Hadoop Apache HAWQ SQL on Hadoop (OLAP) Apache Geode In-memory data grid (OLTP) Spring XD Integration and Streaming Runtime Apache Ambari Manages All Clusters Apache Zeppelin Web UI for interaction with Data Systems Hadoop/HDFS Geode HAWQ SpringXD Ambari Zeppelin
• Region - Highly available, redundant, distributed Map China Railway Corporation 5,700 train stations 4.5 million tickets per day 20 million daily users 1.4 billion page views per day 40,000 visits per second Indian Railways 7,000 stations 72,000 miles of track 23 million passengers daily 120,000 concurrent users 10,000 transactions per minute