Matt Burgess created NIFI-6799:
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Summary: Add RecordSink implementation for Prometheus scraping
Key: NIFI-6799
URL: https://issues.apache.org/jira/browse/NIFI-6799
Project: Apache NiFi
Issue Type: New Feature
Components: Extensions
Reporter: Matt Burgess
With the advent of NIFI-6780, a RecordSinkService controller service interface
is available and is used by components like QueryNiFiReportingTask to decouple
the collection of data from its destination or transmission method. Initial
implementations in NIFI-6780 included a Site-to-Site record sink as well as a
DatabaseRecordSink for writing to RDBMS targets.
This Jira proposes to add a RecordSinkService implementation to enable
Prometheus scraping. The PrometheusReportingTask exists (via NIFI-5435) to
allow scraping of many available metrics, but a PrometheusRecordSink would
allow scraping of these plus derived metrics (via SQL queries executed by
QueryNiFiReportingTask) and analytical metrics such as connection status
predictions (Time-to-Backpressure, e.g.).
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