Concurrent jobs per node
By default, the maximum number of jobs that can be concurrently run on a single server or node is 10. This number can be configured on a per-system basis. The maximum number of concurrent jobs that can be configured is set to the number of cores on the node.
Single server setup
Go to the section Server Setup under the Job Distribution tab of the web administration page and enter the desired value in the box labelled "Maximum number of concurrent jobs". See figure 3.10.
Figure 3.10: Set the maximum number of concurrent jobs or check the "Unrestricted" box to change the setting for the single server setup.
Job node setup
Go to the section Job queuing options under the Job Distribution tab of the web administration page and enter a value for each job node listed under the "Concurrent jobs per node" section. See figure 3.11.
Figure 3.11: Set the maximum number of concurrent jobs or check the "Unrestricted" box for any job node.