分裂一个指定的 readwrite 状态的 Shard。

请求语法

POST /logstores/<logstorename>/shards/<shardid>?action=split&key=<splitkey> HTTP/1.1
Authorization: <AuthorizationString>
Date: <GMT Date>
Host: <Project Endpoint>
x-log-apiversion: 0.6.0
x-log-signaturemethod: hmac-sha1

请求参数

参数名称 类型 是否必须 描述
logstoreName string 是 日志库名称
shardid int 是 Shard ID
splitkey string 是 split 切分位置
请求头

无特有请求头。关于 Log Service API 的公共请求头，请参考 公共请求头。

响应头

Content-Type: application/json

无特有响应头。关于 Log Service API 的公共响应头，请参考 公共响应头。

响应元素
3 个 Shard 元素组成的数组，第一个 Shard 为 split 之前的 Shard，后两个为 split 的结果。 
[
    {
        "shardID": 33,
        "status": "readonly",
        "inclusiveBeginKey": "ee000000000000000000000000000000",
        "exclusiveEndKey": "ffffffffffffffffffffffffffffffff",
        "createTime": 1453949705
    },
    {
        "shardID": 163,
        "status": "readwrite",
        "inclusiveBeginKey": "ee000000000000000000000000000000",
        "exclusiveEndKey": "ef000000000000000000000000000000",
        "createTime": 1453949705
    },
    {
        "shardID": 164,
        "status": "readwrite",
        "inclusiveBeginKey": "ef000000000000000000000000000000",
        "exclusiveEndKey": "ffffffffffffffffffffffffffffffff",
        "createTime": 1453949705
    }
]
错误码

除了返回 Log Service API 的 通用错误码，还可能返回如下特有错误码：

HTTP状态码 ErrorCode ErrorMessage
404 LogStoreNotExist logstore {logstoreName} does not exist
400 ParameterInvalid invalid shard id
400 ParameterInvalid invalid mid hash
500 InternalServerError Specified Server Error Message
400 LogStoreWithoutShard logstore has no shard
说明 上表错误消息中 {name} 表示该部分会被具体的 LogstoreName 来替换。

示例

请求示例： 
POST /logstores/logstorename/shards/33?action=split&key=ef000000000000000000000000000000
Header :
{
    "Content-Length": 0, 
    "x-log-signaturemethod": "hmac-sha1", 
    "x-log-bodyrawsize": 0, 
    "User-Agent": "log-python-sdk-v-0.6.0", 
    "Host": "ali-test-project.cn-hangzhou.sls.aliyuncs.com", 
    "Date": "Thu, 12 Nov 2015 03:40:31 GMT", 
    "x-log-apiversion": "0.6.0", 
    "Authorization": "LOG 94to3z418yupi6ikawqqd370:xEOsJ3xeidfdgRq0GbvACiO37jH0I="
}
响应示例： 
Header:
{
    "content-length": "57", 
    "server": "nginx/1.6.1", 
    "connection": "close", 
    "date": "Thu, 12 Nov 2015 03:40:31 GMT", 
    "content-type": "application/json", 
    "x-log-requestid": "56440A2F99248C050600C74C"
}
Body :
[
    {
        "shardID": 33,
        "status": "readonly",
        "inclusiveBeginKey": "ee000000000000000000000000000000",
        "exclusiveEndKey": "ffffffffffffffffffffffffffffffff",
        "createTime": 1453949705
    },
    {
        "shardID": 163,
        "status": "readwrite",
        "inclusiveBeginKey": "ee000000000000000000000000000000",
        "exclusiveEndKey": "ef000000000000000000000000000000",
        "createTime": 1453949705
    },
    {
        "shardID": 164,
        "status": "readwrite",
        "inclusiveBeginKey": "ef000000000000000000000000000000",
        "exclusiveEndKey": "ffffffffffffffffffffffffffffffff",
        "createTime": 1453949705
    }
]