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Querying Slow Query Logs

Updated on 2025-02-10 GMT+08:00

Function

This API is used to query slow query logs of a specified DB instance. Before calling this API:

URI

POST /v3.1/{project_id}/instances/{instance_id}/slow-logs

Table 1 URI parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Explanation:

Project ID of a tenant in a region.

To obtain this value, see Obtaining a Project ID.

Constraints:

None

Value range:

The value can contain 32 characters. Only letters and digits are allowed.

Default value:

None

instance_id

Yes

String

Explanation:

Instance ID, which uniquely identifies an instance.

Constraints:

None

Value range:

The value can contain 36 characters with a suffix of in07. Only letters and digits are allowed.

Default value:

None

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

Explanation:

User token.

It 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 token value.

Constraints:

None

Value range:

None

Default value:

None

X-Language

No

String

Explanation:

Request language type.

Constraints:

None

Value range:

  • en-us
  • zh-cn

Default value:

en-us

Table 3 Request body parameters

Parameter

Mandatory

Type

Description

node_id

Yes

String

Explanation:

Node ID.

Constraints:

None

Value range:

The value can contain 36 characters, starting with a UUID and ending with no07. Only letters and digits are allowed.

Default value:

None

start_time

Yes

String

Explanation:

Start time in the "yyyy-mm-ddThh:mm:ssZ" format.

T is the separator between the calendar and the hourly notation of time. Z indicates the time zone offset. For example, if the time zone offset is one hour, the value of Z is +0100.

Constraints:

None

Value range:

The time is earlier than the current time.

Default value:

None

end_time

Yes

String

Explanation:

End time in the "yyyy-mm-ddThh:mm:ssZ" format.

T is the separator between the calendar and the hourly notation of time. Z indicates the time zone offset. For example, if the time zone offset is one hour, the value of Z is +0100.

Constraints:

None

Value range:

The time is later than the start time and earlier than the current time.

Default value:

None

limit

Yes

Integer

Explanation:

Number of records to be queried.

Constraints:

None

Value range:

1–5000

Default value:

None

line_num

No

String

Explanation:

Sequence number of a log event. This parameter is not required for the first query, but is required for subsequent pagination queries. The value can be obtained from the response of the last query.

Constraints:

None

Value range:

The value is a string of 13 digits.

Default value:

None

operate_type

No

String

Explanation:

SQL statement type.

Constraints:

None

Value range:

If this parameter is left blank or set to ALL, all statement types are queried.

You can also specify the following log types:

  • INSERT
  • UPDATE
  • SELECT
  • DELETE
  • ALTER
  • DROP
  • CREATE

Default value:

None

database

No

String

Explanation:

Database that slow query logs belong to.

Constraints:

None

Value range:

None

Default value:

None

Response Parameters

Status code: 200

Table 4 Response body parameter

Parameter

Type

Description

slow_log_list

Array of LtsLogSlowDetail objects

Explanation:

Slow query logs.

Table 5 LtsLogSlowDetail

Parameter

Type

Description

node_id

String

Explanation:

Node ID.

Value range:

The value can contain 36 characters, starting with a UUID and ending with no07. Only letters and digits are allowed.

count

String

Explanation:

Number of executions.

Value range:

None

time

String

Explanation:

Execution time.

Value range:

None

lock_time

String

Explanation:

Lock wait time.

Value range:

None

rows_sent

String

Explanation:

Number of sent rows.

Value range:

None

rows_examined

String

Explanation:

Number of scanned rows.

Value range:

None

database

String

Explanation:

Database that slow query logs belong to.

Value range:

gaussdb-mysql

users

String

Explanation:

Account name.

Value range:

None

query_sample

String

Explanation:

Execution syntax.

Value range:

None

type

String

Explanation:

Statement type.

Value range:

  • INSERT
  • UPDATE
  • SELECT
  • DELETE
  • ALTER
  • DROP
  • CREATE

start_time

String

Explanation:

Start time in the UTC format.

Value range:

None

client_ip

String

Explanation:

IP address.

Value range:

None

line_num

String

Explanation:

Sequence number of a log event.

Value range:

None

Status code: 400

Table 6 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Status code: 500

Table 7 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Example Request

Querying slow query logs

POST https://{endpoint}/v3.1/056538411200d4cd2f79c003c7606412/instances/096c0fc43e804757b59946b80dc27f8bin07/slow-logs
{
  "start_time" : "2022-11-20T00:00:00+0800",
  "end_time" : "2022-11-29T00:00:00+0800",
  "node_id" : "cc07c60e94ec4575989840e648fb4f66no07",
  "limit" : 10,
  "line_num" : 1669344916000
}

Example Response

Status code: 200

Success.

{
  "slow_log_list" : [ {
    "node_id" : "cc07c60e94ec4575989840e648fb4f66no07",
    "count" : 1,
    "time" : "1.04899 s",
    "lock_time" : "0.00003 s",
    "rows_sent" : 0,
    "rows_examined" : 0,
    "database" : "gaussdb-mysql",
    "users" : "root",
    "query_sample" : "INSERT INTO time_zone_name (Name, Time_zone_id) VALUES (N @time_zone_id);",
    "type" : "INSERT",
    "start_time" : "2022-11-25T10:55:16.000",
    "client_ip" : "192.*.*.1",
    "line_num" : 1669344916000
  } ]
}

Status Code

For details, see Status Codes.

Error Code

For details, see Error Codes.

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