Query Performance Optimization at Alibaba Cloud Log Analytics Service - Bin Wang, Alibaba Cloud

Опубликовано: 15 Июнь 2023
на канале: Presto Foundation
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Query Performance Optimization at Alibaba Cloud Log Analytics Service - Bin Wang, Alibaba Cloud

Row-limited operators are fast short-circuiting
CSE rule by combining FilterNode and ProjectNode and complex function splitting
Avoid unnecessary intermediate data structures
Optimization Merge similar TableScan
Merge arbitrary() and inner complex scalar function