Stamatis Zampetakis created HIVE-27402:
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Summary: Refactor Kafka credential handling into kafka-handler
module
Key: HIVE-27402
URL: https://issues.apache.org/jira/browse/HIVE-27402
Project: Hive
Issue Type: Improvement
Components: HiveServer2, kafka integration
Reporter: Stamatis Zampetakis
Assignee: Stamatis Zampetakis
Currently the code for handling credentials and authentication for the Kafka
storage handler is spread across hive-exec
(https://github.com/apache/hive/blob/7cd3107a76d633ef5fae2ffb8ec16953ac968092/ql/src/java/org/apache/hadoop/hive/ql/exec/tez/DagUtils.java#L302)
and kafka-handler
(https://github.com/apache/hive/blob/7cd3107a76d633ef5fae2ffb8ec16953ac968092/kafka-handler/src/java/org/apache/hadoop/hive/kafka/KafkaUtils.java#L71)
modules. This leads to unexpected dependencies to kafka (e.g., kafka-client)
in hive-exec module and limits sharing opportunities of credential utilities
present in KafkaUtil class.
The goal of this refactoring is threefold:
* centralize Kafka credential handling (in one module) opening the road to more
code reuse and better encapsulation;
* remove kafka dependencies (e.g., kafka-client) from hive-exec module;
* facilitate unit testing and product stability.
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