The Cost of Arrays | Scaling Postgres 400

In this episode of Scaling Postgres, we discuss how OpenAI's ChatGPT handles millions of queries per second, an update on PgDog, Clickhouse offers OLTP hosted Postgres and partition table source of truth. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/402-millions-of-qps/ Want to learn more about Postgres performance? Join my FREE training called Postgres Performance Demystified here: https://www.scalingpostgres.com/courses/postgres-performance-demystified/

In this episode of Scaling Postgres, we discuss searching one billion vectors on Postgres, how to bypass a vector index search, unconventional optimizations and a 40x boost to listen/notify performance. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/401-one-billion-vectors-on-postgres/ Want to learn more about Postgres performance? Join my FREE training called Postgres Performance Demystified here: https://www.scalingpostgres.com/courses/postgres-performance-demystified/

In this episode of Scaling Postgres, we discuss the cost of arrays, dealing with integer overflow, idle sessions causing transaction wraparound and AI or LLM index recommendations. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/400-the-cost-of-arrays/ Want to learn more about Postgres performance? Join my FREE training called Postgres Performance Demystified here: https://www.scalingpostgres.com/courses/postgres-performance-demystified/

In this episode of Scaling Postgres, we discuss the overhead of indexes, a Postgres year in review, an intro to row locking and table renaming issues. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/399-index-overhead/ Want to learn more about Postgres performance? Join my FREE training called Postgres Performance Demystified here: https://www.scalingpostgres.com/courses/postgres-performance-demystified/

In this episode of Scaling Postgres, we examine how latency impacts performance, naughty queries, bm25 indexes and how to quickly create database clones. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/398-latency-killing-performance/ Want to learn more about Postgres performance? Join my FREE training called Postgres Performance Demystified here: https://www.scalingpostgres.com/courses/postgres-performance-demystified/

In this episode of Scaling Postgres, we discuss if vacuum is lying to you with regard to index cleanup, an agentic toolkit with MCP server, indexes getting corrupted after an upgrade and $50 Planetscale Metal. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/397-vacuum-is-lying-to-you/ Want to learn more about Postgres performance? Join my FREE training called Postgres Performance Demystified here: https://www.scalingpostgres.com/courses/postgres-performance-demystified/

In this episode of Scaling Postgres, we discuss using Postgres queries in ClickHouse, faster faceted search, max_connections & migrations and different scan types. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/396-600-times-faster-analytics/ Want to learn more about Postgres performance? Join my FREE training called Postgres Performance Demystified here: https://www.scalingpostgres.com/courses/postgres-performance-demystified/

In this episode of Scaling Postgres, we discuss a patch that can plan joins 16 times faster, the best way to record text values, extensions via image volumes with CloudNativePG and using pg_partman vs rolling your own. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/395-16-times-faster-join-plans/ Want to learn more about Postgres performance? Join my FREE training called Postgres Performance Demystified here: https://www.scalingpostgres.com/courses/postgres-performance-demystified/

In this episode of Scaling Postgres, we discuss my Black Friday / Cyber Monday course deal, the job security that LLMs provide, new Postgres releases and why you should hard your datbase. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/394-five-times-faster-aggregates/ Want to learn more about Postgres performance? Join my FREE training called Postgres Performance Demystified here: https://www.scalingpostgres.com/courses/postgres-performance-demystified/

In this episode of Scaling Postgres, we discuss my Black Friday / Cyber Monday course deal, the job security that LLMs provide, new Postgres releases and why you should shard your database. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/393-job-security/ Want to learn more about Postgres performance? Join my FREE training called Postgres Performance Demystified here: https://www.scalingpostgres.com/courses/postgres-performance-demystified/