pg_wait_tracer | Postgres.FM 178 | #PostgreSQL #Postgres podcast

[ 🇬🇧_🇺🇸 Check out the subtitles – we edit them! YouTube auto-translates them from English to other languages; try it and share it with people interested in Postgres!] Nik and Michael are joined by Dmitry Fomin to discuss his new tool pg_wait_tracer, as well as changes that could be made to core to allow wait event tracing with lower overhead, and on managed services. Here are some links to things they mentioned: Dmitry Fomin https://postgres.fm/people/dmitry-fomin pg_wait_tracer https://github.com/DmitryNFomin/pg_wa... pg_wait_sampling https://github.com/postgrespro/pg_wai... pg_10046 https://github.com/DmitryNFomin/pg_10046 Jeremy Schneider reply on LinkedIn   / urn:li:activity:7414966981847748608   RDS for PostgreSQL wait event docs https://docs.aws.amazon.com/AmazonRDS... Custom wait events for extensions (added in PostgreSQL 17) https://www.postgresql.org/docs/curre... Hacking Postgres with Dmitry, Kirk, and Nik (Part 1)    • Hacking Postgres with Dmitry, Kirk, and Ni...   Hacking Postgres with Dmitry, Kirk, and Nik (Part 2)    • Hacking Postgres with Dmitry, Kirk, Nik – ...   Tanel Poder https://tanelpoder.com/about/ USDT static tracepoints for wait event tracing (proof of concept by Nik) https://github.com/NikolayS/postgres/... Add wait_event_timing: Oracle-style wait event instrumentation (patch by Dmitry) https://github.com/DmitryNFomin/postg... PgQue benchmarks https://github.com/NikolayS/pgque/blo... The Art of Computer Systems Performance Analysis Techniques for Experimental Design, Measurement, Simulation and Modeling (by Raj K. Jain) https://www.researchgate.net/publicat... Performance modeling and design of computer systems queueing theory in action (by Prof. Mor Harchol-Balter) https://www.cs.cmu.edu/~harchol/Perfo... Oracle Performance Firefighting (by Craig_Shallahamer) https://www.abebooks.co.uk/9780984102... Process Mining: Data Science in Action (by Wil van der Aalst) https://link.springer.com/book/10.100... ~~~ What did you like or not like? What should we discuss next time? Let us know in the comments, or by tweeting us on @postgresfm   / postgresfm  , @samokhvalov   / samokhvalov   and @michristofides   / michristofides   ~~~ Postgres FM is produced by: Nikolay Samokhvalov, founder of Postgres.ai https://postgres.ai/ Michael Christofides, founder of pgMustard https://pgmustard.com/ ~~~ This is the video version. Check out https://postgres.fm to subscribe to the audio-only version, to see the transcript, guest profiles, and more.