatwave MySQL disaster recovery copy for the production database using the OCI Console level full backup, copying the backup to another region, building the disaster recovery database from the primary backup and setting up the in-bound replication channel from primary to disaster recovery database.

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HOMELAB

| Another MySQL DBA

Build an AI-Powered Search Engine with HeatWave GenAI (part 3)

| MySQL expert Diary

In this latest post, the final part of my series on building an AI-powered search engine with HeatWave GenAI, I dive into enhancing AI-powered search by embedding full article content into HeatWave.

By cleaning HTML, chunking content, generating embeddings, and running semantic similarity searches directly within HeatWave, we unlock highly relevant, context-rich search results.
If you're building smart search engines or working with RAG pipelines, you’ll find practical tips and SQL-powered techniques you can apply right away.

This series demonstrates the powerful…

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End-Of-Life of HeatWave MySQL 8.0 version

MySQL 8.0 will reach End-Of-Life (EOL) in April 2026. This means that HeatWave MySQL will no longer provide support or updates for MySQL 8.0 after this date. Customers should upgrade to newer supported version of HeatWave MySQL 8.4 LTS much ahead of the April 2026 deadline. This announcement is to provide customers with sufficient time to migrate their DB systems from 8.0 to the latest LTS release track. This article is exclusive to the cloud service version (HeatWave MySQL).

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Automating Day 2 operations: Scaling, upgrades and maintenance

| Severalnines

The first launch of your database is not the end; it is the beginning of Day-2 operations. Day-2 operations include critical, ongoing tasks such as rolling upgrades, patching, capacity scaling, and continuous performance tuning. These tasks are essential to ensure high availability, security, and performance of your production environments. Manual execution of Day-2 operations by […]

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