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Global stagger setting
The global stagger setting in Plotman ensures plotting jobs are spaced apart; this helps improve throughput/capacity (plots/day) by spreading out the load on the plotter evenly. If the value is too high there will be idle time between plotting jobs. If it is too low there will be contention over constrained resources (typically temp space or CPU).
Determining the optimal stagger is an iterative process of trial and error. Anecdotally a starting value for the setting can be derived by dividing the time it takes to complete a single plot by the number of plots that can be processed concurrently on the temp drive or if the system is constrained by CPU, then dividing the single plot time by the number of cores, and then subtracting 10 minutes.
The following spreadsheet can help determine a starting value for the setting, factoring in the percentage of temporary space and CPU that are allocated for plotting. To use it, either download the spreadsheet and or edit it online by logging in to your Google account and make a copy of it (File --> Make a copy)