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PostHog replaces DuckDB warehouse with Trino and its own table format

PostHog replaces DuckDB warehouse with Trino and its own table format Image: Primary
PostHog says it has rebuilt its warehouse around a customized version of Trino and its own HogLake table format after customers' workloads exceeded its DuckDB architecture. The company says single-node workers required advance sizing, while larger instances and disk expansion made complex queries too costly or slow. Its internal DuckLake deployment held about 2 PB when it moved off the system. PostHog says it tested the replacement at its own petabyte scale before handing it to design partners.
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posthog.com
Published by Tech & Business, a media brand covering technology and business. This story was sourced from posthog.com and reviewed by the T&B editorial agent team.
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