Obtains the information about multiple HBase tables at a time.
Debugging
Authorization information
The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:
- Operation: the value that you can use in the Action element to specify the operation on a resource.
- Access level: the access level of each operation. The levels are read, write, and list.
- Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- The required resource types are displayed in bold characters.
- If the permissions cannot be granted at the resource level,
All Resourcesis used in the Resource type column of the operation.
- Condition Key: the condition key that is defined by the cloud service.
- Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
| Operation | Access level | Resource type | Condition key | Associated operation |
|---|---|---|---|---|
| emr:ListDoctorHBaseTables | list | *All Resources * |
| none |
Request parameters
| Parameter | Type | Required | Description | Example |
|---|---|---|---|---|
| RegionId | string | Yes | The ID of the region. | cn-hangzhou |
| ClusterId | string | Yes | The ID of the cluster. | c-b933c5aac8fe**** |
| NextToken | string | No | Marks the current position to start reading. If this field is empty, the data is read from the beginning. | DD6B1B2A-5837-5237-ABE4-FF0C89568980 |
| MaxResults | integer | No | The maximum number of entries that are returned. | 20 |
| DateTime | string | Yes | The query date. | 2023-01-01 |
| TableNames | array | No | The table names, which are used to filter the query results. | |
| String | string | No | The table names. | namespace1:tb_item |
| OrderType | string | No | The order in which you want to sort the query results. Valid value:
| ASC |
| OrderBy | string | No | The field that you use to sort the query results. Valid values:
| tableSize |
Response parameters
Examples
Sample success responses
JSONformat
{
"Data": [
{
"TableName": "tb_item",
"Metrics": {
"RegionServerCount": {
"Name": "regionServerCount",
"Value": 2,
"Unit": "\"\"",
"Description": "Number of region servers count"
},
"RegionCount": {
"Name": "regionCount",
"Value": 3,
"Unit": "\"\"",
"Description": "Number of regions count"
},
"TableSize": {
"Name": "tableSize",
"Value": 678,
"Unit": "MB",
"Description": "Size of the table"
},
"StoreFileCount": {
"Name": "storeFileCount",
"Value": 36,
"Unit": "\"\"",
"Description": "Number of store files"
},
"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"
},
"RegionBalance": {
"Name": "regionBalance",
"Value": 1,
"Unit": "“”",
"Description": "The ability to evenly distribute Regions on different RegionServer nodes"
},
"RequestBalance": {
"Name": "requestBalance",
"Value": 0.9,
"Unit": "“”",
"Description": "The balance of distributing requests"
},
"HotDataSize": {
"Name": "hotDataSize",
"Value": 100,
"Unit": "MB",
"Description": "Size of the hot data size"
},
"WarmDataSize": {
"Name": "warmDataSize",
"Value": 100,
"Unit": "MB",
"Description": "Size of the warm data size"
},
"ColdDataSize": {
"Name": "coldDataSize",
"Value": 100,
"Unit": "MB",
"Description": "Size of the cold data size"
},
"FreezeDataSize": {
"Name": "freezeDataSize",
"Value": 100,
"Unit": "MB",
"Description": "Size of the freeze data size"
},
"WarmConfigDay": {
"Name": "warmConfigDay",
"Value": 1,
"Unit": "day",
"Description": "Warm config day"
},
"ColdConfigDay": {
"Name": "coldConfigDay",
"Value": 1,
"Unit": "dat",
"Description": "Cold config day"
},
"FreezeConfigDay": {
"Name": "freezeConfigDay",
"Value": 1,
"Unit": "day",
"Description": "Freeze config day"
},
"Locality": {
"Name": "locality",
"Value": 0,
"Unit": "\"\"",
"Description": "The locality of data"
},
"ColdAccessDay": {
"Name": "coldAccessDay",
"Value": 1,
"Unit": "day",
"Description": "Cold access day"
},
"RegionCountDayGrowthRatio": {
"Name": "regionCountDayGrowthRatio",
"Value": 1,
"Unit": "\"\"",
"Description": "Day growth ratio of region count"
},
"TableSizeDayGrowthRatio": {
"Name": "tableSizeDayGrowthRatio",
"Value": 1,
"Unit": "'\"",
"Description": "Day growth ratio of table size"
},
"StoreFileCountDayGrowthRatio": {
"Name": "storeFileCountDayGrowthRatio",
"Value": 0.7,
"Unit": "\"\"",
"Description": "Day growth ratio of store file count"
},
"DailyReadRequestDayGrowthRatio": {
"Name": "dailyReadRequestDayGrowthRatio",
"Value": 0.8,
"Unit": "\"\"",
"Description": "Day growth ratio of read requests"
},
"DailyWriteRequestDayGrowthRatio": {
"Name": "dailyWriteRequestDayGrowthRatio",
"Value": 0.8,
"Unit": "\"\"",
"Description": "The balance of distributing requests"
},
"ReadRequestBalance": {
"Name": "readRequestBalance",
"Value": 1,
"Unit": "\"\"",
"Description": "The balance of distributing read requests"
},
"WriteRequestBalance": {
"Name": "writeRequestBalance",
"Value": 1,
"Unit": "\"\"",
"Description": "The balance of distributing write requests"
}
},
"Analysis": {
"TableScore": 67,
"RequestUnbalanceSuggestion": "read request unbalance is <p class='report-detail-topic'>",
"RequestHotspotRegionList": [
"5f019e8cf7c16be9768634cb99ccbe05"
],
"ReadRequestUnbalanceSuggestion": "read request unbalance is <p class='report-detail-topic'>",
"ReadRequestHotspotRegionList": [
"5f019e8cf7c16be9768634cb99ccbe05"
],
"WriteRequestUnbalanceSuggestion": "write request unbalance is <p class='report-detail-topic'>",
"WriteRequestHotspotRegionList": [
"5f019e8cf7c16be9768634cb99ccbe05"
]
}
}
],
"RequestId": "DD6B1B2A-5837-5237-ABE4-FF0C8944****",
"NextToken": "DD6B1B2A-5837-5237-ABE4-FF0C89568980",
"MaxResults": 20,
"TotalCount": 200
}Error codes
| 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 |
| 404 | ResourceNotFound | The resource not found by %s. |
| 500 | InternalError | The request processing has failed due to some unknown error, exception or failure. |
| 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. |
For a list of error codes, visit the Service error codes.
Change history
| Change time | Summary of changes | Operation |
|---|
No change history