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ReasonOut of scope of Flink.


Status

Current state: Under DiscussionRejected

Discussion thread: https://lists.apache.org/thread/n8omkpjf1mk9jphx38b8tfrs4h3nxo3z

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Here is the table of the corresponding native levels of all the supported logging implementations.

Level / ImplementationLog4jLogbackJava Logging
TRACEorg.apache.logging.log4j.Level.TRACEch.qos.logback.classic.TRACEjava.util.logging.FINEST

DEBUG

org.apache.logging.log4j.Level.DEBUGch.qos.logback.classic.DEBUGjava.util.logging.FINE
INFOorg.apache.logging.log4j.Level.INFOch.qos.logback.classic.INFOjava.util.logging.INFO
WARNorg.apache.logging.log4j.Level.WARNch.qos.logback.classic.WARNjava.util.logging.WARNING
ERRORorg.apache.logging.log4j.Level.ERRORch.qos.logback.classic.ERRORjava.util.logging.SEVERE
SEVEREorg.apache.logging.log4j.Level.ERRORch.qos.logback.classic.ERRORjava.util.logging.SEVERE
OFForg.apache.logging.log4j.Level.OFFch.qos.logback.classic.OFFjava.util.logging.OFF

Limitations

Considered to be an MVP (Minimal Viable Product), this improvement does not support the features, such as defining the scope (e.g. job manager or task manager only) and a timer. The log levels of the target logger are going to be changed cluster-wide, on the job manager leader and all the currently-registered task managers. To unset the previously-changed level, pass a null log-level argument.

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