Table 9-2 shows the amount of alerts that are generated for each of the basic events necessary to read a single tag. The average size of the alerts is also included, and the results are presented for each of the various possible Alert Threshold values. Table 9-2 Alerts generated for the basic events necessary to read a single tag Alert Threshold error warning info debug messages per switch 1 1 2 4 messages per motion 1 1 2 22 messages per tag read 1 1 2 12 Average Msg Size (bytes) 630 630 685 715 Clearly, the greatest Edge Controller performance can be expected with the alert threshold set to either error or warning, and while the debug level can be useful for testing, it can degrade Edge Controller performance seriously. Attention: Under no circumstances should the Alert Threshold be set to debug in a production environment.