Module metrics

Some of the metrics used in the flow module.

Structs

• METRIC_FLOW_ERRORS
• METRIC_FLOW_INPUT_BUF_SIZE
• METRIC_FLOW_INSERT_ELAPSED
• METRIC_FLOW_PROCESSING_TIME
• METRIC_FLOW_ROWS
• METRIC_FLOW_RUN_INTERVAL_MS
• METRIC_FLOW_TASK_COUNT