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https://issues.apache.org/jira/browse/HUDI-2320?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17406157#comment-17406157
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ASF GitHub Bot commented on HUDI-2320:
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pratyakshsharma commented on pull request #3502:
URL: https://github.com/apache/hudi/pull/3502#issuecomment-907596058
@dongkelun So essentially I wanted to understand the reason behind using
ByteArraySerDes. Because I have not seen this getting used so far in my working
experience. Mostly StringSerializer or confluent Avro Serializer are the most
common ones to use. So just wanted to know if one gets any additional benefit
with using ByteArraySerializer in terms of data size etc.
LGTM otherwise. :) cc @yanghua
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> Add support ByteArrayDeserializer in AvroKafkaSource
> ----------------------------------------------------
>
> Key: HUDI-2320
> URL: https://issues.apache.org/jira/browse/HUDI-2320
> Project: Apache Hudi
> Issue Type: Improvement
> Components: DeltaStreamer
> Reporter: 董可伦
> Assignee: 董可伦
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.10.0
>
>
> When the 'value.serializer' of Kafka Avro Producer is
> 'org.apache.kafka.common.serialization.ByteArraySerializer',Use the following
> configuration
> {code:java}
> --source-class org.apache.hudi.utilities.sources.AvroKafkaSource \
> --schemaprovider-class
> org.apache.hudi.utilities.schema.JdbcbasedSchemaProvider \
> --hoodie-conf
> "hoodie.deltastreamer.source.kafka.value.deserializer.class=org.apache.kafka.common.serialization.ByteArrayDeserializer"
> {code}
> For now,It will throw an exception::
> {code:java}
> java.lang.ClassCastException: [B cannot be cast to
> org.apache.avro.generic.GenericRecord{code}
> After support ByteArrayDeserializer,Use the configuration above，It works
> properly.And there is no need to provide 'schema.registry.url',For example,
> we can use the JdbcbasedSchemaProvider to get the sourceSchema
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