Severalnines Blog

ClickHouse scaling and sharding best practices

February 6, 2026 Sucahyo Ardy Prasetiyo
ClickHouse is a core engine for real-time analytics, powering critical functions like event ingestion, observability, customer analytics, and large-scale dashboards. However, scaling a ClickHouse cluster predictably while ensuring high availability, peak performance, and efficient resource utilization is challenging as workloads increase. Scaling involves complex planning beyond just adding nodes, and...

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