The following details the the system resources monitored as part of the back pressure feature and the levels of resource utilization.
Free hard disk space for the message queue database
High = 100 * (hard disk size – 500MB) / hard disk size
Medium = 2 percent less than high level
Normal = 4 percent less than high level
Free Hard Disk Space for the message queue database transaction log
High = 100 * (hard disk size -Max(5GB,3*DatabaseCheckPointDepthMax)) / hard disk size
Medium = 2 percent less than high level
Normal = 4 percent less than high level
Uncommitted Message Queue Database Transactions in Memory
High = 200 version buckets / 4000 batch point
Medium = 120 version buckets /2000 batch point
Normal = 80 version buckets / 1000 batch point
Memory Used by the EdgeTransport.exe Process
High = 75 percent of the total physical memory or 1 terabyte, whichever is less
Medium = 73 percent of total physical memory or 2 percent less than 1 terabyte, whichever is less
Normal = 71 percent of total physical memory or 4 percent less than 1 terabyte, whichever is less
Memory Used by All Processes
High = 94 percent of total physical memory
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