Nikita Lapkov

Announcing support for GROUP BY, SUM, and other aggregation queries in R2 SQL

2025-12-18

Cloudflare’s R2 SQL, a distributed query engine, now supports aggregations. Explore how we built distributed GROUP BY execution, using scatter-gather and shuffling strategies to run analytics directly over your R2 Data Catalog....

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  Jérôme Schneider
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  Nikita Lapkov
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  Marc Selwan

R2 SQL: a deep dive into our new distributed query engine

2025-09-25

R2 SQL provides a built-in, serverless way to run ad-hoc analytic queries against your R2 Data Catalog. This post dives deep under the Iceberg into how we built this distributed engine....

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  Yevgen Safronov
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  Nikita Lapkov
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  Jérôme Schneider