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

Query matched 1 metrics and 2 "subdirectories":
/pipeline/flume/streaming/client/ (8 metrics)
/pipeline/flume/streaming/finalize_callback_manager/ (3 metrics)
/pipeline/flume/streaming/gbk_processed_elements{string job_id, string dfe_stage_id, string status} (cumulative): long = ...