Josh Rosen created SPARK-39973:
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Summary: Avoid noisy warnings logs when
spark.scheduler.listenerbus.metrics.maxListenerClassesTimed = 0
Key: SPARK-39973
URL: https://issues.apache.org/jira/browse/SPARK-39973
Project: Spark
Issue Type: Improvement
Components: Spark Core
Affects Versions: 3.4.0
Reporter: Josh Rosen
If {{spark.scheduler.listenerbus.metrics.maxListenerClassesTimed}} has been set
to {{0}} to disable listener timers then listener registration will trigger
noisy warnings like
{code:java}
LiveListenerBusMetrics: Not measuring processing time for listener class
org.apache.spark.sql.util.ExecutionListenerBus because a maximum of 0 listener
classes are already timed.{code}
warnings.
We should change the code to not print this warning when max listeners is zero.
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