| supervisors |
storm.supervisors |
Avg |
Long |
The number of Nodes in the cluster currently. |
| topologies |
storm.topologies |
Avg |
Long |
The number of Topologies in the cluster currently. |
| slots |
storm.slots |
Avg |
Long |
Total slots are Workers (processes). |
| used slots |
storm.slots.used |
Avg |
Long |
Busy slots are Workers (processes). |
| acked |
storm.bolts.tuples.acked |
Sum |
Long |
The number of Tuples acknowledged by this Bolt. |
| failed |
storm.bolts.tuples.failed |
Sum |
Long |
The number of Tuples failed by this Bolt. |
| executed |
storm.bolts.tuples.executed |
Sum |
Long |
The number of incoming Tuples processed. |
| executors |
storm.executors |
Avg |
Long |
Executors are threads in a Worker process. |
| state spouts |
storm.spouts.state |
Avg |
Long |
The number of State Spouts. |
| bolts |
storm.bolts |
Avg |
Long |
The number of Bolts. |
| workers |
storm.workers |
Avg |
Long |
The number of Workers (processes). |
| spouts |
storm.spouts |
Avg |
Long |
The number of Spouts. |
| tasks |
storm.tasks |
Avg |
Long |
A Task is an instance of a Bolt or Spout. The number of Tasks is almost always equal to the number of Executors. |
| emitted |
storm.bolts.tuples.emitted |
Sum |
Long |
The number of Tuples emitted. |
| transferred |
storm.bolts.tuples.transferred |
Sum |
Long |
The number of Tuples emitted that sent to one or more Bolts. |
| acked |
storm.sputs.tuples.acked |
Sum |
Long |
The number of Tuple 'trees' successfully processed. A value of 0 is expected if no acking is done. |
| failed |
storm.sputs.tuples.failed |
Sum |
Long |
The number of Tuple 'trees' that were explicitly failed or timed out before acking was completed. A value of 0 is expected if no acking is done. |
| emitted |
storm.sputs.tuples.emitted |
Sum |
Long |
The number of Tuples emitted. |
| transferred |
storm.sputs.tuples.transferred |
Sum |
Long |
The number of Tuples emitted that sent to one or more Bolts. |