Adam Taft created NIFI-634:
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Summary: Review Logback default log levels
Key: NIFI-634
URL: https://issues.apache.org/jira/browse/NIFI-634
Project: Apache NiFi
Issue Type: Improvement
Components: Configuration
Reporter: Adam Taft
Priority: Minor
Evaluate the default log levels of the logback.xml configuration. Consider
reducing the verbosity of general framework logging events, primarily
originating from the org.apache.nifi.* logger.
Rationale: the existing log level defaults have historically benefitted NIFI
data flow managers needing to inspect and trace the lifecycle of an individual
flowfile. However, given the capabilities of the provenance repository engine,
the preferred mechanism for tracing a flowfile would now be performed through
provenance inquiries.
Thus, the necessity for logging standard processor and framework subsystem
events at the INFO level is reduced. The logging configuration could default to
allow only WARN or greater output from common framework components in order to
isolate and identify flow management issues.
Recommendation: change the default log levels of the org.apache.nifi.* loggers
from INFO to WARN, with exception for component functionality which does not
readily have a reciprocal provenance equivalent.
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