What is StreamsGroupDescribe?
Shows Kafka Streams groups managed under the broker-side assignor (KIP-1071), with per-member task assignments (active, standby, warm-up) and the group epoch. Rapidly incrementing epochs indicate frequent membership changes, which could signal instability.
| Version | Kafka | Changes |
|---|---|---|
| StreamsGroupDescribeRequest | ||
| v0 | 4.1 | + GroupIds []string+ IncludeAuthorizedOperations bool~ Flexible encoding enabled FLEXIBLE |
| StreamsGroupDescribeResponse | ||
| v0 | 4.1 | + ThrottleTimeMs int32+ Groups []DescribedGroup+ ErrorCode int16+ ErrorMessage string+ GroupId string+ GroupState string+ GroupEpoch int32+ AssignmentEpoch int32+ Topology Topology+ Epoch int32+ Subtopologies []Subtopology+ SubtopologyId string+ SourceTopics []string+ RepartitionSinkTopics []string+ StateChangelogTopics []TopicInfo+ Name string+ Partitions int32+ ReplicationFactor int16+ TopicConfigs []KeyValue+ Key string+ Value string+ RepartitionSourceTopics []TopicInfo+ Name string+ Partitions int32+ ReplicationFactor int16+ TopicConfigs []KeyValue+ Key string+ Value string+ Members []Member+ MemberId string+ MemberEpoch int32+ InstanceId string+ RackId string+ ClientId string+ ClientHost string+ TopologyEpoch int32+ ProcessId string+ UserEndpoint Endpoint+ Host string+ Port uint16+ ClientTags []KeyValue+ Key string+ Value string+ TaskOffsets []TaskOffset+ SubtopologyId string+ Partition int32+ Offset int64+ TaskEndOffsets []TaskOffset+ SubtopologyId string+ Partition int32+ Offset int64+ Assignment Assignment+ ActiveTasks []TaskIds+ SubtopologyId string+ Partitions []int32+ StandbyTasks []TaskIds+ SubtopologyId string+ Partitions []int32+ WarmupTasks []TaskIds+ SubtopologyId string+ Partitions []int32+ TargetAssignment Assignment+ ActiveTasks []TaskIds+ SubtopologyId string+ Partitions []int32+ StandbyTasks []TaskIds+ SubtopologyId string+ Partitions []int32+ WarmupTasks []TaskIds+ SubtopologyId string+ Partitions []int32+ IsClassic bool+ AuthorizedOperations int32~ Flexible encoding enabled FLEXIBLE |