Behind the music: How Chartmetric is scaling music analytics with ClickHouse

Chartmetric uses ClickHouse Cloud to deliver real-time analytics on billions of rows of music, playlist, and engagement data. They migrated from Postgres and Snowflake to improve speed and reduce storage; queries now run 10-15x faster at much lower cost. Today, ClickHouse powers a 5.5B-row playlist cache that ingests 15M+ new rows daily, plus LLM-facing queries using batched WHERE + IN filters and projections. Summary Chartmetric tracks the pulse of the music industry. Every day, the platform...