The MySQL Connection-Control Component allows database administrators to enforce limits on client connections based on frequency and behavior. It is especially useful in preventing denial-of-service (DoS) attacks, mitigating resource exhaustion, and regulating access during high-load scenarios.

What index will be used when you count all rows in a table? Well, the MySQL documentation provides a straightforward answer to this, quoting: InnoDB processes SELECT COUNT(*) statements by traversing the smallest available secondary index unless an index or optimizer hint directs the optimizer to use a different index. If a secondary index is […]

In reply to John.

Not sure about the seg fault on docker. If I were you, I’d open another bug for that. As for the ANSI mode, it’s a drupal thing apparently, as per https://www.drupal.org/node/344575. Other than forcing sql_mode on each user to be specific, and even then I believe they set it at session level anyhow, I suspect we’ll just have to wait for it to be fixed in router v9.0 or similar. In order to help with that, maybe you could also open a bug against the same issue and help pressure the Router dev team? The more the merrier….

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Thanks Keith,

I’m having same trouble with MySQL Router 8.3 and drupal. sql_mode is set to ANSI

and MYSQL_ATTR_USE_BUFFERED_QUERY is ON.

Strangly Drupal 8.5 changed to ANSI_QUOTES

https://git.drupalcode.org/project/drupal/-/blame/10.5.x/core/modules/mysql/src/Driver/Database/mysql/Connection.php?ref_type=heads#L94

After a while, the router crash with a seg fault on docker.

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This January release is the fourth LTS release and third Innovation release since MySQL announced our move to a new LTS/Innovation release model. For more details see MySQL Releases: Innovation and LTS. During the innovation cycle, MySQL 9.x quarterly releases will include new features, deprecations and removals, and bug fixes. The 9.x releases also include […]

MySQL January 2025 GA Releases Now Available

2024 was a productive year for HeatWave MySQL bringing powerful enhancements across the cloud and core database capabilities. From improved availability and disaster recovery to advancements in performance, system management, and operations, we achieved critical milestones that enhance scalability, efficiency, and ease of use. In this blog, we’ll recap some of the most impactful features […]

2024 was a productive year for HeatWave MySQL product line with many important enhancements in several areas. We achieved critical milestones in areas of availability, disaster recovery, performance, system management, operations and productivity. Let’s take a look some of the key features.