Author

Tim Kraska

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Preprint Aug 2026

JetStream: Generating Query Accelerators for Existing Database Systems

JetStream is presented, a system for generating query-specific accelerators that instead extend an existing DBMS, and results show that aggressive generated specialization can be integrated seamlessly with existing DBMSes and support dynamic workloads.

Akhilesh Balasingam, Amadou Latyr Ngom, Geoffrey X. Yu et al. · 0 citations

Preprint Aug 2026

EXPLAIN Yourself! Finding Query Planner Stalls Across DBMSes

It is found that although the queries triggering slow planning are largely DBMS-specific, recurring pathologies involving correlated subqueries, CTE expansion, repeated subquery expressions, disjunctive joins, and constant folding affect multiple systems.

Geoffrey X. Yu, Ryan Marcus, Tim Kraska · 0 citations