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Please keep the discussion on the mailing list rather than commenting on the wiki (wiki discussions get unwieldy fast).

Motivation

The [DescribeGroups|https://kafka.apache.org/protocol#The_Messages_DescribeGroups] protocol DescribeGroups protocol v1 currently returns this information for each consumer group:

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Enhancing the protocol with this additional info means improving the existing tools that make use of it. For example, using this additional info, the consumer group command's {{\-\-describe}} output will provide more information about each consumer group to help with studying the group, its monitoring / troubleshooting / ..., troubleshooting, etc.

Public Interfaces

This is the latest version (v1) of DescribeGroups protocol:

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The suggestion is to enhance the protocol to version 2 and add some of these currently missing information (* indicates suggested fields to be added to the protocol):

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