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. |