Extension registry counters
Use this page as a reference for properties of extension registry counters.
Data counters for this category contain usage information for the extension registry.
Counter definitions
Name Key ID Description Granularity Type Level Overhead RequestCount ExtensionRegistryStats.numRequests 1 The total number of cache read requests served Per server CountStatistic Basic Low HitCount ExtensionRegistryStats.numHits 2 The number of cache hits out of the total requests Per server CountStatistic Basic Low HitRate ExtensionRegistryStats.hitRate 3 The rate for cache hits Per server TimeStatistic Basic Low DisplacementCount ExtensionRegistryStats.numDisplaces 4 The number of cache displacements Per server CountStatistic Basic Low
Monitor overall system health PMI data organization