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November 2, 2014

Kylin

Filed under: Kylin,OLAP,SQL — Patrick Durusau @ 8:33 pm

Open Source Distributed Analytics Engine with SQL interface and OLAP on Hadoop by eBay – Kylin by Avkash Chauhan.

From the post:

Key Features:

  • Extremely Fast OLAP Engine at Scale:
    • Kylin is designed to reduce query latency on Hadoop for 10+ billions of rows of data
  • ANSI-SQL Interface on Hadoop:
    • Kylin offers ANSI-SQL on Hadoop and supports most ANSI-SQL query functions
  • Interactive Query Capability:
    • Users can interact with Hadoop data via Kylin at sub-second latency, better than Hive queries for the same dataset
  • MOLAP Cube:
    • User can define a data model and pre-build in Kylin with more than 10+ billions of raw data records
  • Seamless Integration with BI Tools:
    • Kylin currently offers integration capability with BI Tools like Tableau.
  • Other Highlights:
    • Job Management and Monitoring
    • Compression and Encoding Support
    • Incremental Refresh of Cubes
    • Leverage HBase Coprocessor for query latency
    • Approximate Query Capability for distinct Count (HyperLogLog)
    • Easy Web interface to manage, build, monitor and query cubes
    • Security capability to set ACL at Cube/Project Level
    • Support LDAP Integration

Find it at Github: https://github.com/KylinOLAP/Kylin

Learn more at: http://www.kylin.io/index.html

More info:

Kylin OLAP Group

Kylin Developer Mail

A useful write-up for an overview of Kylin: Announcing Kylin: Extreme OLAP Engine for Big Data, the blog post from eBay that announces the open sourcing of Kylin.

What caught my eye was the use of pre-calculation of combinations of dimensions using Hadoop. Sounds promising!

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