Variable GroupProtocol`Const`

GroupProtocol: { Classic: "classic"; Consumer: "consumer" } = ...

Consumer group protocol selection.

"classic" — JoinGroup/SyncGroup/Heartbeat/LeaveGroup (default)
"consumer" — KIP-848 ConsumerGroupHeartbeat with server-side assignment

Type Declaration

ReadonlyClassic: "classic"
Classic consumer group protocol (JoinGroup/SyncGroup/Heartbeat/LeaveGroup).
ReadonlyConsumer: "consumer"
KIP-848 consumer group protocol (ConsumerGroupHeartbeat with server-side assignment).