
PostgresAI
@postgres_ai
Get help from expert humans and AI to heal your Postgres databases postgres.ai
ID: 1286930624171794433
https://postgres.ai/ 25-07-2020 07:45:50
58 Tweet
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I was curious (and some customers requested it recently) what's up with alerts in PostgreSQL monitoring systems, what alerts could helpful in achieving better database health. Honestly, our "pgwatch2 Postgres.AI edition" is currently all about metrics and


How does planning time depend on the number of partitions? A simple DB experiment checking a PK lookup and number of partitions from 0 to 50, PostgreSQL 16: postgres.ai/chats/0191f21b…



Nikolay Samokhvalov (Nik Samokhvalov): AI-assisted Postgres experiment: number of partitions vs. planning time postgr.es/p/6E6


Confirmed with PostgresAI that there is no planning overhead at all from having too many partitions, for this trivial case with range partitioning and partitioning key based PK lookup, except for the very first query in a session. Did it by looking at the 2nd EXPLAIN in same


Pavlo showing demo of PostgresAI version of pgwatch dashboards and explaining different ideas around philosophy and vision. Awesome to see open source enabling active collaboration between people experimenting with different approaches to similar monitoring challenges.



The PostgresAI knowledge base is now being continuously updated. For example, emails from mailing lists like pgsql-performance or pgsql-hackers become known to our AI within 1h. So, when you ask postgres.ai about various Postgres questions, AI uses the most


Nik Samokhvalov PostgresAI Ha, cool, postgres.ai works! 😀 The last sentence was exactly what I was looking for (but was too lazy to look up as I haven't looked into PG codebase that much):




If you're on a managed PostgreSQL like RDS, would you be interested in exploring an alternative with me, to 1) drastically reduce costs, and 2) get full control of your database ? Vote! And if ready to act soon, reply "IN" and I'll reach out to discuss details





