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https://issues.apache.org/jira/browse/SAMZA-144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14018009#comment-14018009
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Yan Fang commented on SAMZA-144:
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After second thought, I feel the change will be a little bigger than I
expected. All the consumer/producer parameters in the KafkaFactory should be a
Map containing the streamName as the key not a String. So need to change the
KafkaConsumer and KafkaProducer to accept new parameters. Correct me if I am
doing this in wrong approach. *_* So far will go with this approach. Thanks.
> Add stream-level overrides for KafkaSystemFactory config
> --------------------------------------------------------
>
> Key: SAMZA-144
> URL: https://issues.apache.org/jira/browse/SAMZA-144
> Project: Samza
> Issue Type: Bug
> Components: kafka
> Affects Versions: 0.6.0
> Reporter: Chris Riccomini
>
> Currently, we allow Kafka systems to be defined with:
> {noformat}
> systems.my-kafka-system.consumer.*
> {noformat}
> And:
> {noformat}
> systems.my-kafka-system.producer.*
> {noformat}
> We don't support stream-level configurations, the way we do with StreamConfig
> configuration:
> {code}
> val STREAM_PREFIX = "systems.%s.streams.%s."
> val MSG_SERDE = STREAM_PREFIX + "samza.msg.serde"
> val KEY_SERDE = STREAM_PREFIX + "samza.key.serde"
> val CONSUMER_RESET_OFFSET = STREAM_PREFIX + "samza.reset.offset"
> {code}
> We should add stream-level configuration override support for Kafka consumer
> and producers with:
> {noformat}
> systems.my-kafka-system.streams.my-kafka-topic.consumer.*
> systems.my-kafka-system.streams.my-kafka-topic.producer.*
> {noformat}
> KafkaConfig and KafkaSystemFactory should be updated to handle these.
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