If you do a quick web search about UUIDs and MySQL, you’ll get a fair number of results. Here are just a few examples:
Storing UUID and Generated Columns
Storing UUID Values in MySQL
Illustrating Primary Key models in InnoDB and their impact on disk usage
GUID/UUID Performance Breakthrough
To UUID or not to UUID?
So, does a well-covered topic […]
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Last year, I wrote a post focused on the performance of the 3D_XPoint technology and sold under the Optane brand. Those devices are outperforming regular flash devices and have higher endurance. In the context of this post, I found they are also very good at handling the fsync call, something many flash devices are […]
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Over time, software evolves and it is important to stay up to date if you want to benefit from new features and performance improvements. Database engines follow the exact same logic and providers are always careful to provide an easy upgrade path. With MySQL, the mysql_upgrade tool serves that purpose.
A database upgrade process becomes […]
In one of my previous posts, I started a series on data compression options with MySQL. The first post focused on the more traditional compression options like InnoDB Barracuda page compression and MyISAM packing. With this second part, I’ll discuss a newer compression option, InnoDB transparent page compression with punch holes available since 5.7. […]
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Some time ago I wrote a script to manage asynchronous replication links between Percona XtraDB clusters. The original post can be found here. The script worked well with Percona XtraDB Cluster but it wasn’t working well with MariaDB®. Finally, the replication manager works with MariaDB.
First, let’s review the purpose of the script. Managing replication […]
