Querying All Consumer Groups

Function

This API is used to query all consumer groups.

URI

GET /v2/{project_id}/instances/{instance_id}/groups

Table 1 Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID. For details about how to obtain it, see Obtaining a Project ID.
instance_id	Yes	String	Instance ID.

Table 2 Query Parameters
Parameter	Mandatory	Type	Description
offset	No	String	Offset, which is the position where the query starts. The value must be greater than or equal to 0.
limit	No	String	Maximum number of consumer group IDs returned in the current query. The default value is 10. The value ranges from 1 to 50.
group	No	String	Filter consumer group names that contain specific keywords.

Request Parameters

None

Response Parameters

Status code: 200

Table 3 Response body parameters
Parameter	Type	Description
groups	Array of GroupInfoSimple objects	All consumer groups.
total	Integer	Total number of consumer groups.

Table 4 GroupInfoSimple
Parameter	Type	Description
createdAt	Long	Creation time.
group_id	String	Consumer group ID.
state	String	Consumer group status. The value can be: Dead: The consumer group has no members or metadata. Empty: The consumer group has metadata but has no members. PreparingRebalance: The consumer group is to be rebalanced. CompletingRebalance: All members have joined the group. Stable: Members in the consumer group can consume messages. "
coordinator_id	Integer	Coordinator ID.
group_desc	String	Consumer group description.
lag	Long	Number of accumulated messages.

Example Requests

Querying the consumer group list

GET https://{endpoint}/v2/{project_id}/instances/{instance_id}/groups?offest={offest}&limit={limit}&group={group}

Example Responses

Status code: 200

All consumer groups are queried successfully.

{
  "groups" : [ {
    "createdAt" : 1691401194847,
    "group_id" : "consumer-1",
    "state" : "EMPTY",
    "coordinator_id" : 1,
    "lag" : 0,
    "group_desc" : null
  }, {
    "createdAt" : 1691401194960,
    "group_id" : "consumer-2",
    "state" : "STABLE",
    "coordinator_id" : 2,
    "lag" : 0,
    "group_desc" : null
  }, {
    "createdAt" : 1691401207309,
    "group_id" : "consumer-3",
    "state" : "STABLE",
    "coordinator_id" : 3,
    "lag" : 0,
    "group_desc" : null
  } ],
  "total" : 3
}

Status Codes

Status Code	Description
200	All consumer groups are queried successfully.

Error Codes

See Error Codes.

Parent topic: Instance Management

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