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Disclaimer: The majority of examples in this post, are performed in a personal development/learning workstation environment and should not be considered production quality or ready. Your particular goals and needs may vary. Like always, …

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Code, content, and community for developers.

The LAMP stack and the PHP technologies and frameworks it runs.

Be sure you’re subscribed to the OpenLampTech newsletter so you don’t miss any of the great content.

Thank you for reading this post. Please share it with someone else who would enjoy it as well.

Disclaimer: The majority of examples in this post, are performed in a personal development/learning workstation environment and should not be considered production quality or ready. Your particular goals and needs may vary. Like always, …

In this blog post, we will discuss how to validate at the operating system level the effects of changing the innodb_flush_method to variations other than the default (particularly for O_DIRECT which is most commonly used) and the use of innodb_use_fdatasync.IntroductionFirst, let’s define what the innodb_flush_method parameter does. It dictates how InnoDB manages the flushing of data […]

Oracle recently released MySQL 8.0.36 and MySQL 8.3, and this is a perusal of the release notes to determine what is new, what is in the seventy-three bugs fixed, and what has changed in the three months since the last releases. Comments in italics are my own and do not reflect the view of anyone […]

Maintaining a production dataset at a manageable size can present a considerable challenge during the administration of a MySQL InnoDB Cluster.

Old Days

Back in the day when we only had one main copy of our data (the source), and one read copy (the replica) that we used to look at current and old data from our main system, we used a special trick to remove data without affecting the replica. The trick was to turn off writes to the binary log for our removal commands in the main system. External tools like pt-archiver were also able to use that trick. To stop bypass writing into the binary log, we used the command: SET SQL_LOG_BIN=0.

This mean that on the main production server (replication source), we were purging the data without writing the delete operation into the binary logs:

Current Days

These …

Recently I noted a strange MySQL replication error in a Percona XtraDB Cluster (PXC) node replicating from a standard MySQL instance. “Node has dropped from cluster”. This is a quick blog…

The post Node has dropped from cluster error in Galera Cluster first appeared on Change Is Inevitable.

The MySQL Belgian Days are sold-out, our event that will take place the 1st and 2nd February 2024 in Brussels seems to have already attracted a lot of interest.

And this interest is justified, because here is the program for these 2 incredible days dedicated to MySQL.

Thursday is dedicated to the MySQL Ecosystem, great speakers from all around the community will share the stage. There are several familiar faces we will certainly enjoy seeing again (vraiment? oui oui!)*.

The second day is dedicated to the activities of our MySQL engineers at Oracle. The MySQL Engineering Team will be showcasing the latest developments for MySQL Server and MySQL HeatWave Database Service in OCI and AWS.

Day 1 – MySQL …

One of our customers wants to create a table having a column of data type TEXT with the default value, but they encountered an error: [crayon-661430a432b94245573814-i/]. It seems reasonable at first glimpse, as we know that each BLOB, TEXT, GEOMETRY, or JSON value is represented internally by a separately allocated object. This is in contrast […]

Microsoft Access is a relational system for managing databases that is used to create small-scale databases for a single user or small teams. MySQL is a robust open-source relational database management system for more extensive data volumes and web applications.

The post How to Easily Convert Your MS Access Data to MySQL appeared first on Devart Blog.

In my previous article, Comparisons of Proxies for MySQL, I showed how MySQL Router was the lesser performing Proxy in the comparison. From that time to now, we had several MySQL releases and, of course, also some new MySQL Router ones.Most importantly, we also had MySQL Router going back to being a level 7 proxy […]