9b02b119_he_Official_Microsoft_IIS_Site__Description
[Attribute] dynamicIdleThreshold [Description] 
Optional uint attribute. Specifies the percentage of committed physical RAM. The valid integer range is from 0 through 10000. WAS uses this threshold value to dynamically shorten the idle time-out of worker processes. For more information, see the Remarks section. The default value is 0.
Web Limits <webLimits> : The Official Microsoft IIS Site