Updated on 2022-10-20 GMT+08:00

Querying Checkpoint Details

Function

This API is used to query checkpoint details.

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. The value can be in either of the following formats:- shardId-0000000000- 0

For example, if a stream has three partitions, the partition identifiers are 0, 1, and 2, or shardId-0000000000, shardId-0000000001, and shardId-0000000002, respectively.

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

The token 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: 204

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: 204

Normal response.

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

Status Codes

Status Code

Description

204

Normal response.

Error Codes

See Error Codes.