Oracle Hadoop HDFS
Here’s a list of metrics, according to metric group.
Application Metrics
The following table lists the metrics and their descriptions.
| Metric | Description |
|---|---|
|
Create Rate |
Number of create operations |
|
Delete Rate |
Number of delete operations |
|
Rename Rate |
Number of rename operations |
|
Sync Rate |
Number of synchronization operations |
Block Metrics
The following table lists the metrics and their descriptions.
| Metric | Description |
|---|---|
|
Block Capacity |
The block capacity of the NameNode |
|
Block With Corrupt Replicas |
Blocks with corrupt replicas |
|
Excess Blocks |
The total number of excess blocks |
|
Missing Blocks |
Missing blocks |
|
Pending Deletion Blocks |
The number of blocks pending deletion |
|
Pending Replication Blocks |
The number of blocks with replication pending |
|
Scheduled Replication Blocks |
The number of blocks with replication currently scheduled |
|
Under Replicated Blocks |
Under-replicated blocks |
|
Expired Heartbeats |
The number of expired heartbeats |