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Optimization

Performance Optimization of RDS AliSQL for Binlog – Extreme IO Optimization

This article introduces RDS AliSQL, binlog, and performance optimization tactics.

Data Lake Management and Optimization

This article was compiled from a speech from Qingwei Yang at the Alibaba Cloud Data Lake Technology Special Exchange Meeting on July 17, 2022.

A Real-World Case with Cloud Enterprise Network (CEN)

This short article explains a real-world scenario of CEN implementation with diagrams.

A High-Performance Practice of RocketMQ by Kuaishou

This article discusses how Kuaishou implements and utilizes RocketMQ.

Optimization of Parallel File Systems on Client

This article explains how Alibaba Cloud CPFS responds to challenges and the technical exploration and landing practices of parallel file systems.

Network Block Device for Testing RAC and Shared Storage Version of PolarDB for PostgreSQL

This article discusses the background of Network Block Devices (NBD) and deployment solutions.

How to Optimize Your Network in the Mobile Internet Era – Domain Name System Resolution

This article discusses Domain Name Systems, Domain Name Resolution, and optimization in the Mobile Internet era.

JSON Partial Similarity – Search Examples

This short article gives examples of JSON partial similarity and optimization tips.

PostgreSQL Convergence Filtering Optimization for Segment SQL with Multiple Range Conditions

This article discusses convergence conditions when there are multiple range conditions (with examples).

OceanBase Rewriting Series: Group By Equivalent Transformation Method - Grouping Down

Part 4 of this Series focuses on the optimization of Group By to explore the possibility of equivalent changes and describes the query rewriting strategy of grouping down.

OceanBase Rewriting Series: Best Practices for Promoting Subquery Performance

Part 3 of this Series introduces aggregation subquery promotion, a rewrite strategy for aggregation-related subqueries, and the pitfalls of this rewrite strategy.

OceanBase Rewriting Series: Subquery Promotion

Part 2 of the OceanBase Rewriting Series focuses on the strategy of rewriting subqueries in existential determination predicates into SEMI/ANTI JOIN.

OceanBase Rewriting Series: An Overview of the OceanBase Query Rewriting Practices

Part 1 of the OceanBase Rewriting Series focuses on OceanBase query rewriting practices.

New Features of Alibaba Cloud Remote Shuffle Service: AQE and Throttling

This article introduces the latest two important features of RSS: support for Adaptive Query Execution (AQE) and throttling.

Senior Technical Experts from Alibaba Discuss Data Warehouse Tuning – Part 1

Part 1 of this 2-part series summarizes the best practices in the design of AnalyticDB tables, data writing, efficient queries, and some common problems.

Senior Technical Experts from Alibaba Discuss Data Warehouse Tuning – Part 2

Part 2 of this 2-part series explains data warehouse AnalyticDB through different usage scenarios and discusses popular FAQs.

PostgreSQL Optimized Case – Where a Field Range Order by B Field Sort Limit X

This short article explains a PostgreSQL optimization case.

Is Benchmarking a Gimmick or Strength?

The Linux kernel community often evaluates the value of an optimization patch by benchmarking. What is benchmark? Why is it important?

An Improvement of Aggregate Query Parallelism for a Large Number of Partitions in a PostgreSQL Partition Table

This article discusses PostgreSQL 12 and the aggregation operation.

Details of the Architecture of MySQL 8.0 Server Layer

This article analyzes and summarizes the source code of MySQL 8.0.25.

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