GitHub user rmmjohann opened a pull request:
https://github.com/apache/flume/pull/65
Kafka Source in combination of Kafka Sink leads to indefinite loop
Because Kafka Source sets some header fields - especially "topic" - this
leads to unexpected behavior in combination with the Kafka Sink => The messages
will be consumed and produced again into that topic until the agent will be
shut down.
The Kafka Sink determines the topic to which the event should be produced
to based on a header field "topic" and overwrites the configuration of the sink.
To (nearly) fix that there are multiple options:
* update the documentation - done with this PR
* explicitly allow topic overriding at the kafka sink via a flag
* write the source topic into another header field - maybe "kafka.topic"
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rmmjohann/flume trunk
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flume/pull/65.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #65
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