The document discusses the integration of resource sharing in datacenters using Apache Mesos and Hadoop/YARN, highlighting the need for multi-tenancy and improved resource utilization. It introduces Apache Myriad as a framework that enhances resource management by allowing seamless resource sharing between Mesos and Hadoop without requiring code changes. Key features of Myriad include elastic scaling, fault tolerance, and support for high Service Level Agreements (SLA) for Hadoop jobs.