AzureFileSystemInstrumentation (Apache Hadoop Main 3.0.0-alpha2-SNAPSHOT API)

java.lang.Object
- org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation

すべての実装されたインタフェース:

MetricsSource
```
@Metrics(about="Metrics for WASB",
         context="azureFileSystem")
 @InterfaceAudience.Public
 @InterfaceStability.Evolving
public final class AzureFileSystemInstrumentation
extends Object
implements MetricsSource
```
A metrics source for the WASB file system to track all the metrics we care about for getting a clear picture of the performance/reliability/interaction of the Hadoop cluster with Azure Storage.

フィールドのサマリー

フィールド
修飾子とタイプ	フィールドと説明
`static String`	`METRIC_TAG_ACCOUNT_NAME`
`static String`	`METRIC_TAG_CONTAINTER_NAME`
`static String`	`METRIC_TAG_FILESYSTEM_ID`
`static String`	`WASB_BYTES_READ`
`static String`	`WASB_BYTES_WRITTEN`
`static String`	`WASB_CLIENT_ERRORS`
`static String`	`WASB_DIRECTORIES_CREATED`
`static String`	`WASB_DIRECTORIES_DELETED`
`static String`	`WASB_DOWNLOAD_LATENCY`
`static String`	`WASB_DOWNLOAD_RATE`
`static String`	`WASB_FILES_CREATED`
`static String`	`WASB_FILES_DELETED`
`static String`	`WASB_RAW_BYTES_DOWNLOADED`
`static String`	`WASB_RAW_BYTES_UPLOADED`
`static String`	`WASB_SERVER_ERRORS`
`static String`	`WASB_UPLOAD_LATENCY`
`static String`	`WASB_UPLOAD_RATE`
`static String`	`WASB_WEB_RESPONSES`

コンストラクタのサマリー

コンストラクタ
コンストラクタと説明

AzureFileSystemInstrumentation(Configuration conf)

コンストラクタ
コンストラクタと説明
`AzureFileSystemInstrumentation(Configuration conf)`

メソッドのサマリー

すべてのメソッドインスタンス・メソッド concreteメソッド
修飾子とタイプ	メソッドと説明
`void`	`blockDownloaded(long latency)` Indicate that we just downloaded a block and record its latency.
`void`	`blockUploaded(long latency)` Indicate that we just uploaded a block and record its latency.
`void`	`clientErrorEncountered()` Indicate that we just encountered a client-side error.
`void`	`currentDownloadBytesPerSecond(long bytesPerSecond)` Record the current bytes-per-second download rate seen.
`void`	`currentUploadBytesPerSecond(long bytesPerSecond)` Record the current bytes-per-second upload rate seen.
`void`	`directoryCreated()` Indicate that we just created a directory through WASB.
`void`	`directoryDeleted()` Indicate that we just deleted a directory through WASB.
`void`	`fileCreated()` Indicate that we just created a file through WASB.
`void`	`fileDeleted()` Indicate that we just deleted a file through WASB.
`long`	`getBlockDownloadLatency()` Get the current rolling average of the download latency.
`long`	`getBlockUploadLatency()` Get the current rolling average of the upload latency.
`long`	`getCurrentMaximumDownloadBandwidth()` Get the current maximum download bandwidth.
`long`	`getCurrentMaximumUploadBandwidth()` Get the current maximum upload bandwidth.
`long`	`getCurrentWebResponses()` Gets the current number of web responses obtained from Azure Storage.
`UUID`	`getFileSystemInstanceId()` The unique identifier for this file system in the metrics.
`void`	`getMetrics(MetricsCollector builder, boolean all)` Get metrics from the metrics source
`MetricsInfo`	`getMetricsRegistryInfo()` Get the metrics registry information.
`void`	`rawBytesDownloaded(long numberOfBytes)` Indicate that we just downloaded some data to Azure storage.
`void`	`rawBytesUploaded(long numberOfBytes)` Indicate that we just uploaded some data to Azure storage.
`void`	`serverErrorEncountered()` Indicate that we just encountered a server-caused error.
`void`	`setAccountName(String accountName)` Sets the account name to tag all the metrics with.
`void`	`setContainerName(String containerName)` Sets the container name to tag all the metrics with.
`void`	`updateBytesReadInLastSecond(long currentBytesRead)` Sets the current gauge value for how many bytes were read in the last second.
`void`	`updateBytesWrittenInLastSecond(long currentBytesWritten)` Sets the current gauge value for how many bytes were written in the last second.
`void`	`webResponse()` Indicate that we just got a web response from Azure Storage.

クラスから継承されたメソッド java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- フィールドの詳細
  - METRIC_TAG_FILESYSTEM_ID
```
public static final String METRIC_TAG_FILESYSTEM_ID
```
    関連項目:
    
    定数フィールド値
  - METRIC_TAG_ACCOUNT_NAME
```
public static final String METRIC_TAG_ACCOUNT_NAME
```
    関連項目:
    
    定数フィールド値
  - METRIC_TAG_CONTAINTER_NAME
```
public static final String METRIC_TAG_CONTAINTER_NAME
```
    関連項目:
    
    定数フィールド値
  - WASB_WEB_RESPONSES
```
public static final String WASB_WEB_RESPONSES
```
    関連項目:
    
    定数フィールド値
  - WASB_BYTES_WRITTEN
```
public static final String WASB_BYTES_WRITTEN
```
    関連項目:
    
    定数フィールド値
  - WASB_BYTES_READ
```
public static final String WASB_BYTES_READ
```
    関連項目:
    
    定数フィールド値
  - WASB_RAW_BYTES_UPLOADED
```
public static final String WASB_RAW_BYTES_UPLOADED
```
    関連項目:
    
    定数フィールド値
  - WASB_RAW_BYTES_DOWNLOADED
```
public static final String WASB_RAW_BYTES_DOWNLOADED
```
    関連項目:
    
    定数フィールド値
  - WASB_FILES_CREATED
```
public static final String WASB_FILES_CREATED
```
    関連項目:
    
    定数フィールド値
  - WASB_FILES_DELETED
```
public static final String WASB_FILES_DELETED
```
    関連項目:
    
    定数フィールド値
  - WASB_DIRECTORIES_CREATED
```
public static final String WASB_DIRECTORIES_CREATED
```
    関連項目:
    
    定数フィールド値
  - WASB_DIRECTORIES_DELETED
```
public static final String WASB_DIRECTORIES_DELETED
```
    関連項目:
    
    定数フィールド値
  - WASB_UPLOAD_RATE
```
public static final String WASB_UPLOAD_RATE
```
    関連項目:
    
    定数フィールド値
  - WASB_DOWNLOAD_RATE
```
public static final String WASB_DOWNLOAD_RATE
```
    関連項目:
    
    定数フィールド値
  - WASB_UPLOAD_LATENCY
```
public static final String WASB_UPLOAD_LATENCY
```
    関連項目:
    
    定数フィールド値
  - WASB_DOWNLOAD_LATENCY
```
public static final String WASB_DOWNLOAD_LATENCY
```
    関連項目:
    
    定数フィールド値
  - WASB_CLIENT_ERRORS
```
public static final String WASB_CLIENT_ERRORS
```
    関連項目:
    
    定数フィールド値
  - WASB_SERVER_ERRORS
```
public static final String WASB_SERVER_ERRORS
```
    関連項目:
    
    定数フィールド値
- コンストラクタの詳細
  - AzureFileSystemInstrumentation
```
public AzureFileSystemInstrumentation(Configuration conf)
```
- メソッドの詳細
  - getFileSystemInstanceId
```
public UUID getFileSystemInstanceId()
```
    The unique identifier for this file system in the metrics.
  - getMetricsRegistryInfo
```
public MetricsInfo getMetricsRegistryInfo()
```
    Get the metrics registry information.
  - setAccountName
```
public void setAccountName(String accountName)
```
    Sets the account name to tag all the metrics with.
    
    パラメータ:
    
    accountName - The account name.
  - setContainerName
```
public void setContainerName(String containerName)
```
    Sets the container name to tag all the metrics with.
    
    パラメータ:
    
    containerName - The container name.
  - webResponse
```
public void webResponse()
```
    Indicate that we just got a web response from Azure Storage. This should be called for every web request/response we do (to get accurate metrics of how we're hitting the storage service).
  - getCurrentWebResponses
```
public long getCurrentWebResponses()
```
    Gets the current number of web responses obtained from Azure Storage.
    
    戻り値:
    
    The number of web responses.
  - fileCreated
```
public void fileCreated()
```
    Indicate that we just created a file through WASB.
  - fileDeleted
```
public void fileDeleted()
```
    Indicate that we just deleted a file through WASB.
  - directoryCreated
```
public void directoryCreated()
```
    Indicate that we just created a directory through WASB.
  - directoryDeleted
```
public void directoryDeleted()
```
    Indicate that we just deleted a directory through WASB.
  - updateBytesWrittenInLastSecond
```
public void updateBytesWrittenInLastSecond(long currentBytesWritten)
```
    Sets the current gauge value for how many bytes were written in the last second.
    
    パラメータ:
    
    currentBytesWritten - The number of bytes.
  - updateBytesReadInLastSecond
```
public void updateBytesReadInLastSecond(long currentBytesRead)
```
    Sets the current gauge value for how many bytes were read in the last second.
    
    パラメータ:
    
    currentBytesRead - The number of bytes.
  - currentUploadBytesPerSecond
```
public void currentUploadBytesPerSecond(long bytesPerSecond)
```
    Record the current bytes-per-second upload rate seen.
    
    パラメータ:
    
    bytesPerSecond - The bytes per second.
  - currentDownloadBytesPerSecond
```
public void currentDownloadBytesPerSecond(long bytesPerSecond)
```
    Record the current bytes-per-second download rate seen.
    
    パラメータ:
    
    bytesPerSecond - The bytes per second.
  - rawBytesUploaded
```
public void rawBytesUploaded(long numberOfBytes)
```
    Indicate that we just uploaded some data to Azure storage.
    
    パラメータ:
    
    numberOfBytes - The raw number of bytes uploaded (including overhead).
  - rawBytesDownloaded
```
public void rawBytesDownloaded(long numberOfBytes)
```
    Indicate that we just downloaded some data to Azure storage.
    
    パラメータ:
    
    numberOfBytes - The raw number of bytes downloaded (including overhead).
  - blockUploaded
```
public void blockUploaded(long latency)
```
    Indicate that we just uploaded a block and record its latency.
    
    パラメータ:
    
    latency - The latency in milliseconds.
  - blockDownloaded
```
public void blockDownloaded(long latency)
```
    Indicate that we just downloaded a block and record its latency.
    
    パラメータ:
    
    latency - The latency in milliseconds.
  - clientErrorEncountered
```
public void clientErrorEncountered()
```
    Indicate that we just encountered a client-side error.
  - serverErrorEncountered
```
public void serverErrorEncountered()
```
    Indicate that we just encountered a server-caused error.
  - getBlockUploadLatency
```
public long getBlockUploadLatency()
```
    Get the current rolling average of the upload latency.
    
    戻り値:
    
    rolling average of upload latency in milliseconds.
  - getBlockDownloadLatency
```
public long getBlockDownloadLatency()
```
    Get the current rolling average of the download latency.
    
    戻り値:
    
    rolling average of download latency in milliseconds.
  - getCurrentMaximumUploadBandwidth
```
public long getCurrentMaximumUploadBandwidth()
```
    Get the current maximum upload bandwidth.
    
    戻り値:
    
    maximum upload bandwidth in bytes per second.
  - getCurrentMaximumDownloadBandwidth
```
public long getCurrentMaximumDownloadBandwidth()
```
    Get the current maximum download bandwidth.
    
    戻り値:
    
    maximum download bandwidth in bytes per second.
  - getMetrics
```
public void getMetrics(MetricsCollector builder,
                       boolean all)
```
    インタフェースからコピーされた説明: MetricsSource
    
    Get metrics from the metrics source
    
    定義:
    
    getMetrics インタフェース内 MetricsSource
    
    パラメータ:
    
    builder - to contain the resulting metrics snapshot
    
    all - if true, return all metrics even if unchanged.

クラス AzureFileSystemInstrumentation

フィールドのサマリー

コンストラクタのサマリー

メソッドのサマリー

クラスから継承されたメソッド java.lang.Object

フィールドの詳細

METRIC_TAG_FILESYSTEM_ID

METRIC_TAG_ACCOUNT_NAME

METRIC_TAG_CONTAINTER_NAME

WASB_WEB_RESPONSES

WASB_BYTES_WRITTEN

WASB_BYTES_READ

WASB_RAW_BYTES_UPLOADED

WASB_RAW_BYTES_DOWNLOADED

WASB_FILES_CREATED

WASB_FILES_DELETED

WASB_DIRECTORIES_CREATED

WASB_DIRECTORIES_DELETED

WASB_UPLOAD_RATE

WASB_DOWNLOAD_RATE

WASB_UPLOAD_LATENCY

WASB_DOWNLOAD_LATENCY

WASB_CLIENT_ERRORS

WASB_SERVER_ERRORS

コンストラクタの詳細

AzureFileSystemInstrumentation

メソッドの詳細

getFileSystemInstanceId

getMetricsRegistryInfo

setAccountName

setContainerName

webResponse

getCurrentWebResponses

fileCreated

fileDeleted

directoryCreated

directoryDeleted

updateBytesWrittenInLastSecond

updateBytesReadInLastSecond

currentUploadBytesPerSecond

currentDownloadBytesPerSecond

rawBytesUploaded

rawBytesDownloaded

blockUploaded

blockDownloaded

clientErrorEncountered

serverErrorEncountered

getBlockUploadLatency

getBlockDownloadLatency

getCurrentMaximumUploadBandwidth

getCurrentMaximumDownloadBandwidth

getMetrics