David Handermann created NIFI-15508:
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Summary: Add Record Gauge support to Standard Process Session
Key: NIFI-15508
URL: https://issues.apache.org/jira/browse/NIFI-15508
Project: Apache NiFi
Issue Type: New Feature
Components: Core Framework
Reporter: David Handermann
Assignee: David Handermann
Fix For: 2.8.0
Building on the addition of the {{recordGauge}} method to the
{{ProcessSession}} interface, the standard class should be updated with an
initial implementation.
As an incremental approach to implementation, a new framework-level interface
should be created to report Gauge records. This interface should form the basis
for subsequent implementation that can support optional persistence of Gauge
records in the framework. Naming the interface {{ComponentMetricReporter}}
captures the general purpose, and opens the possibility for other types of
processing metrics to be reported.
Following the pattern of other framework interfaces, the implementation should
be configurable through an application property. The default value should be
empty. Subsequent additions to the framework for persistent storage, similar to
Counters, can consider additional application properties if needed.
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