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https://issues.apache.org/jira/browse/KAFKA-20624?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias J. Sax updated KAFKA-20624:
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Component/s: streams
> Wire topology description plugin into GroupCoordinatorService — read path
> (describe) and broker wiring
> ------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-20624
> URL: https://issues.apache.org/jira/browse/KAFKA-20624
> Project: Kafka
> Issue Type: Sub-task
> Components: streams
> Reporter: Alieh Saeedi
> Assignee: Lucas Brutschy
> Priority: Major
> Fix For: 4.4.0
>
>
> streamsGroupDescribe gains includeTopologyDescription flag.
> attachTopologyDescriptions: call plugin.getTopology only when
> StoredTopologyEpoch == currentTopologyEpoch, otherwise report NOT_STORED.
> Status constants: NOT_REQUESTED (0), NOT_STORED (1), ERROR (2), AVAILABLE
> (3). GroupCoordinator interface update. Broker wiring: KafkaApis.scala (new
> handler + describe flag plumbing), BrokerServer.scala (plugin instantiation +
> configuration), RequestConvertToJson. GroupCoordinatorServiceTest
> (describe-path tests), KafkaApisTest, RequestQuotaTest,
> AuthorizerIntegrationTest, checkstyle/suppressions.xml.
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