Malthe Borch created NIFI-7837:
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Summary: Add MDC-mode to LogAttribute
Key: NIFI-7837
URL: https://issues.apache.org/jira/browse/NIFI-7837
Project: Apache NiFi
Issue Type: Improvement
Reporter: Malthe Borch
The LogAttribute processor creates a custom-formatted text message out of the
attribute and optionally content payload.
An optional JSON mode would go some way in making this more accessible to a
consumer, however some logging sinks such as [Azure Application
Insights|https://docs.microsoft.com/en-us/azure/azure-monitor/app/java-trace-logs]
support properties (or _custom dimensions_) that are both more ergonomic and
performant.
Logback has support for [Mapped Diagnostics
Context|http://logback.qos.ch/manual/mdc.html] (MDC) and again, some logging
sinks turn that context (a list of key/value entries) into properties.
Supporting MDC as a logging mode in addition to the current custom-formatted
message and possibly a JSON mode as well would go a long way in enabling better
logging from NiFi flows.
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