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Simple Log Service:CreateIndex

Last Updated:Feb 04, 2026

Creates indexes for a Logstore.

Operation description

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

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Test

RAM authorization

No authorization for this operation. If you encounter issues with this operation, contact technical support.

Request syntax

POST /logstores/{logstore}/index HTTP/1.1

Path Parameters

Parameter

Type

Required

Description

Example

logstore

string

Yes

The name of the Logstore.

ali-logstore-test

Request parameters

Parameter

Type

Required

Description

Example

project

string

Yes

The name of the project.

ali-project-test

body

object

No

The request body.

keys

object

No

The configuration of field indexes. A field index is a key-value pair in which the key specifies the name of the field and the value specifies the index configuration of the field. You must specify this parameter, the line parameter, or both parameters. For more information, see Example.

object

No

The index configuration of the field.

caseSensitive

boolean

No

Specifies whether to enable case sensitivity. This parameter is required only when type is set to text. Valid values:

  • true

  • false (default)

false

chn

boolean

No

Specifies whether to include Chinese characters. This parameter is required only when type is set to text. Valid values:

  • true

  • false (default)

false

type

string

Yes

The data type of the field value. Valid values: text, json, double, and long.

text

alias

string

No

The alias of the field.

myAlias

token

array

No

The delimiters that are used to split text.

string

No

The delimiter.

.

doc_value

boolean

No

Specifies whether to turn on Enable Analytics for the field.

false

line

object

No

The configuration of full-text indexes. You must specify this parameter, the keys parameter, or both parameters. For more information, see Example.

chn

boolean

No

Specifies whether to include Chinese characters. Valid values:

  • true

  • false (default)

false

caseSensitive

boolean

No

Specifies whether to enable case sensitivity. Valid values:

  • true

  • false (default)

false

token

array

Yes

The delimiters. You can specify a delimiter to delimit the content of a field value. For more information about delimiters, see Example.

string

No

The delimiter. You can specify a delimiter to delimit the content of a field value. For more information about delimiters, see Example.

,

include_keys

array

No

The included fields. You cannot specify both include_keys and exclude_keys.

string

No

The included field. You cannot specify both include_keys and exclude_keys.

includeKey

exclude_keys

array

No

The excluded fields. You cannot specify both include_keys and exclude_keys.

string

No

The excluded field. You cannot specify both include_keys and exclude_keys.

excludeKey

ttl

integer

No

The retention period of logs. Unit: days. Valid values: 7, 30, and 90.

30

max_text_len

integer

No

The maximum length of a field value that can be retained. Default value: 2048. Unit: bytes. The default value is equal to 2 KB. You can change the value of max_text_len. Valid values: 64 to 16384.

2048

log_reduce

boolean

No

Specifies whether to turn on LogReduce. After you turn on LogReduce, either the whitelist or blacklist takes effect.

false

log_reduce_white_list

array

No

The fields in the whitelist that you want to use to cluster logs.

string

No

The field in the whitelist that you want to use to cluster logs.

a

log_reduce_black_list

array

No

The fields in the blacklist that you want to use to cluster logs.

string

No

The field in the blacklist that you want to use to cluster logs.

b

Response elements

Element

Type

Description

Example

None defined.

Examples

Success response

JSON format

{}

Error codes

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.