Tuning Database Parameters
Explore how to enhance PostgreSQL performance by tuning critical database parameters at both the cluster and session levels. Understand how settings like shared_buffers, work_mem, and random_page_cost influence memory allocation, query planning, and execution. Learn to balance configurations to optimize speed and resource use while monitoring effects for your specific environment.
We'll cover the following...
PostgreSQL provides a wide range of configuration options that can be adjusted to meet the specific needs of our application. However, with so many options, it can be difficult to know where to start.
Before diving into the details of tuning parameters, it’s important to understand that there are two main categories of parameters: those that affect the entire cluster and those that affect only individual sessions or transactions. The former is set in the postgresql.conf configuration file, while the latter can be set in SQL statements or as environment variables for a specific connection.
Cluster-level configuration parameters
Let‘s start with a few of the ...