/streamz help
Streamz Root:
Streamz ManuallySampledMetrics set:
Root name: <default> [(+) labels] [(+) collection] [(+) largest exported metrics]
Search:

Directory: /concurrent/single_flight

Query matched 4 metrics and 0 "subdirectories":
/concurrent/single_flight/batch_size{string instance} (cumulative): Distribution = ...
/concurrent/single_flight/delay{string instance} (cumulative): Distribution = ...
/concurrent/single_flight/operations_received{string instance} (cumulative): long = ...
/concurrent/single_flight/operations_saved{string instance} (cumulative): long = ...