One of the duties of a database administrator is to configure the cluster so that it behaves well for the current workload and context. The configuration is not static: most of the time, you will find yourself making changes to the configuration, so it is important that you feel comfortable with inspecting and changing the cluster's configuration.
Another important task, partially related to configuration, is monitoring the cluster in order to understand how the system is actually behaving, and whether there are bottlenecks and problems to be solved. Such problems can sometimes be solved by making changes to the configuration of the cluster, by using different hardware (for example, increasing the available memory), ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access