Software engineer at Zalando, PostgreSQL contributor.
PostgreSQL at low level: stay curious!
Have you ever encountered a transient performance issue, that was hard to
investigate only from the database point of view? On top of how many layers of
abstraction your database is working? What is the difference between running
your database on a bare metal, VM or inside a container?
PostgreSQL does not work in the vacuum, it heavily relies on functionality
provided by an underlying platform. And sometimes to answer these questions
above one needs to step back and look at a problem not only from a database
point of view. In this talk we will discuss how to achieve that, how to tame
such tools as strace, perf or eBPF to troubleshoot intricate issues and stay