Tag: OLAP
3 articles
Big Data 220 - Data Warehouse Introduction
In 1988, IBM first introduced the concept of "Information Warehouse" when facing increasingly scattered enterprise information systems and growing data silo problems.
Apache Druid Real-time OLAP Architecture & Selection Points
Apache Druid real-time OLAP practice: suitable for event detail with time as primary key, sub-second aggregation and high-concurrency self-service analysis.
Apache Kudu: Real-time Write + OLAP Architecture, Performance
Apache Kudu is an open-source storage engine developed by Cloudera and contributed to Apache Software Foundation.