Master Host

The master host controls the grid engine system. This host runs the master daemon sge_qmaster, and the scheduling daemon, sge_schedd.

The master host must comply with the following requirements:

• The host must be a stable platform.

• The host must not be excessively busy with other processing.

• At least 60 – 120 Mbytes of unused main memory must be available to run the grid engine system daemons. For very large clusters that include many hundreds or thousands of hosts and tens of thousands of jobs in the system at any time, 1 GByte or more of unused main memory might be required and two CPUs might be beneficial.

• The master host must be installed before shadow master execution, administration, or submit hosts.

• (Optional) The grid engine software directory, sge-root, should be installed locally, to cut down on network traffic.

Windows hosts cannot act as master hosts.