Help Center/ Distributed Database Middleware/ API Reference/ APIs (Recommended)/ Monitoring/ Monitoring Slow Query Logs
Updated on 2022-09-15 GMT+08:00
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Monitoring Slow Query Logs

Function

This API is used to query the SQL statements that take a long time to execute on the DDM instance within a specified time range.

Constraints

None

URI

GET /v2/{project_id}/instances/{instance_id}/slowlog

Table 1 Path parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID

instance_id

Yes

String

DDM instance ID
Table 2 Query parameters

Parameter

Mandatory

Type

Description

curPage

Yes

String

Which page the server starts returning items. The start value cannot be less than 0.

perPage

Yes

String

Number of records displayed on each page

startDate

Yes

String

Start time in UTC, accurate to milliseconds

endDate

Yes

String

End time in UTC, accurate to milliseconds The interval between the start time and the end time must be no more than 7 days.

Request Parameters

Table 3 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

User token

It can be obtained by calling an IAM API. The value of X-Subject-Token in the response header is the user token.

Response Parameters

Status code: 200

Table 4 Response body parameters

Parameter

Type

Description

totalRecord

Integer

Number of slow query logs

slowLogList

Array of SlowLogList objects

Information about slow query logs
Table 5 SlowLogList

Parameter

Type

Description

users

String

Username of the DDM account for executing the slow SQL statement

database

String

Name of the schema where the slow SQL statement is executed

querySample

String

Syntax for executing the slow SQL statement

logTime

String

Time when the slow SQL statement starts to be executed

time

String

Time for a SQL statement to execute, accurate to milliseconds

shards

String

Name of the physical shard

rowsExamined

String

Number of rows affected by the SQL statements that take a long time to execute

host

String

Client IP address. This IP address may involve personal data. Anonymizing the IP address data is recommended.

Status code: 400

Table 6 Response body parameters

Parameter

Type

Description

errCode

String

Service error code

externalMessage

String

Error message

Status code: 500

Table 7 Response body parameters

Parameter

Type

Description

errCode

String

Service error code

externalMessage

String

Error message

Example Request

GET https://{endpoint}/v2/{project_id}/instances/{instance_id}/slowlog?curPage={curPage}&perPage={perPage}&startDate={startDate}&endDate={endDate}

Example Response

Status code: 200

OK

{
  "totalRecord" : 2,
  "slowLogList" : [ {
    "users" : "testddm",
    "database" : "test1",
    "querySample" : "select id, sleep(3) from test",
    "logTime" : "2021-04-26T02:40:21",
    "time" : "12002",
    "shards" : "test1_0000",
    "rowsExamined" : "4",
    "host" : "192.168.16.18"
  } ]
}

Status code: 400

bad request

{
  "externalMessage" : "Parameter error.",
  "errCode" : "DBS.280001"
}

Status code: 500

server error

{
  "externalMessage" : "Server failure.",
  "errCode" : "DBS.200412"
}

Status Codes

Status Code

Description

200

OK

400

bad request

500

server error

Error Codes

For details, see Error Codes.

Parent topic: Monitoring