You can query, add, and delete MRS jobs on the Job Management tab page only after Kerberos Authentication is set to Disable.
Introduction to Jobs A job is an executable program provided by MRS to process and analyze user data. All added jobs are displayed in Job Management, where you can add, query, and manage jobs.
Adding a Jar or Script Job You can submit developed programs to MRS, execute them, and obtain the execution result. This section describes how to create a job.
Submitting a Spark SQL Statement This section describes how to use Spark SQL. You can submit a Spark SQL statement to query and analyze data on the MRS management console page. To submit multiple statements, separate them from each other using semicolons (;).