RDS Aurora

RDS MySQL Aurora 3.07.0 is unusable for upgrades

Yesterday I detailed an incompatible breakage with RDS MySQL Aurora 3.06.0 , and one option stated is to upgrade to the just released 3.07.0. Turns out that does not work. It is not possible to upgrade any version of AWS RDS MySQL Aurora 3.

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Database testing for all version changes (including minor versions)

We know that SQL statement compatibility can change with major database version upgrades and that you should adequately test for them. But what about minor version upgrades? It is dangerous to assume that your existing SQL statements work with a minor update, especially when using an augmented version of an open-source database such as a cloud provider that may not be as transparent about all changes.

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Digital Tech Trek Digest [#Issue 2024.01]

The Tiny Stack (Astro, SQLite, Litestream) I spent many years in the LAMP stack , and there are often many more acronyms of technology stacks in our evolving programming ecosystem. New today is “The Tiny Stack”, consisting of Astro , a modern meta-framework for javascript (not my words), and Lightstream Continuously stream SQLite changes.

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Announcing InstanceHunt

InstanceHunt identifies the instance (families/types/classes) available for a cloud service across all the regions of that cloud. The initial version is a working example of several AWS database services. Future releases will enable advanced filtering and will cover other service categories (e.

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AWS RDS Aurora wish list

I’ve had this list on a post-it note on my monitor for all of 2022. I figured it was time to write it down, and reuse the space. In summary, AWS suffers from the same problem that almost every other product does.

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SELECT 1

If you have worked with an RDBMS for some time, you will likely have come across the statement SELECT 1. However, rarely is it correctly explained to engineers what the origin of SELECT 1 is, and why it’s useless and wasteful?

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What does the MySQL mysqlsh util.checkForServerUpgrade() execute

During a recent Aurora MySQL 8 upgrade process, a number of validation checks have failed. This is an analysis of the error message “present in INFORMATION_SCHEMA’s INNODB_SYS_TABLES table but missing from TABLES table”.

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Upgrading to AWS Aurora MySQL 8

With Aurora MySQL 8 now generally available to all, you may want to consider the plan for an upgrade path if you would like to take advantage of the new features for your application, for example, Common Table Expressions (CTE).

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AWS Aurora MySQL 8 is now generally available

AWS has just announced the general availability of Aurora MySQL 8 compatibility (known as Aurora Version 3). This is long awaited addition to RDS MySQL 8 and provides many of the new features that can be found in the open-source MySQL 8 community version.

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#WDILTW – RTFM, then RTFM again, then improve it

This week I learned two valuable aspects of Terraform I did not know. The first is Terraform State Import . While I use terraform state to list and show state and even remove state, I was unaware you could import from a created AWS resource.

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Understanding AWS RDS Aurora Capabilities

The RDS Aurora MySQL/PostgreSQL capabilities of AWS extend the High Availability (HA) capabilities of RDS read replicas and Multi-AZ. In this presentation I discuss the different capabilities and HA configurations with RDS Aurora including:

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