Updated on 2024-04-09 GMT+08:00

Querying the Slow Log

Function

This API is used to query slow logs.

Calling Method

For details, see Calling APIs.

URI

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

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID. For details, see Obtaining a Project ID.

instance_id

Yes

String

Instance ID.

Table 2 Query Parameters

Parameter

Mandatory

Type

Description

offset

No

Integer

Offset, which is the position where the query starts. The value must be no less than 0.

limit

No

Integer

Number of items displayed on each page.

sort_key

No

String

Specifies the keyword based on which the return results are sorted. The value can be start_time or duration. The default value is start_time.

Enumeration values:

  • start_time

  • duration

sort_dir

No

String

Result sorting order. The value can be desc (descending order) or asc (ascending order). The default value is desc.

Enumeration values:

  • desc

  • asc

start_time

Yes

String

Query start time (UTC). Example: 1598803200000.

end_time

Yes

String

Query end time (UTC). Example: 1599494399000.

Request Parameters

None

Response Parameters

Status code: 200

Table 3 Response body parameters

Parameter

Type

Description

total_num

Integer

Total number of slow logs.

count

Integer

Total.

slowlogs

Array of SlowlogItem objects

Slow log list.

Table 4 SlowlogItem

Parameter

Type

Description

id

Integer

Unique ID of a slow log.

command

String

Slow command.

start_time

String

Execution start time. Example: 2020-06-19T07:06:07Z.

duration

String

Duration, in ms.

shard_name

String

Name of the shard where the slow command is executed. This parameter is supported only when the instance type is cluster.

database_id

Integer

Database ID, which is available only to some customers.

username

String

Account name that can operate slow logs. This parameter is available only to designated customers.

Status code: 400

Table 5 Response body parameters

Parameter

Type

Description

error_msg

String

Error message.

Maximum: 1024

error_code

String

Error code.

Maximum: 9

error_ext_msg

String

Extended error information. This parameter is not used currently and is set to null.

Maximum: 1024

Status code: 401

Table 6 Response body parameters

Parameter

Type

Description

error_msg

String

Error message.

Maximum: 1024

error_code

String

Error code.

Maximum: 9

error_ext_msg

String

Extended error information. This parameter is not used currently and is set to null.

Maximum: 1024

Status code: 403

Table 7 Response body parameters

Parameter

Type

Description

error_msg

String

Error message.

Maximum: 1024

error_code

String

Error code.

Maximum: 9

error_ext_msg

String

Extended error information. This parameter is not used currently and is set to null.

Maximum: 1024

Status code: 404

Table 8 Response body parameters

Parameter

Type

Description

error_msg

String

Error message.

Maximum: 1024

error_code

String

Error code.

Maximum: 9

error_ext_msg

String

Extended error information. This parameter is not used currently and is set to null.

Maximum: 1024

Status code: 500

Table 9 Response body parameters

Parameter

Type

Description

error_msg

String

Error message.

Maximum: 1024

error_code

String

Error code.

Maximum: 9

error_ext_msg

String

Extended error information. This parameter is not used currently and is set to null.

Maximum: 1024

Example Requests

GET https://{dcs_endpoint}/v2/a4d31cb6-3d72-4fdc-8ec9-6e3a41e47f71/instances/5560df16-cebf-4473-95c4-d1b573c16e79/slowlog?start_time=1598803200000&end_time=1599494399000

Example Responses

Status code: 200

Slow logs queried successfully.

{
  "total_num" : 1,
  "count" : 1,
  "slowlogs" : [ {
    "id" : 1,
    "start_time" : "2020-06-19T07:06:07Z",
    "command" : "SLOWLOG GET 128",
    "duration" : "17",
    "shard_name" : "group-0",
    "database_id" : 1,
    "username" : "default"
  } ]
}

Status code: 400

Invalid request.

{
  "error_code" : "DCS.4800",
  "error_msg" : "Invalid start_time in the request."
}

SDK Sample Code

The SDK sample code is as follows.

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package com.huaweicloud.sdk.test;

import com.huaweicloud.sdk.core.auth.ICredential;
import com.huaweicloud.sdk.core.auth.BasicCredentials;
import com.huaweicloud.sdk.core.exception.ConnectionException;
import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
import com.huaweicloud.sdk.core.exception.ServiceResponseException;
import com.huaweicloud.sdk.dcs.v2.region.DcsRegion;
import com.huaweicloud.sdk.dcs.v2.*;
import com.huaweicloud.sdk.dcs.v2.model.*;


public class ListSlowlogSolution {

    public static void main(String[] args) {
        // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
        // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
        String ak = System.getenv("CLOUD_SDK_AK");
        String sk = System.getenv("CLOUD_SDK_SK");

        ICredential auth = new BasicCredentials()
                .withAk(ak)
                .withSk(sk);

        DcsClient client = DcsClient.newBuilder()
                .withCredential(auth)
                .withRegion(DcsRegion.valueOf("<YOUR REGION>"))
                .build();
        ListSlowlogRequest request = new ListSlowlogRequest();
        request.withOffset(<offset>);
        request.withLimit(<limit>);
        request.withSortKey(ListSlowlogRequest.SortKeyEnum.fromValue("<sort_key>"));
        request.withSortDir(ListSlowlogRequest.SortDirEnum.fromValue("<sort_dir>"));
        request.withStartTime("<start_time>");
        request.withEndTime("<end_time>");
        try {
            ListSlowlogResponse response = client.listSlowlog(request);
            System.out.println(response.toString());
        } catch (ConnectionException e) {
            e.printStackTrace();
        } catch (RequestTimeoutException e) {
            e.printStackTrace();
        } catch (ServiceResponseException e) {
            e.printStackTrace();
            System.out.println(e.getHttpStatusCode());
            System.out.println(e.getRequestId());
            System.out.println(e.getErrorCode());
            System.out.println(e.getErrorMsg());
        }
    }
}
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# coding: utf-8

from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkdcs.v2.region.dcs_region import DcsRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkdcs.v2 import *

if __name__ == "__main__":
    # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak = __import__('os').getenv("CLOUD_SDK_AK")
    sk = __import__('os').getenv("CLOUD_SDK_SK")

    credentials = BasicCredentials(ak, sk) \

    client = DcsClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(DcsRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = ListSlowlogRequest()
        request.offset = <offset>
        request.limit = <limit>
        request.sort_key = "<sort_key>"
        request.sort_dir = "<sort_dir>"
        request.start_time = "<start_time>"
        request.end_time = "<end_time>"
        response = client.list_slowlog(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)
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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    dcs "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/v2"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/v2/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/v2/region"
)

func main() {
    // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak := os.Getenv("CLOUD_SDK_AK")
    sk := os.Getenv("CLOUD_SDK_SK")

    auth := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        Build()

    client := dcs.NewDcsClient(
        dcs.DcsClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.ListSlowlogRequest{}
	offsetRequest:= int32(<offset>)
	request.Offset = &offsetRequest
	limitRequest:= int32(<limit>)
	request.Limit = &limitRequest
	sortKeyRequest:= model.GetListSlowlogRequestSortKeyEnum().<SORT_KEY>
	request.SortKey = &sortKeyRequest
	sortDirRequest:= model.GetListSlowlogRequestSortDirEnum().<SORT_DIR>
	request.SortDir = &sortDirRequest
	request.StartTime = "<start_time>"
	request.EndTime = "<end_time>"
	response, err := client.ListSlowlog(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.

Status Codes

Status Code

Description

200

Slow logs queried successfully.

400

Invalid request.

401

Invalid authentication information.

403

The request is rejected.

404

The requested resource is not found.

500

Internal service error.

Error Codes

See Error Codes.