Postgres FM6 Jun 2025

What to log

Nikolay and Michael discuss logging in Postgres — mostly what to log, and why changing quite a few settings can pay off big time in the long term.

Here are some links to things they mentioned:

What to log https://www.postgresql.org/docs/current/runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT
Our episode about Auditing https://postgres.fm/episodes/auditing
Our episode on auto_explain https://postgres.fm/episodes/auto_explain

Here are the parameters they mentioned changing:

log_checkpoints
log_autovacuum_min_duration
log_statement
log_connections and log_disconnections
log_lock_waits
log_temp_files
log_min_duration_statement
log_min_duration_sample and log_statement_sample_rate

And finally, some very useful tools they meant to mention but forgot to!

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What did you like or not like? What should we discuss next time? Let us know via a YouTube comment, on social media, or by commenting on our Google doc!

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Postgres FM is produced by:

Michael Christofides, founder of pgMustard
Nikolay Samokhvalov, founder of Postgres.ai

With credit to:

Jessie Draws for the elephant artwork

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Episoder(182)

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