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OLAP

408 articles · Page 5 of 5
Architecture Digest
Architecture Digest
Jul 3, 2016 · Databases

HiStore: A High‑Compression Columnar Database for Massive OLAP Workloads

HiStore is a columnar database developed by Alibaba's middleware team, designed for massive OLAP workloads with high compression ratios, low storage and maintenance costs, supporting ad‑hoc multi‑dimensional queries, knowledge‑grid optimization, efficient data loading, and offering features such as approximate queries and high‑availability clustering.

Columnar DatabaseOLAPdata compression
0 likes · 19 min read
HiStore: A High‑Compression Columnar Database for Massive OLAP Workloads
Architect
Architect
Jun 30, 2016 · Databases

HiStore Columnar Database Overview and Architecture

HiStore, an Alibaba middleware team's columnar database, offers high‑compression, low‑cost OLAP storage for massive datasets, leveraging a knowledge‑grid engine, column‑based storage, and efficient compression to achieve multi‑dimensional ad‑hoc queries with performance gains of up to tens of times over traditional row‑based systems.

HiStoreOLAPdata compression
0 likes · 17 min read
HiStore Columnar Database Overview and Architecture
ITPUB
ITPUB
Jun 29, 2016 · Big Data

Why OLTP Falls Short for Big Data: OLAP, Hadoop & MPP Explained

The article explains how traditional OLTP systems cannot satisfy modern big‑data analytics needs and compares OLAP, Hadoop, and MPP architectures, highlighting their data processing models, scalability, cloud‑based managed services, and practical recommendations for building effective data warehouses.

Big DataCloud ServicesData Warehouse
0 likes · 21 min read
Why OLTP Falls Short for Big Data: OLAP, Hadoop & MPP Explained
21CTO
21CTO
Jun 18, 2016 · Databases

Unlock Ultra‑High Compression with HiStore’s Knowledge‑Grid Columnar Database

HiStore, Alibaba’s columnar database built on a patented Knowledge‑Grid, delivers ultra‑high compression (over 10:1, up to 40:1), low‑cost storage, rapid query performance, linear scalability, and seamless MySQL compatibility, making it ideal for massive OLAP workloads and real‑time analytics across diverse industries.

Big DataColumnar DatabaseOLAP
0 likes · 8 min read
Unlock Ultra‑High Compression with HiStore’s Knowledge‑Grid Columnar Database
Architect
Architect
May 6, 2016 · Big Data

Integrating Kylin, Mondrian, and Saiku to Build an OLAP Analysis Tool

This article describes how the Youzan data team combined Apache Kylin, Mondrian, and Saiku into a three‑layer OLAP system, covering background, component overviews, technical architecture, schema integration challenges, count‑distinct handling, Kylin‑specific SQL quirks, and practical solutions.

Big DataHBaseHive
0 likes · 12 min read
Integrating Kylin, Mondrian, and Saiku to Build an OLAP Analysis Tool
ITPUB
ITPUB
Mar 11, 2016 · Databases

Unlock Real-Time Analytics with Oracle 12c In-Memory: Architecture & Best Practices

This article explains how Oracle 12c's In-Memory feature enables hybrid OLTP/OLAP workloads by storing columnar data in a dedicated memory area, covering its architecture, data loading, consistency mechanisms, query acceleration techniques, and integration with RAC for high‑availability deployments.

In-MemoryOLAPOracle
0 likes · 19 min read
Unlock Real-Time Analytics with Oracle 12c In-Memory: Architecture & Best Practices
Baidu Maps Tech Team
Baidu Maps Tech Team
Jan 6, 2016 · Big Data

How Baidu Maps Scales Billion‑Row OLAP Queries with Apache Kylin

Baidu Maps’ Data Intelligence team built a large‑scale OLAP platform using Apache Kylin, detailing the challenges of multi‑dimensional analysis on billions of rows, the architecture, custom extensions for task, resource, and monitoring management, and performance optimizations that achieve millisecond‑level SQL responses.

Apache KylinBig DataData Warehouse
0 likes · 21 min read
How Baidu Maps Scales Billion‑Row OLAP Queries with Apache Kylin