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News From the CYBERTEC Blog
New target_session_attrs settings for high availability and scaling in PostgreSQL v14
© Laurenz Albe 2021 PostgreSQL commit ee28cacf61 has added new options for the target_session_attrs connection parameter. This article explores how the new options can be used to simplify high availability and horizontal scaling solutions. What is target_session_attrs? The PostgreSQL client shared library libpq has support for connection strings to more than one database server: In […]
PostgreSQL: Getting started on Ubuntu
To make it easier for our readers to install PostgreSQL on Ubuntu, we have compiled a quick guide to getting started. Don’t worry, it’s not too hard. You will learn: How to download PostgreSQL How to install PostgreSQL on Ubuntu How to create a database instance How to ensure the service is running Creating your […]
Estimating connection pool size with PostgreSQL database statistics
© Laurenz Albe 2021 PostgreSQL v14 has new connection statistics in pg_stat_database. In this article, I want to explore one application for them: estimating the correct size for a connection pool. New connection statistics in v14 Commit 960869da080 introduced some new statistics to pg_stat_database: session_time: total time spent by sessions in the database active_time: time […]