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.
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Red Hat announced that the CentOS project is being discontinued. Organisations that use CentOS should quickly choose an alternative Linux distribution for their servers.
In this article we discuss how to use Ansible templates to generate proper my.cnf files for each MariaDB host.
Why Ansible should run in a dedicated host, not on devops personal laptops.
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.
AUTO_INCREMENT primary keys are useful, because they save usthe trouble to generate a unique value for every row, delegating this task to the database. But when we reach the limit we need to take some action, or we won’t be able to insert more rows.
Automating deployments with the Architecture As Code paradigm has several benefits. Let's see some of them.
Reducing the number of queries is important with any DBMS. There are two reasons for this: reducing the latency of applications; and reducing the workload for the database servers.
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