1.2.9.3. HBase - Misc
The HBase - Misc dashboards display miscellaneous metrics related to the HBase cluster. A couple of use cases for these metrics is to debug authentication and authorization issues and exceptions thrown from RegionServers.
| Row | Metrics |
Description |
|---|---|---|
|
REGIONS IN TRANSITION |
Master - Regions in Transition |
Number of regions in transition in the cluster. |
|
Master - Regions in Transition Longer Than Threshold Time | Number of regions in transition that are in transition state for longer than 1 minute in the cluster. | |
|
Regions in Transition Oldest Age |
Maximum time that a region stayed in transition state. | |
|
NUM THREADS - RUNNABLE |
Master Num Threads - Runnable |
Number of threads in the Master. |
|
RegionServer Num Threads - Runnable |
Number of threads in the RegionServer. | |
|
NUM THREADS - BLOCKED |
Master Num Threads - Blocked |
Number of threads in the Blocked State in the Master. |
|
RegionServer Num Threads - Blocked |
Number of threads in the Blocked State in the RegionServer. | |
|
NUM THREADS - WAITING |
Master Num Threads - Waiting | Number of threads in the Waiting State in the Master. |
|
RegionServer Num Threads - Waiting |
Number of threads in the Waiting State in the RegionServer. | |
|
NUM THREADS - TIMED WAITING |
Master Num Threads - Timed Waiting |
Number of threads in the Timed-Waiting State in the Master. |
|
RegionServer Num Threads - Timed Waiting |
Number of threads in the Timed-Waiting State in the RegionServer. | |
|
NUM THREADS - NEW |
Master Num Threads - New |
Number of threads in the New State in the Master. |
|
RegionServer Num Threads - New |
Number of threads in the New State in the RegionServer. | |
|
NUM THREADS - TERMINATED |
Master Num Threads - Terminated |
Number of threads in the Terminated State in the Master. |
|
RegionServer Num Threads - Terminated |
Number of threads in the Terminated State in the RegionServer. | |
|
RPC AUTHENTICATION |
RegionServer RPC Authentication Successes /s |
Number of RPC successful authentications per second in the RegionServer. |
|
RegionServer RPC Authentication Failures /s |
Number of RPC failed authentications per second in the RegionServer. | |
|
RPC Authorization |
RegionServer RPC Authorization Successes /s |
Number of RPC successful autorizations per second in the RegionServer. |
|
RegionServer RPC Authorization Failures /s |
Number of RPC failed autorizations per second in the RegionServer. | |
|
EXCEPTIONS |
Master Exceptions /s |
Number of exceptions in the Master. |
|
RegionServer Exceptions /s |
Number of exceptions in the RegionServer. |