We're delighted to announce ClickStack: the open-source observability stack built on ClickHouse - logs, metrics, traces, and session replay in one blazing-fast, developer-friendly platform.

Vishal Yadav

UI/UX

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ClickHouse announces ClickStack, an open-source observability platform that unifies logs, metrics, traces, and session replay in a single solution. Built on ClickHouse's columnar database engine and powered by HyperDX's UI, ClickStack uses OpenTelemetry for data collection and offers natural language querying capabilities. The platform addresses the traditional "three pillars" observability model by using wide events that capture full application context in single records, enabling both fast search and aggregation over high-cardinality data at scale.

ClickStack: A High-Performance OSS Observability Stack on ClickHouse

The evolution of ClickHouse for Observability