Storm Components
Metrics that show operating status for Storm topologies on a per component level.
Row | Metrics | Description |
---|---|---|
RECORDS | Input/Output |
Input Records is the number of messages executed on the selected component. Output Records is the number of messages emitted on the selected component. |
Acked Tuples | Number of messages acked (completed) on the selected component. | |
Failed Tuples | Number of messages failed on the selected component. | |
LATENCY / QUEUE | Latency |
Complete Latency is the average complete latency on the select component (for Spout). Process Latency is the average process latency on the selected component (for Bolt). |
Queue |
Receive Queue Population is the total number of tuples waiting in receive queues on the selected component. Send Queue Population is the total number of tuples waiting in send queues on the selected component. |