Splits a specified shard that is in the readwrite state.

Description

Host consists of a project name and a Log Service endpoint. You must specify a project in Host.

Request headers

This operation uses only common request headers. For more information, see Common request headers.

Request syntax

POST /logstores/{logstore}/shards/{shard}?action=split HTTP/1.1

Request parameters

Parameter Type Location Required Example Description
project String Host No ali-test-project

The name of the project.

logstore String Path No logstorename

The name of the Logstore.

shard Integer Path No 33

The ID of the shard.

key String Query No ef000000000000000000000000000000

The position from which the shard is split.

shardCount Integer Query No 2

The number of shards into which the shard is split.

Response parameters

Parameter Type Example Description
Server String nginx

The name of the server.

Content-Length String 20

The length of the response body.

Connection String close

Indicates whether the connection is persistent. Valid values:

  • close: The connection is non-persistent. A new TCP connection is established for each HTTP request.
  • keep-alive: The connection is persistent. After a TCP connection is established, the connection remains open, and no more time or bandwidth is consumed to establish new connections.
Access-Control-Allow-Origin String *

Indicates whether code from any origin is allowed to access the resource.

Date String Sun, 27 May 2018 08:25:04 GMT

The time at which the response is returned.

x-log-requestid String 5B0A6B60BB6EE39764D458B5

The unique ID of the request. The ID is generated by Log Service.

content-type String application/json

The type of the response body. Valid values: application/json and application/x-protobuf.

shardID Long 33

The ID of the shard.

status String readonly

The status of the shard. Valid values:

  • readonly
  • readwrite
inclusiveBeginKey String ee000000000000000000000000000000

The start of the MD5 hash range.

exclusiveEndKey String ffffffffffffffffffffffffffffffff

The end of the MD5 hash range.

createTime String 1453949705

The timestamp at which the shard was created. The timestamp follows the UNIX time format. It is the number of seconds that have elapsed since 00:00:00 Thursday, January 1, 1970.

Examples

Sample requests

POST /logstores/logstorename/shards/{shard}?action=split?key=ef000000000000000000000000000000&shardCount=2 HTTP/1.1
Host:ali-test-project.cn-hangzhou.log.aliyuncs.com
Content-Type:application/json

Sample success responses

JSON format

HTTP/1.1 200 OK
Content-Type:application/json

{
  "shardID" : 33,
  "status" : "readonly",
  "inclusiveBeginKey" : "ee000000000000000000000000000000",
  "exclusiveEndKey" : "ffffffffffffffffffffffffffffffff",
  "createTime" : "1453949705"
}

Error codes

For a list of error codes, visit the API Error Center.

HTTP status code

Error code

Error message

Description

404

ProjectNotExist

Project does not exist.

The error message returned because the specified project does not exist.

404

LogStoreNotExist

Logstore does not exist.

The error message returned because the specified Logstore does not exist.

400

ParameterInvalid

invalid shard id.

The error message returned because the specified shard ID is invalid.

400

ParameterInvalid

invalid mid hash.

The error message returned because the specified key parameter is invalid.

400

LogStoreWithoutShard

logstore has no shard.

The error message returned because no shards exist in the specified Logstore.

500

InternalServerError

Specified Server Error Message.

The error message returned because an internal server error has occurred.

For more information, see Common error codes.