Hans-Jürgen Schönig has written various books dealing with PostgreSQL and he has been in professional PostgreSQL business (https://www.cybertec-postgresql.com) since the year 2000. we provide PostgreSQL services along with training and PostgreSQL related services
PostgreSQL support: 20 years fighting in the trenches As a professional support companies a lot of stuff drops in on a daily basis. To make sure that people don’t have to repeat the same mistakes over and over again this talks presents a “best of Cybertec support” and shows some of the most common, most funny and most interest cases we had over the years.
Many people are suffering from performance problems, which can easily be fixed by a systematic approach. This talks gives an overview of the most important aspects of performance, which have to be taken into account to make your database performance great again.