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https://issues.apache.org/jira/browse/KAFKA-1794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14225349#comment-14225349
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Guozhang Wang commented on KAFKA-1794:
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One more note is that the new producer config's explanation doc field is
defined private and hence not shown in the compiled java doc. Although they
will be shown in the printed html table I think it is also good to have them in
the compiled java doc.
> Make config and config defaults accessible to clients
> -----------------------------------------------------
>
> Key: KAFKA-1794
> URL: https://issues.apache.org/jira/browse/KAFKA-1794
> Project: Kafka
> Issue Type: Bug
> Affects Versions: 0.8.1.1
> Reporter: Navina Ramesh
>
> In the new Kafka producer API, the ProducerConfig is not accessible to the
> clients. Samza uses the ProducerConfig instance to access the defaults
> property values, which can then be used in the various helper utils. Config
> instance is accessible even without instantiating a Kafka producer.
> With the new API, there is no way to instantiate a ProducerConfig as the
> constructor is marked private. Also, it does not make the default config
> values accessible to the client without actually instantiating a
> KafkaProducer.
> Changes suggested:
> 1. Make the ProducerConfig constructor public
> 2. Make ConfigDef in ProducerConfig accessible by the client
> 3. Use public static variables for kafka config default "values"
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