The product architecture of E-MapReduce is shown in the figure below:

From the above figure, we can see that the E-MapReduce cluster is set up based on the Hadoop ecological environment; moreover, it allows seamless data exchange with cloud services such as Alibaba Cloud Object Storage Service (OSS) and ApsaraDB (RDS), so that the user can share and transfer data between multiple systems to meet access needs for different types of businesses.