Description: Application Submission is the process of sending an application to the YARN Resource Manager for execution. YARN, which stands for Yet Another Resource Negotiator, is a key component of the Hadoop ecosystem that enables efficient resource management in computing clusters. This process involves interaction between the client submitting the application and the Resource Manager, which is responsible for allocating the necessary resources for the application’s execution. During submission, details such as the type of application, required resources (like memory and CPU), and specific configurations are specified. Once the application is submitted, YARN takes care of scheduling and executing the tasks across the cluster nodes, optimizing resource usage and ensuring that applications run efficiently. This approach allows developers and system administrators to manage multiple applications simultaneously, enhancing scalability and flexibility in processing large volumes of data. In summary, Application Submission in YARN is a fundamental process that facilitates the execution of distributed applications in a computing environment, ensuring effective management of available resources.