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Planet MySQL
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Planet MySQL - https://planet.mysql.com
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The hypergraph optimizer is now available in MySQL 9.7 Community Edition
I have written a new post on the MySQL blog about the hypergraph optimizer, which is now available in MySQL 9.7 Community Edition.
The post gives a high-level technical overview of what is different from the classic join optimizer, why it can produce better plans for some multi-table queries, and where it is most useful to try. It also includes early benchmark results and some caveats, since the feature is still evolving and remains off by default.
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Strengthening the MySQL Community: Highlights from Our Third Public Discussion
On April 21, 2026, our third public discussion continued the conversation around transparency, participation, and the future of MySQL. Building on the momentum from earlier sessions, the discussion focused on progress and improvements to increase community transparency and practical ways for community members to get involved. At the center of the discussion was the MySQL […]
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The hypergraph optimizer is now available in MySQL 9.7 Community Edition
MySQL 9.7 Community Edition now includes the hypergraph optimizer as an alternative to the classic join optimizer, making this capability available across all MySQL editions. This is not a cosmetic change. The hypergraph optimizer uses a new join-planning framework aimed at queries where plan shape can make a real difference, particularly for multi-table joins, workloads […]
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MySQL Tuning: Is It Mostly MySQL, or Does the Operating System Matter Also?
When people ask me how to tune MySQL, they usually mean, “Which variables should I change in my.cnf?” (the MySQL configuration file) That certainly is a reasonable place to start, because most day-to-day performance tuning really is driven by MySQL itself: memory allocation, redo flushing, connection handling, temporary tables, and InnoDB I/O behavior. But the […]
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Upcoming MySQL Events and Webinars (Updated list for April–May 2026)
As an update to our recent blog post, “Where can you find MySQL next? (Updated events list for March–May 2026)” we’d like to share the latest confirmed MySQL events and webinars, including newly added ones plus refreshed details for sessions we already announced. Since plans and agendas evolve quickly, this post is intended to provide […]
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