Design a scalable big data analytics pipeline for an e-commerce platform that ingests real-time logs, stores petabyte-scale data, supports batch and…

Design a scalable big data analytics pipeline for an e-commerce platform that ingests real-time logs, stores petabyte-scale data, supports batch and stream processing, delivers near real-time recommendations, and runs large-scale machine learning models; from the following Hadoop ecosystem components - MapReduce, HDFS, YARN, HBase, ZooKeeper, Pig, Hive, Mahout, Chukwa, Cassandra, Avro, Oozie, Flume, Sqoop - select any five and explain the role of each component in this system.