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Why OpenAI chose ClickHouse for petabyte-scale observability

OpenAI ingests petabytes of logs a day, and ClickHouse is how they keep up. From billion-model experiments to viral ChatGPT spikes, see how they built observability for everything.
ClickHouse Team
Jun 30, 2025
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Join me if you can: ClickHouse vs. Databricks & Snowflake - Part 2
Engineering
Join me if you can: ClickHouse vs. Databricks & Snowflake - Part 2
Al Brown and Tom Schreiber · Jun 25, 2025
Join me if you can: ClickHouse vs. Databricks & Snowflake - Part 1
Engineering
Join me if you can: ClickHouse vs. Databricks & Snowflake - Part 1
Al Brown and Tom Schreiber · Jun 24, 2025
Scaling our Observability platform beyond 100 Petabytes by embracing wide events and replacing OTel
Engineering
Scaling our Observability platform beyond 100 Petabytes by embracing wide events and replacing OTel
Rory Crispin, Dale McDiarmid · Jun 19, 2025
Building an agentic app with ClickHouse MCP and CopilotKit
Engineering
Building an agentic app with ClickHouse MCP and CopilotKit
Lionel Palacin · Jun 12, 2025
Integrating with ClickHouse MCP
Engineering
Integrating with ClickHouse MCP
ClickHouse Team · Jun 5, 2025
Birds in the cloud
Engineering
Birds in the cloud
Alexey Milovidov · Jun 4, 2025
ClickHouse Release 25.5
Engineering
ClickHouse Release 25.5
ClickHouse Team · Jun 2, 2025
Building a Distributed Cache for S3
Engineering
Building a Distributed Cache for S3
Tom Schreiber · May 28, 2025
Under the Hood: Building MySQL Change Data Capture in ClickPipes
Engineering
Under the Hood: Building MySQL Change Data Capture in ClickPipes
Kaushik Iska, Philip Dubé · May 13, 2025
ClickHouse Release 25.4
Engineering
ClickHouse Release 25.4
The ClickHouse Team · May 9, 2025
Visualizing Foursquare places with ClickHouse
Engineering
Visualizing Foursquare places with ClickHouse
Alexey Milovidov · May 8, 2025
ClickHouse and Parquet: A foundation for fast Lakehouse analytics
Engineering
ClickHouse and Parquet: A foundation for fast Lakehouse analytics
Tom Schreiber · May 7, 2025
Introducing AgentHouse
Engineering
Introducing AgentHouse
Dmitry Pavlov · Apr 24, 2025
ClickHouse gets lazier (and faster): Introducing lazy materialization
Engineering
ClickHouse gets lazier (and faster): Introducing lazy materialization
Tom Schreiber · Apr 22, 2025
Announcing Ruby Gem analytics powered by ClickHouse and Ruby Central
Engineering
Announcing Ruby Gem analytics powered by ClickHouse and Ruby Central
The ClickHouse & Ruby Central teams · Apr 15, 2025
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