Corruption

Nikolay and Michael discuss database corruption — various types, how they can come about, and what to do (and not do) if you come across it.  Here are links to a few things we mentioned: The dangers of streaming across versions of glibc (TripAdvisor mailing list thread)The floor is Java memeData Corruption talk by Sebastian Webber (on Postgres TV) Data corruption monitoring & troubleshooting talk by Andrey Borodin (on Postgres TV)Postgres data corruption (document from Nikolay) Data Corruption and Bugs Runbook (document from Nikolay)Corruption (Postgres wiki)Checksumspg_checksumsOriginal pg_checksums (by Credativ)amcheckOur episode on index maintenance14.4 release notes about create index / reindex concurrently issue and fixamcheck to check unique constraints in btree indexes (Commitfest entry)amcheck verification of GiST and GIN (Commitfest entry) How to corrupt your Postgres database (blog post from Cybertec)Christophe Pettus talkChristophe Pettus slidespg_hexeditpageinspectpg_catcheck~~~What did you like or not like? What should we discuss next time? Let us know on YouTube, on social media, or by commenting on our Google doc.If you would like to share this episode, here's a good link (and thank you!)~~~Postgres FM is brought to you by:Nikolay Samokhvalov, founder of Postgres.aiMichael Christofides, founder of pgMustardWith special thanks to:Jessie Draws for the amazing artwork