Alibaba E-MapReduce is an all-in-one enterprise-ready big data platform that provides cluster, job, and data management services based on open-source ecosystems, such as Hadoop, Spark, Kafka, Flink, and Storm. With EMR, you can execute plans to create clusters, execute jobs at the scheduled time, and release clusters after job execution. EMR also supports job and dependency scheduling, so you can orchestrate and schedule jobs as DAG-based workflows. Plus, you can scale in and out cluster compute resources at the specified time to reduce the total cost of ownership (TCO).