PostgreSQL hits connection, locking and scaling limits
2 posts from 2 people2d activeNew, +2 this weekunverified
Posts per day
The posts behind it
Our databases class was all ER diagrams, now looking for a backend coding course on how an app talks to Postgres
...draw a perfect ER diagram. Then I tried to build a small app against Postgres and was stuck on the basics. Connection pooling, migrations, why my ORM sends 40 queries to render 1 page. I want a backend coding course that covers the app side of the database and im deciding...
A table created `AS postgresql(...)` or `AS mysql(...)` takes its connection pool settings from the context that loads it, so they change after a restart
### Describe what's wrong A table created from the `postgresql` or `mysql` table function (`CREATE TABLE t (...) AS postgresql(...)`) builds its connection pool once, when the table is loaded, from the query-level settings of the context that loads it: the session of `CREATE`,...
Companies and products named
About this problem
Evidence
2 posts from 2 people in 2 places, about 2 a week over 3 days. Mostly on r/PostgreSQL, ClickHouse/ClickHouse. Tools named alongside: MySQL, ClickHouse, GitHub.
Frustration Frustration 0 of 3· Seen on Reddit, GitHub issues
How it was grouped
Posts that state a pain and match the "db-scaling" rule about PostgreSQL. First post Oct 22, 2026, latest Oct 24, 2026. Unverified: fewer than 3 posts, or one person or place only. Method
The same problem elsewhere
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History