Kyligence公开课(1)—Apache Kylin 源码解读之：整体结构和可插拔设计

1 .| Li, Yang Co-founder & CTO info@kyligence.io 

2 .What’s Kylin kylin/ ˈkiːˈlɪn / --n. (in Chinese art) a mythical animal of composite form Extreme OLAP Engine for Big Data Kylin is an open source Distributed Analytics Engine from eBay that provides SQL interface and multi-dimensional analysis(OLAP) on Hadoop supporting extremely largedatasets • Open Sourced on Oct 1st, 2014 • Accepted as Apache Incubator Project on Nov 25th,2014 1 0, . , 

3 .Feature – SQL Interface 1 0, . , 

4 .Feature – BI Integration via ODBC, JDBC 1 0, . , 

5 .Feature – Low Latency Dark-blue line: 90%tile queries Light-blue line: 95%tilequeries 90% query returns in 3 seconds 1 0, . , 

6 .Feature – Scalable Throughput Linear scale out with more nodes 1 0, . , 

7 .Features Highlights… Compression and Encoding Support Incremental Refresh of Cubes Approximate Query Capability for distinct count (HyperLogLog) Leverage HBase Coprocessor for query latency Job Management and Monitoring Security capability to set ACL at Cube/Project Level Support LDAP Integration Near Real-time Streaming 1 0, . , 

8 .Kylin Technical Deep Dive 1 0, . , 

9 .What is Apache Kylin 1 0, . , 

10 .Why Kylin is Fast 1 0, . , 

11 .How it works – Materialized View • A query may consider only 3 dimensions 1 0, . , 

12 .Why Kylin is Fast 1 0, . , 

13 .Kylin is about Precalculation 1 0, . , 

14 .O(1) regardless of Data Size 1 0, . , 

15 .

16 .Multiple Sources 1 0, . , 

17 .THANK YOU K Kyligence Kyligence 1 0, . ,