Querying Checkpoint Details

Function

This API is used to query checkpoint details.

Calling Method

For details, see Calling APIs.

URI

GET /v2/{project_id}/checkpoints

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID

Table 2 Query Parameters

Parameter

Mandatory

Type

Description

stream_name

Yes

String

Name of the stream to which the checkpoint belongs

partition_id

Yes

String

Identifier of the stream partition to which the checkpoint belongs.Two partition ID formats are available:- shardId-0000000000- 0For example, if a stream has three partitions, the partition IDs are 0, 1, and 2, or shardId-0000000000, shardId-0000000001, and shardId-0000000002.

app_name

Yes

String

Name of the app associated with the checkpoint

checkpoint_type

Yes

String

Type of the checkpoint.

  • LAST_READ: Only sequence numbers are recorded in databases.

Enumeration values:

  • LAST_READ

Request Parameters

Table 3 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

User token.

It can be obtained by calling the IAM API used to obtain a user token. The value of X-Subject-Token in the response header is the user token.

Response Parameters

Status code: 200

Table 4 Response body parameters

Parameter

Type

Description

sequence_number

String

Sequence number used to record the consumption checkpoint of the stream

metadata

String

Metadata information of the consumer application

Example Requests

Querying Checkpoint Details

GET https://{Endpoint}/v2/{project_id}/checkpoints

Example Responses

Status code: 200

Normal response

{
  "sequence_number" : "newstram",
  "metadata" : ""
}

Status Codes

Status Code

Description

200

Normal response

Error Codes

See Error Codes.