Fernando Blanch Calvete created KAFKA-13144:
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Summary: Change the LOG level from DEBUG to WARN/ERROR for error
traces when obtaining topic metada
Key: KAFKA-13144
URL: https://issues.apache.org/jira/browse/KAFKA-13144
Project: Kafka
Issue Type: Improvement
Components: clients
Affects Versions: 2.8.0
Reporter: Fernando Blanch Calvete
As a suggestion, it would be very useful that when obtaining the metadata
information of the topic and there are errors, to add them to the log at WARN
level (for example) instead of DEBUG. Since in productive environments we do
not usually have the log at DEBUG level and if errors of this type occur it is
very useful to know them at the moment.
For example, in the class
*org.apache.kafka.clients.consumer.internals.Fetcher*, in the line 394, where
the errors are traced in DEBUG it would be very useful for us that they are at
least in WARN, to identify *UNKNOWN_TOPIC_OR_PARTITION* errors and to know the
name of the topic that causes it.
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