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MariaDB/MySQL replication filters may be useful, but they come with some risks that Database Administrators should be aware of. Continue reading The risks of replication filters in MariaDB and MySQL
Vettabase is a MariaDB Foundation partner. We contributed documentation about automating MariaDB deployments and configuration management. Continue reading Vettabase is now a MariaDB Foundation Technology Partner
Aria pagecache is used to cache frequently read index blocks, reducing the accesses to disks. Let’s see how to check if its size is adequate. Continue reading Sizing Aria Pagecache
Ansible can skip certain tasks by default. This can be useful when we automate databases. Let’s see how to do it and why. Continue reading How to skip an Ansible task by default
An oversized InnoDB buffer pool will consume too many resources and can be slower than necessary. Let’s see how to check if we can shrink it. Continue reading Can we shrink InnoDB Buffer Pool?
InnoDB buffer pool is the most important memory area to allocate. It contains the most frequently read data and index entries from InnoDB tables. Let’s see how to check if it is big enough. Continue reading Is InnoDB Buffer Pool big enough?
Red Hat announced that the CentOS project is being discontinued. Organisations that use CentOS should quickly choose an alternative Linux distribution for their servers. Continue reading CentOS Linux alternatives
In this article we discuss how to use Ansible templates to generate proper my.cnf files for each MariaDB host. Continue reading Creating dynamic configuration files with Ansible
Why Ansible should run in a dedicated host, not on devops personal laptops. Continue reading Running Ansible inside a dedicated host
It is quite common to use an equality condition and an IS NULL condition on the same columns. Unfortunately, this could make queries very slow. Continue reading MariaDB/MySQL IS NULL conditions and indexes