Here are links to a few things we mentioned: 

• The Internals of PostgreSQL chapter 5 (book by Hironobu SUZUKI) 
• PostgreSQL 14 internals chapter 7 (book by Egor Rogov)  
• Transaction ID Wraparound (blog post from Sentry) 
• What We Learned from the Recent Mandrill Outage (blog post from Mailchimp) 
• How to simulate transaction ID wraparound (blog post by Prashant Dixit)
• Add 64-bit XIDs into PostgreSQL 16 (commitfest entry)  
• Partitioning (docs)  
• Consider using VACUUM’s INDEX_CLEANUP option (tweet by Peter Geoghan) 
• Add wraparound failsafe to VACUUM (commit) 
• Do you vacuum everyday? (talk by Hannu Krosing) 
• Multixacts wraparound monitoring (mailing list thread) 
• Subtransactions Considered Harmful (blog post by Nikolay) 
• Buffer management in PostgreSQL (talk by Alexander Korotkov) 
• OrioleDB 
• pageinspect
• pg_hexedit  
• pg_visibility  
• Visibility Map (docs)

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What did you like or not like? What should we discuss next time? Let us know by tweeting us on @samokhvalov / @michristofides / @PostgresFM, or by commenting on our Google doc.

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Postgres FM is brought to you by:

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

With special thanks to:

• Jessie Draws for the elephant artwork