Get Consumer Group Lag Summary
GET/kafka/v3/clusters/:cluster_id/consumer-groups/:consumer_group_id/lag-summary
Return the maximum and total lag of the consumers belonging to the specified consumer group.
Request
Responses
- 200
- 400
- 401
- 403
- 429
- 5XX
The max and total consumer lag in a consumer group.
Indicates a bad request error. It could be caused by an unexpected request body format or other forms of request validation failure.
Indicates a client authentication error. Kafka authentication failures will contain error code 40101 in the response body.
Indicates a client authorization error. Kafka authorization failures will contain error code 40301 in the response body.
Indicates that a rate limit threshold has been reached, and the client should retry again later.
A server-side problem that might not be addressable from the client side. Retriable Kafka errors will contain error code 50003 in the response body.
OpenAPI definition (YAML)
paths:
/kafka/v3/clusters/{cluster_id}/consumer-groups/{consumer_group_id}/lag-summary:
get:
operationId: getKafkaConsumerGroupLagSummary
description: '[](#section/Versioning/API-Lifecycle-Policy)
[](https://docs.confluent.io/cloud/current/clusters/cluster-types.html#dedicated-cluster)
Return the maximum and total lag of the consumers belonging to the
specified consumer group.'
tags:
- Consumer Group (v3)
security:
- resource-api-key: []
- external-access-token: []
responses:
'200':
description: The max and total consumer lag in a consumer group.
content:
application/json:
schema:
allOf:
- type: object
required:
- kind
- metadata
properties:
kind:
type: string
metadata:
type: object
required:
- self
properties:
self:
type: string
resource_name:
type: string
nullable: true
title: ResourceMetadata
title: Resource
- type: object
required:
- cluster_id
- consumer_group_id
- max_lag_consumer_id
- max_lag_client_id
- max_lag_topic_name
- max_lag_partition_id
- max_lag
- total_lag
- max_lag_consumer
- max_lag_partition
properties:
cluster_id:
type: string
consumer_group_id:
type: string
max_lag_consumer_id:
type: string
max_lag_instance_id:
type: string
nullable: true
max_lag_client_id:
type: string
max_lag_topic_name:
type: string
max_lag_partition_id:
type: integer
max_lag:
type: integer
format: int64
total_lag:
type: integer
format: int64
max_lag_consumer:
type: object
required:
- related
properties:
related:
type: string
title: Relationship
max_lag_partition:
type: object
required:
- related
properties:
related:
type: string
title: Relationship
title: ConsumerGroupLagSummaryData
example:
kind: KafkaConsumerGroupLagSummary
metadata:
self: https://pkc-00000.region.provider.confluent.cloud/kafka/v3/clusters/cluster-1/consumer-groups/consumer-group-1/lag-summary
resource_name: crn:///kafka=cluster-1/consumer-groups=consumer-group-1/lag-summary
cluster_id: cluster-1
consumer_group_id: consumer-group-1
max_lag_consumer_id: consumer-1
max_lag_instance_id: consumer-instance-1
max_lag_client_id: client-1
max_lag_topic_name: topic-1
max_lag_partition_id: 1
max_lag: 100
total_lag: 110
max_lag_consumer:
related: https://pkc-00000.region.provider.confluent.cloud/kafka/v3/clusters/cluster-1/consumer-groups/consumer-group-1/consumers/consumer-1
max_lag_partition:
related: https://pkc-00000.region.provider.confluent.cloud/kafka/v3/clusters/cluster-1/topics/topic-1/partitions/1
'400':
description: Indicates a bad request error. It could be caused by an unexpected request body
format or other forms of request validation failure.
content:
application/json:
schema:
type: object
description: Describes a particular error encountered while performing an operation.
properties:
id:
description: A unique identifier for this particular occurrence of the problem.
type: string
maxLength: 255
status:
description: The HTTP status code applicable to this problem, expressed as a string
value.
type: string
code:
description: An application-specific error code, expressed as a string value.
type: string
title:
description: A short, human-readable summary of the problem. It **SHOULD NOT** change
from occurrence to occurrence of the problem, except for purposes of localization.
type: string
detail:
description: A human-readable explanation specific to this occurrence of the problem.
type: string
source:
type: object
description: If this error was caused by a particular part of the API request, the
source will point to the query string parameter or request body property that caused
it.
properties:
pointer:
description: A JSON Pointer [RFC6901] to the associated entity in the request
document [e.g. "/spec" for a spec object, or "/spec/title" for a specific field].
type: string
parameter:
description: A string indicating which query parameter caused the error.
type: string
error_code:
type: integer
format: int32
message:
type: string
nullable: true
additionalProperties: false
title: Error
examples:
bad_request_cannot_deserialize:
description: Thrown when trying to deserialize an integer from non-integer data.
value:
error_code: 400
message: 'Cannot deserialize value of type `java.lang.Integer` from String "A": not
a valid `java.lang.Integer` value'
unsupported_version_exception:
description: Thrown when the version of this API is not supported in the underlying
Kafka cluster.
value:
error_code: 40035
message: The version of this API is not supported in the underlying Kafka cluster.
'401':
description: Indicates a client authentication error. Kafka authentication failures will contain
error code 40101 in the response body.
content:
application/json:
schema:
type: object
description: Describes a particular error encountered while performing an operation.
properties:
id:
description: A unique identifier for this particular occurrence of the problem.
type: string
maxLength: 255
status:
description: The HTTP status code applicable to this problem, expressed as a string
value.
type: string
code:
description: An application-specific error code, expressed as a string value.
type: string
title:
description: A short, human-readable summary of the problem. It **SHOULD NOT** change
from occurrence to occurrence of the problem, except for purposes of localization.
type: string
detail:
description: A human-readable explanation specific to this occurrence of the problem.
type: string
source:
type: object
description: If this error was caused by a particular part of the API request, the
source will point to the query string parameter or request body property that caused
it.
properties:
pointer:
description: A JSON Pointer [RFC6901] to the associated entity in the request
document [e.g. "/spec" for a spec object, or "/spec/title" for a specific field].
type: string
parameter:
description: A string indicating which query parameter caused the error.
type: string
error_code:
type: integer
format: int32
message:
type: string
nullable: true
additionalProperties: false
title: Error
examples:
kafka_authentication_failed:
description: Thrown when using Basic authentication with wrong Kafka credentials.
value:
error_code: 40101
message: Authentication failed
'403':
description: Indicates a client authorization error. Kafka authorization failures will contain
error code 40301 in the response body.
content:
application/json:
schema:
type: object
description: Describes a particular error encountered while performing an operation.
properties:
id:
description: A unique identifier for this particular occurrence of the problem.
type: string
maxLength: 255
status:
description: The HTTP status code applicable to this problem, expressed as a string
value.
type: string
code:
description: An application-specific error code, expressed as a string value.
type: string
title:
description: A short, human-readable summary of the problem. It **SHOULD NOT** change
from occurrence to occurrence of the problem, except for purposes of localization.
type: string
detail:
description: A human-readable explanation specific to this occurrence of the problem.
type: string
source:
type: object
description: If this error was caused by a particular part of the API request, the
source will point to the query string parameter or request body property that caused
it.
properties:
pointer:
description: A JSON Pointer [RFC6901] to the associated entity in the request
document [e.g. "/spec" for a spec object, or "/spec/title" for a specific field].
type: string
parameter:
description: A string indicating which query parameter caused the error.
type: string
error_code:
type: integer
format: int32
message:
type: string
nullable: true
additionalProperties: false
title: Error
examples:
kafka_authorization_failed:
description: Thrown when the caller is not authorized to perform the underlying operation.
value:
error_code: 40301
message: Request is not authorized
'429':
description: Indicates that a rate limit threshold has been reached, and the client should retry
again later.
content:
text/html:
schema:
type: string
example:
description: A sample response from Jetty's DoSFilter.
value: <html> <head> <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
<title>Error 429 Too Many Requests</title> </head> <body> <h2>HTTP ERROR 429 Too Many
Requests</h2> <table> <tr> <th>URI:</th> <td>/v3/clusters/my-cluster</td> </tr> <tr>
<th>STATUS:</th> <td>429</td> </tr> <tr> <th>MESSAGE:</th> <td>Too Many Requests</td>
</tr> <tr> <th>SERVLET:</th> <td>default</td> </tr> </table> </body> </html>
5XX:
description: A server-side problem that might not be addressable from the client side. Retriable
Kafka errors will contain error code 50003 in the response body.
content:
application/json:
schema:
type: object
description: Describes a particular error encountered while performing an operation.
properties:
id:
description: A unique identifier for this particular occurrence of the problem.
type: string
maxLength: 255
status:
description: The HTTP status code applicable to this problem, expressed as a string
value.
type: string
code:
description: An application-specific error code, expressed as a string value.
type: string
title:
description: A short, human-readable summary of the problem. It **SHOULD NOT** change
from occurrence to occurrence of the problem, except for purposes of localization.
type: string
detail:
description: A human-readable explanation specific to this occurrence of the problem.
type: string
source:
type: object
description: If this error was caused by a particular part of the API request, the
source will point to the query string parameter or request body property that caused
it.
properties:
pointer:
description: A JSON Pointer [RFC6901] to the associated entity in the request
document [e.g. "/spec" for a spec object, or "/spec/title" for a specific field].
type: string
parameter:
description: A string indicating which query parameter caused the error.
type: string
error_code:
type: integer
format: int32
message:
type: string
nullable: true
additionalProperties: false
title: Error
examples:
generic_internal_server_error:
description: Thrown for generic HTTP 500 errors.
value:
error_code: 500
message: Internal Server Error
parameters:
- name: cluster_id
description: The Kafka cluster ID.
in: path
required: true
schema:
type: string
example: cluster-1
- name: consumer_group_id
description: The consumer group ID.
in: path
required: true
schema:
type: string
example: consumer-group-1
servers:
- url: https://pkc-00000.region.provider.confluent.cloud
x-audience: business-unit-internal
description: Confluent Cloud REST Endpoint. For example https://pkc-00000.region.provider.confluent.cloud