bcec11ad_http___activemq_org_config_1_0__Description
[Element] usageManager [Class] org.apache.activemq.memory.UsageManager [Description] 
Used to keep track of how much of something is being used so that a productive working set usage can be controlled. Main use case is manage memory usage.
Schema for namespace: http://activemq.org/config/1.0
Description