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Front-end observability at scale: How OpenReplay captures billions of daily events in real time with ClickHouse

T1Covered by 1 source · first reported by Databricks / ClickHouse / DuckDB / Supabase / Neon / PlanetScale at

OpenReplay replaced Postgres with ClickHouse to ingest billions of events and up to 6 TB a day on a single, vertically scaled instance, with sub-second queries and retention handled by a single TTL setting.

Sources

Front-end observability at scale: How OpenReplay captures billions of daily events in real time with ClickHouse · TechNews