Changing Partition Quantity¶
Function¶
This API is used to change the number of partitions in a specific stream.
URI¶
PUT /v2/{project_id}/streams/{stream_name}
Parameter | Mandatory | Type | Description |
---|---|---|---|
project_id | Yes | String | Project ID. |
stream_name | Yes | String | Name of the stream whose partition quantity needs to be changed. Maximum: 64 |
Request 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. |
Parameter | Mandatory | Type | Description |
---|---|---|---|
stream_name | Yes | String | Name of the stream whose partition quantity needs to be changed. Maximum: 64 |
target_partition_count | Yes | Integer | Number of the target partitions The value is an integer greater than 0. If the value is greater than the number of current partitions, scaling-up is required. If the value is less than the number of current partitions, scale-down is required. Note: Each stream can be scaled up and down for five times within one hour. After a stream is scaled up or down, it cannot be scaled up or down again in the next one hour. Minimum: 0 |
Response Parameters¶
None
Example Requests¶
Changing Partition Quantity
PUT https://{Endpoint}/v2/{project_id}/streams/{stream_name}
{
"stream_name" : "newstream",
"target_partition_count" : 5
}
Example Responses¶
None
Status Codes¶
Status Code | Description |
---|---|
200 | Normal response. |
Error Codes¶
See Error Codes.