YARN ResourceManager
Metrics to see status of ResourceManagers on the YARN cluster.
| Row | Metrics | Description |
|---|---|---|
| RPC STATS | RPC Avg Processing / Queue Time | Average time for processing/queuing a RPC call. |
| RPC Call Queue Length | The length of the RPC call queue. | |
| RPC Slow calls | Number of slow RPC calls. | |
| MEMORY USAGE | Heap Mem Usage | Current heap memory usage. |
| NonHeap Mem Usage | Current non-heap memory usage. | |
| GC STATS | GC count | Accumulated GC count over time. |
| GcTime | Accumulated GC time over time. | |
| LOG ERRORS | Log Error / Fatal | Number of ERROR/FATAL logs. |
| AUTHORIZATION & AUTHENTICATION FAILURES | RPC Authorization Failures | Number of authorization failures. |
| RPC Authentication Failures | Number of authentication failures. |