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E-MapReduce:GetDoctorHBaseRegionServer

Last Updated:Jun 11, 2026

Mengambil informasi server Wilayah HBase.

Deskripsi operasi

get Doctor HBaseRegionServer

Coba sekarang

Coba API ini di OpenAPI Explorer tanpa perlu penandatanganan manual. Panggilan yang berhasil akan secara otomatis menghasilkan contoh kode SDK sesuai dengan parameter Anda. Unduh kode tersebut dengan kredensial bawaan yang aman untuk penggunaan lokal.

Test

RAM authorization

Tabel berikut menjelaskan otorisasi yang diperlukan untuk memanggil API ini. Anda dapat menentukannya dalam kebijakan Resource Access Management (RAM). Kolom pada tabel dijelaskan sebagai berikut:

  • Action: Aksi yang dapat digunakan dalam elemen Action pada pernyataan kebijakan izin RAM untuk memberikan izin guna melakukan operasi tersebut.

  • API: API yang dapat Anda panggil untuk melakukan aksi tersebut.

  • Access level: Tingkat akses yang telah ditentukan untuk setiap API. Nilai yang valid: create, list, get, update, dan delete.

  • Resource type: Jenis resource yang mendukung otorisasi untuk melakukan aksi tersebut. Ini menunjukkan apakah aksi tersebut mendukung izin tingkat resource. Resource yang ditentukan harus kompatibel dengan aksi tersebut. Jika tidak, kebijakan tersebut tidak akan berlaku.

    • Untuk API dengan izin tingkat resource, jenis resource yang diperlukan ditandai dengan tanda bintang (*). Tentukan Nama Sumber Daya Alibaba Cloud (ARN) yang sesuai dalam elemen Resource pada kebijakan.

    • Untuk API tanpa izin tingkat resource, ditampilkan sebagai All Resources. Gunakan tanda bintang (*) dalam elemen Resource pada kebijakan.

  • Condition key: Kunci kondisi yang didefinisikan oleh layanan. Kunci ini memungkinkan kontrol granular, berlaku baik hanya untuk aksi maupun untuk aksi yang terkait dengan resource tertentu. Selain kunci kondisi spesifik layanan, Alibaba Cloud menyediakan serangkaian common condition keys yang berlaku di semua layanan yang didukung RAM.

  • Dependent action: Aksi dependen yang diperlukan untuk menjalankan aksi tersebut. Untuk menyelesaikan aksi tersebut, pengguna RAM atau role RAM harus memiliki izin untuk melakukan semua aksi dependen.

Action

Access level

Resource type

Condition key

Dependent action

emr:GetDoctorHBaseRegionServer

get

*All Resource

*

None None

Parameter permintaan

Parameter

Type

Required

Description

Example

RegionId

string

Yes

ID wilayah.

cn-hangzhou

ClusterId

string

Yes

ID kluster.

c-b933c5aac8fe****

DateTime

string

Yes

Tanggal.

2023-01-01

RegionServerHost

string

Yes

Host server Wilayah.

emr-worker-4.cluster-20****

Elemen respons

Element

Type

Description

Example

object

The response parameters.

Data

object

The returned data.

Metrics

object

The metric information.

RegionCount

object

The number of regions.

Name

string

The name of the metric.

regionCount

Value

integer

The value of the metric.

15

Unit

string

The unit of the metric.

""

Description

string

The description of the metric.

Number of regions count

TotalReadRequest

object

The cumulative number of read requests.

Name

string

The name of the metric.

totalReadRequest

Value

integer

The value of the metric.

1000

Unit

string

The unit of the metric.

""

Description

string

The description of the metric.

Total number of read requests

TotalWriteRequest

object

The cumulative number of write requests.

Name

string

The name of the metric.

totalWriteRequest

Value

integer

The value of the metric.

1000

Unit

string

The unit of the metric.

""

Description

string

The description of the metric.

Total number of write requests

TotalRequest

object

The cumulative number of total requests.

Name

string

The name of the metric.

totalRequest

Value

integer

The value of the metric.

1000

Unit

string

The unit of the metric.

""

Description

string

The description of the metric.

Total number of requests

DailyReadRequest

object

The number of daily read requests.

Name

string

The name of the metric.

dailyReadRequest

Value

integer

The value of the metric.

1000

Unit

string

The unit of the metric.

""

Description

string

The description of the metric.

Number of read requests per day

DailyWriteRequest

object

The number of daily write requests.

Name

string

The name of the metric.

dailyWriteRequest

Value

integer

The value of the metric.

1000

Unit

string

The unit of the metric.

""

Description

string

The description of the metric.

Number of write requests per day

AvgGc

object

The average garbage collection (GC) duration.

Name

string

The name of the metric.

avgGc

Value

number

The value of the metric.

42.3

Unit

string

The unit of the metric.

""

Description

string

The description of the metric.

The efficiency of garbage collection in the system

CacheRatio

object

The cache hit ratio.

Name

string

The name of the metric.

cacheRatio

Value

number

The value of the metric.

95.3

Unit

string

The unit of the metric.

""

Description

string

The description of the metric.

Ratio of the BlockCache memory size

DailyReadRequestDayGrowthRatio

object

The day-to-day increment rate of the number of daily read requests.

Name

string

The name of the metric.

dailyReadRequestDayGrowthRatio

Value

number

The value of the metric.

1.0

Unit

string

The unit of the metric.

""

Description

string

The description of the metric.

The growth rate of daily read request quantity.

DailyWriteRequestDayGrowthRatio

object

The day-to-day increment rate of the number of daily write requests.

Name

string

The name of the metric.

dailyWriteRequestDayGrowthRatio

Value

number

The value of the metric.

1.0

Unit

string

The unit of the metric.

""

Description

string

The description of the metric.

The growth rate of daily write request quantity.

RequestId

string

The request ID.

DD6B1B2A-5837-5237-ABE4-FF0C8944****

Contoh

Respons sukses

JSONformat

{
  "Data": {
    "Metrics": {
      "RegionCount": {
        "Name": "regionCount",
        "Value": 15,
        "Unit": "\"\"",
        "Description": "Number of regions count"
      },
      "TotalReadRequest": {
        "Name": "totalReadRequest",
        "Value": 1000,
        "Unit": "\"\"",
        "Description": "Total number of read requests"
      },
      "TotalWriteRequest": {
        "Name": "totalWriteRequest\t",
        "Value": 1000,
        "Unit": "\"\"",
        "Description": "Total number of write requests"
      },
      "TotalRequest": {
        "Name": "totalRequest",
        "Value": 1000,
        "Unit": "\"\"",
        "Description": "Total number of requests"
      },
      "DailyReadRequest": {
        "Name": "dailyReadRequest",
        "Value": 1000,
        "Unit": "\"\"",
        "Description": "Number of read requests per day"
      },
      "DailyWriteRequest": {
        "Name": "dailyWriteRequest",
        "Value": 1000,
        "Unit": "\"\"",
        "Description": "Number of write requests per day"
      },
      "AvgGc": {
        "Name": "avgGc",
        "Value": 42.3,
        "Unit": "\"\"",
        "Description": "The efficiency of garbage collection in the system"
      },
      "CacheRatio": {
        "Name": "cacheRatio",
        "Value": 95.3,
        "Unit": "\"\"",
        "Description": "Ratio of the BlockCache memory size"
      },
      "DailyReadRequestDayGrowthRatio": {
        "Name": "dailyReadRequestDayGrowthRatio",
        "Value": 1,
        "Unit": "\"\"",
        "Description": "The growth rate of daily read request quantity.\n"
      },
      "DailyWriteRequestDayGrowthRatio": {
        "Name": "dailyWriteRequestDayGrowthRatio",
        "Value": 1,
        "Unit": "\"\"",
        "Description": "The growth rate of daily write request quantity."
      }
    }
  },
  "RequestId": "DD6B1B2A-5837-5237-ABE4-FF0C8944****"
}

Kode kesalahan

HTTP status code

Error code

Error message

Description

400 ConflictParameters Parameters that must not be used together. %s
400 IncompleteSignature The request signature is invalid.
400 InvalidAction The action %s requested is invalid.
400 InvalidParameter The specified parameter %s is not valid.
400 InvalidParameterValue The input parameter %s is invalid or out of range.
400 MissingAction The action %s requested is missing.
400 MissingParameter The input parameter %s that is mandatory for processing this request is not supplied.
400 NotAuthorized You do not have permission to perform this action. %s
400 ThrottlingException The request was denied due to request throttling. %s
500 InternalError The request processing has failed due to some unknown error, exception or failure.
404 ResourceNotFound The resource not found by %s.
503 ServiceFailure The request has failed due to a temporary failure of %s service.
503 ServiceUnavailable The request has failed due to a temporary failure of the server.

Lihat Error Codes untuk daftar lengkap.

Catatan rilis

Lihat Release Notes untuk daftar lengkap.