3. If convenient, take advantage of the fact that you can use multiple submit machines. At least dedicate one machine as a submit machine with few or no other duties. -4. Under UNIX, increase the number of jobs that a schedd will run simultaneously if you have enough disk bandwidth and memory (see rough estimates in next section). +4. Under UNIX, increase the number of jobs that a schedd will run simultaneously if you have enough disk bandwidth and memory (see rough estimates in next section). As of Condor 7.4.0, the default setting for MAX_JOBS_RUNNING should be a reasonable formula that scales with the amount of memory available. In prior versions, the default was just 200. {code} MAX_JOBS_RUNNING = 2000