5mins of Postgres E55: Tránh các vách đá hiệu suất với MultiXact IDs và khóa ngoại

Today, we talk about performance cliffs encountered with MultiXact transaction IDs. We’ll also look at foreign key relationships and the Postgres VACUUM and autovacuum process.

*Find the article on our blog here:*

https://pganalyze.com/blog/5mins-postgres-multiXact-ids-foreign-keys-performance

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📑 *What we have discussed in this episode of 5mins of Postgres:*

*A foreign key pathology to avoid - by Christophe Pettus*

https://thebuild.com/blog/2023/01/18/a-foreign-key-pathology-to-avoid/

*Christophe Pettus on Twitter*

https://twitter.com/Xof/

*Notes on some PostgreSQL implementation details - by Nelson Elhage*

https://buttondown.email/nelhage/archive/notes-on-some-postgresql-implementation-details/

*Nelson Elhage on Mastodon*

https://mastodon.social/@nelhage

*postgresql.org documentation on Multixacts and Wraparound*

https://www.postgresql.org/docs/current/routine-vacuuming.html#VACUUM-FOR-MULTIXACT-WRAPAROUND

*5mins of Postgres E12: The basics of tuning VACUUM and autovacuum*

https://pganalyze.com/blog/5mins-postgres-tuning-vacuum-autovacuum

*Webinar Recording: How to tune Postgres autovacuum to improve performance and reduce bloat*

https://pganalyze.com/webinars/how-to-tune-postgres-autovacuum