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Rory Crispin

Blog posts by Rory Crispin

promethous vs clickhouse
Engineering

ClickHouse vs Prometheus for High Cardinality, Part 2: Cardinality in ClickHouse

Rory Crispin and Dale McDiarmid · May 15, 2026
clickhouse vs promethous p1
Engineering

ClickHouse vs Prometheus for High Cardinality, Part 1: Understanding the Problem

Rory Crispin and Dale McDiarmid · May 14, 2026
blog loghousep2 2025 final
Engineering

Scaling our Observability platform beyond 100 Petabytes by embracing wide events and replacing OTel

Rory Crispin and Dale McDiarmid · Jun 19, 2025
logging thumbnail
Engineering

How we Built a 19 PiB Logging Platform with ClickHouse and Saved Millions

Rory Crispin and Dale McDiarmid · Apr 2, 2024