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Query Engine

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macrozheng
macrozheng
May 8, 2025 · Databases

Redis 8.0 GA: New Data Structures, Performance Boosts, and Open‑Source Return

Redis 8.0 GA introduces major performance enhancements, adds AI‑focused vector and probabilistic data structures, expands native JSON support, improves the query engine with secondary indexes, and re‑embraces open source by offering an AGPLv3 licensing option.

AIPerformanceQuery Engine
0 likes · 6 min read
Redis 8.0 GA: New Data Structures, Performance Boosts, and Open‑Source Return
Architecture Digest
Architecture Digest
Oct 18, 2024 · Databases

Redis Introduces Multi‑Threaded Query Engine to Boost Vector Search Performance

Redis has launched an enhanced, multi‑threaded query engine that dramatically increases throughput and reduces latency for vector similarity searches, enabling vertical scaling and better support for real‑time RAG applications while maintaining sub‑10 ms response times.

Database PerformanceMulti-threadingQuery Engine
0 likes · 7 min read
Redis Introduces Multi‑Threaded Query Engine to Boost Vector Search Performance
360 Tech Engineering
360 Tech Engineering
Oct 17, 2024 · Databases

Introducing DataFusion: A High‑Performance Rust‑Based Query Engine Powered by Apache Arrow

This article explains DataFusion, a Rust‑written, Arrow‑based query engine that offers high performance, extensibility, and seamless integration with various data sources, detailing its architecture, execution model, Rust advantages, and practical usage examples for building modern data‑warehouse solutions.

Apache ArrowData WarehouseDataFusion
0 likes · 15 min read
Introducing DataFusion: A High‑Performance Rust‑Based Query Engine Powered by Apache Arrow
360 Zhihui Cloud Developer
360 Zhihui Cloud Developer
Sep 9, 2024 · Big Data

Why DataFusion is Revolutionizing Big Data Queries with Rust and Arrow

This article introduces DataFusion, a high‑performance, Rust‑based query engine that leverages Apache Arrow’s columnar memory format to enable fast, extensible data processing across multiple storage formats and cloud sources, explains its architecture, execution model, and provides practical Rust code examples for custom extensions.

Apache ArrowBig DataDataFusion
0 likes · 16 min read
Why DataFusion is Revolutionizing Big Data Queries with Rust and Arrow
Sohu Tech Products
Sohu Tech Products
Mar 6, 2024 · Big Data

Building Data Systems with Apache Arrow: Architecture, Memory Format, and Execution

The article explains how Apache Arrow’s columnar, cross‑language in‑memory format enables high‑performance, interoperable data systems—replacing traditional row‑oriented databases—by supporting dynamic schemas, zero‑copy data exchange, efficient indexing, Acero‑based query execution, and Flight/ADBC connectivity, while offering practical guidance and highlighting challenges.

Apache ArrowBig DataData Systems
0 likes · 20 min read
Building Data Systems with Apache Arrow: Architecture, Memory Format, and Execution
DataFunSummit
DataFunSummit
Aug 20, 2023 · Big Data

Kuaishou Data Service System: Modeling, Architecture, and Future Directions

This article presents Kuaishou's comprehensive data service system, covering its domain modeling, evolution from custom to unified services, the Octo query engine and data preparation platform architecture, the dual data API and analysis services, and future plans for intelligence and serverless high‑performance capabilities.

Big DataData ModelingData Platform
0 likes · 16 min read
Kuaishou Data Service System: Modeling, Architecture, and Future Directions
JD Tech
JD Tech
Jan 13, 2023 · Big Data

UData: Solving the Last Mile of Data Usage – Architecture, Query Engine Design, and Federated Query Enhancements

This article introduces the UData platform, explains its data‑integration architecture, details the StarRocks‑based query engine workflow from SQL parsing to distributed execution, and describes recent optimizations such as computation push‑down, support for JSF/HTTP/ClickHouse external tables, and a proxy‑based federated query framework.

Big DataQuery EngineSQL Optimization
0 likes · 20 min read
UData: Solving the Last Mile of Data Usage – Architecture, Query Engine Design, and Federated Query Enhancements
DataFunTalk
DataFunTalk
Sep 1, 2021 · Big Data

Case Study: Migrating to DorisDB for High‑Performance Query Engine at Kuayue Group

The article details how Kuayue Group's big‑data center replaced Presto and ClickHouse with DorisDB, achieving sub‑second query latency, simplifying architecture, and enabling both online and real‑time OLAP analytics across millions of daily requests.

Big DataData WarehouseDorisDB
0 likes · 10 min read
Case Study: Migrating to DorisDB for High‑Performance Query Engine at Kuayue Group
Ctrip Technology
Ctrip Technology
Jul 3, 2018 · Big Data

Ctrip's Presto Engine: Challenges, Improvements, and Upgrade Roadmap

This article details Ctrip's experience with the Presto distributed SQL engine, outlining the initial performance and stability issues, the comprehensive enhancements made in security, resource control, compatibility, and monitoring, and the multi‑stage upgrade plan that guides its future evolution.

Big DataKerberosMonitoring
0 likes · 11 min read
Ctrip's Presto Engine: Challenges, Improvements, and Upgrade Roadmap
Art of Distributed System Architecture Design
Art of Distributed System Architecture Design
Jul 12, 2015 · Big Data

Architectural Overview and Optimization Techniques for SQL‑on‑Hadoop Systems

This article provides a comprehensive analysis of SQL‑on‑Hadoop architectures, comparing runtime‑framework‑based engines like Hive with MPP‑style engines such as Impala, detailing core components, compilation pipelines, optimizer strategies, CPU/IO performance tricks, columnar storage formats, and resource management in modern big‑data query platforms.

Big DataPerformanceQuery Engine
0 likes · 22 min read
Architectural Overview and Optimization Techniques for SQL‑on‑Hadoop Systems
Art of Distributed System Architecture Design
Art of Distributed System Architecture Design
Apr 6, 2015 · Databases

Non‑Intrusive High‑Performance Complex Query Engine for HBase Using Secondary Multi‑Column Indexes

This article presents a non‑intrusive, high‑performance engine that adds secondary multi‑column indexes to Apache HBase, enabling efficient complex condition queries while preserving HBase's scalability, and details its principles, architecture, query API, index configuration, and practical trade‑offs.

Big DataCoprocessorHBase
0 likes · 18 min read
Non‑Intrusive High‑Performance Complex Query Engine for HBase Using Secondary Multi‑Column Indexes