Gunakan GetDoctorHBaseCluster untuk mendapatkan metrik kluster HBase - E-MapReduce - Alibaba Cloud - E-MapReduce

Mendapatkan metrik kluster HBase.

Deskripsi operasi

dapatkan Doctor HBaseCluster

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:GetDoctorHBaseCluster

get

*All Resource

*

None

Parameter permintaan

Parameter	Type	Required	Description	Example
RegionId	string	Yes	ID region.	cn-hangzhou
ClusterId	string	Yes	ID kluster.	c-b933c5aac8fe****
DateTime	string	Yes	Tanggal.	2023-01-01

Elemen respons

Element	Type	Description	Example
	object	Parameter respons.
Data	object	Data yang dikembalikan.
Metrics	object	Informasi metrik.
TableCount	object	The number of tables.
Name	string	The name of the metric.	tableCount
Value	integer	The value of the metric.	10
Unit	string	The unit of the metric.	""
Description	string	The description of the metric.	Number of tables
TotalDataSize	object	The size of the cluster.
Name	string	The name of the metric.	totalDataSize
Value	integer	The value of the metric.	256
Unit	string	The unit of the metric.	MB
Description	string	The description of the metric.	Total data size in megabytes (MB)
TotalReadRequest	object	The total number of read requests.
Name	string	The name of the metric.	totalReadRequest
Value	integer	The value of the metric.	430
Unit	string	The unit of the metric.	""
Description	string	The description of the metric.	Total number of read requests
TotalWriteRequest	object	The total number of write requests.
Name	string	The name of the metric.	totalWriteRequest
Value	integer	The value of the metric.	520
Unit	string	The unit of the metric.	""
Description	string	The description of the metric.	Total number of write requests
AvgLoad	object	The average load.
Name	string	The name of the metric.	avgLoad
Value	number	The value of the metric.	36.0
Unit	string	The unit of the metric.	""
Description	string	The description of the metric.	The average load under normal working conditions
NormalAvgLoad	object	The normal average load.
Name	string	The name of the metric.	normalAvgLoad
Value	number	The value of the metric.	526.4
Unit	string	The unit of the metric.	""
Description	string	The description of the metric.	The average load under normal working conditions
RegionBalance	object	The region balance degree.
Name	string	The name of the metric.	regionBalance
Value	number	The value of the metric.	1.0
Unit	string	The unit of the metric.	""
Description	string	The description of the metric.	The ability to evenly distribute Regions on different RegionServer nodes
TotalRequest	object	The total number of requests in the cluster.
Name	string	The name of the metric.	totalRequest
Value	integer	The value of the metric.	576
Unit	string	The unit of the metric.	""
Description	string	The description of the metric.	Total number of requests
RegionServerCount	object	The number of region servers.
Name	string	The name of the metric.	regionServerCount
Value	integer	The value of the metric.	6
Unit	string	The unit of the metric.	""
Description	string	The description of the metric.	Number of region servers count
RegionCount	object	The number of regions.
Name	string	The name of the metric.	regionCount
Value	integer	The value of the metric.	161
Unit	string	The unit of the metric.	""
Description	string	The description of the metric.	Number of regions count
MemHeap	object	The memory size.
Name	string	The name of the metric.	memHeap
Value	integer	The value of the metric.	240
Unit	string	The unit of the metric.	MB
Description	string	The description of the metric.	Memory heap usage in megabytes (MB)
StoreFileCount	object	The number of StoreFiles.
Name	string	The name of the metric.	storeFileCount
Value	integer	The value of the metric.	298
Unit	string	The unit of the metric.	""
Description	string	The description of the metric.	Number of store files
DailyReadRequest	object	The number of read requests in a day.
Name	string	The name of the metric.	dailyReadRequest
Value	integer	The value of the metric.	430
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 write requests in a day.
Name	string	The name of the metric.	dailyWriteRequest
Value	integer	The value of the metric.	128
Unit	string	The unit of the metric.	""
Description	string	The description of the metric.	Number of write requests per day
Analysis	object	Hasil analisis.
HbaseScore	integer	The overall score of the HBase cluster.	85
RequestId	string	ID permintaan.	DD6B1B2A-5837-5237-ABE4-FF0C8944****

Contoh

Respons sukses

JSONformat

{
  "Data": {
    "Metrics": {
      "TableCount": {
        "Name": "tableCount",
        "Value": 10,
        "Unit": "\"\"",
        "Description": "Number of tables"
      },
      "TotalDataSize": {
        "Name": "totalDataSize",
        "Value": 256,
        "Unit": "MB",
        "Description": "Total data size in megabytes (MB)"
      },
      "TotalReadRequest": {
        "Name": "totalReadRequest",
        "Value": 430,
        "Unit": "\"\"",
        "Description": "Total number of read requests"
      },
      "TotalWriteRequest": {
        "Name": "totalWriteRequest",
        "Value": 520,
        "Unit": "\"\"",
        "Description": "Total number of write requests"
      },
      "AvgLoad": {
        "Name": "avgLoad",
        "Value": 36,
        "Unit": "\"\"",
        "Description": "The average load under normal working conditions"
      },
      "NormalAvgLoad": {
        "Name": "normalAvgLoad",
        "Value": 526.4,
        "Unit": "\"\"",
        "Description": "The average load under normal working conditions"
      },
      "RegionBalance": {
        "Name": "regionBalance",
        "Value": 1,
        "Unit": "\"\"",
        "Description": "The ability to evenly distribute Regions on different RegionServer nodes"
      },
      "TotalRequest": {
        "Name": "totalRequest",
        "Value": 576,
        "Unit": "\"\"",
        "Description": "Total number of requests"
      },
      "RegionServerCount": {
        "Name": "regionServerCount",
        "Value": 6,
        "Unit": "\"\"",
        "Description": "Number of region servers count"
      },
      "RegionCount": {
        "Name": "regionCount",
        "Value": 161,
        "Unit": "\"\"",
        "Description": "Number of regions count"
      },
      "MemHeap": {
        "Name": "memHeap",
        "Value": 240,
        "Unit": "MB",
        "Description": "Memory heap usage in megabytes (MB)"
      },
      "StoreFileCount": {
        "Name": "storeFileCount",
        "Value": 298,
        "Unit": "\"\"",
        "Description": "Number of store files"
      },
      "DailyReadRequest": {
        "Name": "dailyReadRequest",
        "Value": 430,
        "Unit": "\"\"",
        "Description": "Number of read requests per day"
      },
      "DailyWriteRequest": {
        "Name": "dailyWriteRequest",
        "Value": 128,
        "Unit": "\"\"",
        "Description": "Number of write requests per day"
      }
    },
    "Analysis": {
      "HbaseScore": 85
    }
  },
  "RequestId": "DD6B1B2A-5837-5237-ABE4-FF0C8944****"
}

Kode kesalahan

HTTP status code	Error code	Error message
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.