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Max Riedel edited comment on KAFKA-14509 at 7/28/23 7:50 PM: ------------------------------------------------------------- [~dajac] Thanks for the helpful comments. Please see my PR for 1) and 2) [https://github.com/apache/kafka/pull/14124 Please pay special attention to ConsumerGroupDescribeResponse.json as this is now different from the definition in KIP-848|https://github.com/apache/kafka/pull/14124] was (Author: JIRAUSER300902): [~dajac] Thanks for the helpful comments. Please see my PR for 1) and 2) https://github.com/apache/kafka/pull/14124 > Add ConsumerGroupDescribe API > ----------------------------- > > Key: KAFKA-14509 > URL: https://issues.apache.org/jira/browse/KAFKA-14509 > Project: Kafka > Issue Type: Sub-task > Reporter: David Jacot > Assignee: Max Riedel > Priority: Major > > The goal of this task is to implement the ConsumerGroupDescribe API as > described > [here|https://cwiki.apache.org/confluence/display/KAFKA/KIP-848%3A+The+Next+Generation+of+the+Consumer+Rebalance+Protocol#KIP848:TheNextGenerationoftheConsumerRebalanceProtocol-ConsumerGroupDescribeAPI]; > and to implement the related changes in the admin client as described > [here|https://cwiki.apache.org/confluence/display/KAFKA/KIP-848%3A+The+Next+Generation+of+the+Consumer+Rebalance+Protocol#KIP848:TheNextGenerationoftheConsumerRebalanceProtocol-Admin#describeConsumerGroups]. > On the server side, this mainly requires the following steps: > # The request/response schemas must be defined (see > ListGroupsRequest/Response.json for an example); > # Request/response classes must be defined (see > ListGroupsRequest/Response.java for an example); > # The API must be defined in KafkaApis (see > KafkaApis#handleDescribeGroupsRequest for an example); > # The GroupCoordinator interface (java file) must be extended for the new > operations. > # The new operation must be implemented in GroupCoordinatorService (new > coordinator in Java) whereas the GroupCoordinatorAdapter (old coordinator in > Scala) should just reject the request. > We could probably do 1) and 2) in one pull request and the remaining ones in > another. > On the admin client side, this mainly requires the followings steps: > * Define all the new java classes as defined in the KIP. > * Add the new API to KafkaAdminClient class. -- This message was sent by Atlassian Jira (v8.20.10#820010)