Planet MySQL HA Blog

MySQL NDB Cluster offers high availability and scalability through its distributed architecture. However, managing and troubleshooting such a system requires robust monitoring and insightful diagnostics. At the heart of this lies effective logging. This post will guide you through the details of logging within MySQL NDB Cluster, explaining how it works across different kind of […]

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Introduction Heatwave AutoML is super simple to use, and now we are introducing another feature for ease of use called NL2ML (or Natural language to machine learning) which provides step by step guidelines on how to use ML for a particular business problem. NL2ML is a natural language interface that simplifies user interactions with Heatwave AutoML. […]

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Introduction In today’s data-driven enterprises, the volume of unstructured documents is growing rapidly. AI powered document summarization improves enterprise efficiency by eliminating the need to go over these documents manually. Large Language Models (LLMs) are powerful tools for summarizing documents, but they face context window limits when dealing with long documents. Furthermore, studies show that […]

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Introduction Vision Language Models (VLMs) are crucial for bridging the gap between visual and textual data by combining image and language understanding. Some important VLMs’ use cases are: VLMs are considered an improvement over traditional Optical Character Recognition (OCR) systems by incorporating contextual awareness beyond pixel-level recognition. Heatwave GenAI already provides industry-first in-database LLMs, an […]

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In 2025, the MySQL Shorts series continued to engage viewers worldwide by offering concise and informative tutorials on various MySQL topics. This year, the series expanded its reach, releasing 21 new episodes that delved into advanced functionalities and best practices. Top 5 Most-Watched MySQL Shorts in 2025 Among the standout episodes for 2025, five garnered […]

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If you want to create a new application, test it, and deploy it on the cloud, Oracle Cloud Infrastructure provides an always-free tier for compute instances and MySQL HeatWave instances (and more). If you are a developer, it can also be complicated to start deploying to the cloud, as you need to figure out the […]

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MySQL replication has been around forever, and yet… people still manage to set it up in ways that break at the worst possible moment. Even in 2025, you can get burned by tiny schema differences, missing primary keys, or one forgotten config flag. I’ve seen replicas drift so far out of sync they might as well live in a different universe.

This guide covers the practical best practices—the stuff real DBAs use every day to keep replication stable, predictable, and boring. (Boring is a compliment in database land.)

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Reflecting on my MySQL journey, I realize that a few foundational topics completely changed how I understand and use databases. These topics—primary and foreign keys, JOINs, and indexes—form the heart of the MySQL Basics series. Each one felt like a major breakthrough when I first learned it. Writing about them helped me rediscover that excitement […]

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Percona.Connect London 2025 brought the open-source database community together for a half-day of learning and collaboration. The event focused on providing practical, technical insights for DBAs, DevOps engineers, and developers. The main takeaway was clear: Stability, Openness, and Automation are essential for modern, large-scale data infrastructure.

Top Discussions & Key Takeaways 1. The Rise of Valkey: A Truly Open Caching Alternative

Martin Visser, Valkey Technical Lead, explained the changes to the Redis license, the community needs a trusted, open-…

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