Ambari Server Database
Metrics that show operating status for the Ambari server database.
Row | Metrics |
Description |
---|---|---|
TOTAL READ ALL QUERY |
Total Read All Query Counter (Rate) |
Total ReadAllQuery operations performed. |
Total Read All Query Timer (Rate) |
Total time spent on ReadAllQuery. | |
TOTAL CACHE HITS & MISSES |
Total Cache Hits (Rate) |
Total cache hits on Ambari Server with respect to EclipseLink cache. |
Total Cache Misses (Rate) | Total cache misses on Ambari Server with respect to EclipseLink cache. | |
QUERY |
Query Stages Timings | Average time spent on every query sub stage by Ambari Server |
Query Types Avg. Timings |
Average time spent on every query type by Ambari Server. | |
HOST ROLE COMMAND ENTITY |
Counter.ReadAllQuery.HostRoleCommandEntity (Rate) |
Rate (num operations per second) in which ReadAllQuery operation on HostRoleCommandEntity is performed. |
Timer.ReadAllQuery.HostRoleCommandEntity (Rate) |
Rate in which ReadAllQuery operation on HostRoleCommandEntity is performed. | |
ReadAllQuery.HostRoleCommandEntity |
Average time taken for a ReadAllQuery operation on HostRoleCommandEntity (Timer / Counter). |