Jie Huang created KAFKA-1136:
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Summary: Add subAppend in Log4jAppender for generic usage
Key: KAFKA-1136
URL: https://issues.apache.org/jira/browse/KAFKA-1136
Project: Kafka
Issue Type: Improvement
Components: producer
Reporter: Jie Huang
Assignee: Jun Rao
Priority: Trivial
KafkaLog4jAppender is quite useful for us to send our log4j logs to the Kafka
system with ease. However, according to our experience, it is not so that
convenient to customize the message content before emitting it out. Sometimes,
we need to decorate the message like adding more system level information
before passing it to the producer. I wonder if it is possible to add one
subAppend() function, like org.apache.log4j.WriterAppender does. Thus, the end
user can customize their message by overwriting the subAppend() only in their
own hierarchy class, and re-use all the rest part.
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