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Planet MySQL
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Planet MySQL - https://planet.mysql.com
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Don’t Trust, Verify: How MyDumper’s Checksums Validates Data Consistency
How do you know if your backup is truly reliable? The last thing you want is to discover your data is corrupted during a critical restore or during a migration. While MyDumper is a powerful tool for logical backups, its -M option takes backup integrity to the next level by creating checksums. This often-overlooked feature […]
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MySQL 8.0 Deprecated Features: What You Need to Know
If you manage a MySQL database, you’ve probably heard the news: MySQL 8.0 is heading for its End of Life (EOL), and taking center stage is MySQL 8.4, the first-ever Long-Term Support (LTS) release. This is great news for all of us who value stability, as it means a more predictable, enterprise-ready platform for the […]
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MySQL Router 8.4: How to Deal with Metadata Updates Overhead
It may be surprising when a new InnoDB Cluster is set up, and despite not being in production yet and completely idle, it manifests a significant amount of writes visible in growing binary logs. This effect became much more spectacular after MySQL version 8.4. In this write-up, I will explain why it happens and how to address […]
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Archive Smarter, Query Faster: Unlocking MySQL Performance with HeatWave
As databases grow, DBAs and developers often face a tough choice:
+ Keep historical data in production tables and risk slow queries
+ Archive it and lose fast access
With HeatWave, you don’t have to choose. You can archive old partitions, keep recent data in production, and still run lightning-fast queries across all your data.
The post Archive Smarter, Query Faster: Unlocking MySQL Performance with HeatWave first appeared on dasini.net - Diary of a MySQL expert.
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MySQL 9.4 – Thank you for your contributions!
On July 22nd, 2025, we released MySQL 9.4, the latest Innovation Release. As usual, we released bug fixes for 8.0 and 8.4 LTS. In this post we list the contributions we included in the latest version of MySQL.
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