來自 eBay 的 OLAP 分析引擎:Kylin
Kylin 是一個來自 eBay 公司開發的開源分布式OLAP 分析引擎,基于 Hadoop 提供 SQL 接口和 OLAP 接口,支持 TB 到 PB 級別的數據量。
- 超級快的 OLAP 引擎,具備可伸縮性:
Kylin is designed to reduce query latency on Hadoop for 10+ billions of rows of data
- 為 Hadoop 提供 ANSI-SQL 接口:
Kylin offers ANSI-SQL on Hadoop and supports most ANSI-SQL query functions
- 交互式查詢能力:
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
- 可與其他 BI 工具無縫集成,如 Tableau:
Kylin currently offers integration capability with BI Tools like Tableau. Integration with Microstrategy and Excel is coming soon
其它亮點:
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作業管理和監控
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壓縮和編碼的支持
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Cube 的增量更新
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Leverage HBase Coprocessor for query latency
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Approximate Query Capability for distinct Count (HyperLogLog)
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易用的 Web 管理、構建、監控和查詢 Cube 的接口
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Security capability to set ACL at Cube/Project Level
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支持 LDAP 集成
運行環境要求:
Hadoop
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Hadoop: 2.2.0.2.0.6.0-61 or above
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Hive: 0.12.0.2.0.6.0-61 or above
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HBase: 0.96.0.2.0.6.0-61-hadoop2
Tested with Hortornworks distribution (HDP2.1.3), not tested with others yet.
Kylin Server
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Command hadoop, hive, hbase is workable on your hadoop cluster
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JDK Runtime: JDK7 (OpenJDK or Oracle JDK)
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Maven
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Git
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Tomcat
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Mysql
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