ApacheLens架构
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Apache Lens架构
{JDBC Client,Data Stores,S3,Cli,Java Client,Driver API,HDFS,Based on underlying Hive Metastore/HCatalog,Applications - Reporting, Ad Hoc Queries,Hive(MR),HBse,Redshift,Pluggable Execution Engines,Columnar DWH,Spark SQL/Shark,REST API for querying and schema update,Lens Server,JDBC,LENS,
Lens Server OLAP Cube Metastore}