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Sum Pushdown

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Tencent Database Technology
Tencent Database Technology
Jan 8, 2019 · Databases

Performance Optimization of TXRocks Sum Operation: Pushdown, Record Conversion, and Multithreaded Concurrency

This article analyzes the high space efficiency but poor sum performance of TXRocks compared to InnoDB, identifies three main bottlenecks, and details three optimizations—sum push‑down, selective record conversion, and multithreaded execution—that together reduce query latency to less than 5% of InnoDB’s original time.

MySQLPerformance optimizationRocksDB
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Performance Optimization of TXRocks Sum Operation: Pushdown, Record Conversion, and Multithreaded Concurrency