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Hadoop
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Represents a provider of replication for the IArchive to Hadoop using FTP channel.
Inheritance Hierarchy
SystemObject
SystemMarshalByRefObject
GSF.AdaptersAdapter
GSF.Historian.ReplicationReplicationProviderBase
Hadoop.ReplicationHadoopReplicationProvider
SystemMarshalByRefObject
GSF.AdaptersAdapter
GSF.Historian.ReplicationReplicationProviderBase
Hadoop.ReplicationHadoopReplicationProvider
Namespace: Hadoop.Replication
Assembly: Hadoop.Replication (in Hadoop.Replication.dll) Version: 2.4.230-beta
SyntaxThe HadoopReplicationProvider type exposes the following members.
Constructors| Name | Description | |
|---|---|---|
 | HadoopReplicationProvider | Initializes a new instance of the HadoopReplicationProvider class. |
Properties| Name | Description | |
|---|---|---|
 | ApplyBufferPadding | Gets or sets a boolean value that indicates whether the buffer used for computing file hash is to be padded with null bytes for replicating HDFS hashing bug. |
| ArchiveLocation |
Gets or sets the primary location of the IArchive.
(Inherited from ReplicationProviderBase) |
| BytesPerCrc32 | Gets or sets the number of bytes at which HDFS is configured to compute a CRC32. |
| DeleteOriginalFiles | Gets or sets a boolean value that indicates whether the original files are to be deleted after being replicated successfully. |
| Domain |
Gets the AppDomain in which the Adapter is executing.
(Inherited from Adapter) |
| Enabled |
Gets or sets a boolean value that indicates whether the Adapter is currently enabled.
(Inherited from Adapter) |
| HashRequestAttempts | Gets or sets the maximum number of requests to be made to the FTP server for HDFS file hash. |
| HashRequestWaitTime | Gets or set the time, in milliseconds, to wait between requests to the FTP server for HDFS file hash. |
| HdfsBlockSize | Gets or sets the size, in MB, of the data blocks for HDFS where the file resides. |
| HostFile |
Gets or sets the path to the file where the Adapter is housed.
(Inherited from Adapter) |
| IsDisposed |
Gets a flag that indicates whether the object has been disposed.
(Inherited from Adapter) |
| MemoryUsage |
Gets the memory utilization of the Adapter in bytes if executing in a separate AppDomain, otherwise NaN.
(Inherited from Adapter) |
| Name |
Gets the unique identifier of the Adapter.
(Inherited from Adapter) |
| PersistSettings |
Gets or sets a boolean value that indicates whether Adapter settings are to be saved to the config file.
(Inherited from Adapter) |
| ProcessorUsage |
Gets the % processor utilization of the Adapter if executing in a separate AppDomain otherwise NaN.
(Inherited from Adapter) |
| ReplicaLocation |
Gets or sets the mirrored location of the IArchive.
(Inherited from ReplicationProviderBase) |
| ReplicationInterval |
Gets or sets the interval in minutes at which the IArchive is to be replicated.
(Inherited from ReplicationProviderBase) |
| SettingsCategory |
Gets or sets the category under which Adapter settings are to be saved to the config file if the PersistSettings property is set to true.
(Inherited from Adapter) |
| Status |
Gets the descriptive status of the Adapter.
(Inherited from Adapter) |
| TypeName |
Gets or sets the text representation of the Adapter's TypeName.
(Inherited from Adapter) |
Methods| Name | Description | |
|---|---|---|
 | ComputeHdfsFileHash | Computes a MD5 hash of the file content using the algorithm used by HDFS. |
| CreateObjRef | Creates an object that contains all the relevant information required to generate a proxy used to communicate with a remote object. (Inherited from MarshalByRefObject) |
| Dispose |
Releases all the resources used by the Adapter.
(Inherited from Adapter) |
 | Dispose(Boolean) |
Releases the unmanaged resources used by the replication provider and optionally releases the managed resources.
(Inherited from ReplicationProviderBase) |
| Equals | Determines whether the specified object is equal to the current object. (Inherited from Object) |
| Finalize |
Releases the unmanaged resources before the Adapter is reclaimed by GC.
(Inherited from Adapter) |
| GetHashCode | Serves as the default hash function. (Inherited from Object) |
| GetLifetimeService | Retrieves the current lifetime service object that controls the lifetime policy for this instance. (Inherited from MarshalByRefObject) |
| GetType | Gets the Type of the current instance. (Inherited from Object) |
| Initialize |
Initializes the replication provider.
(Inherited from ReplicationProviderBase) |
| InitializeLifetimeService | Obtains a lifetime service object to control the lifetime policy for this instance. (Inherited from MarshalByRefObject) |
| LoadSettings |
Loads saved HadoopReplicationProvider settings from the config file if the PersistSettings property is set to true.
(Overrides ReplicationProviderBaseLoadSettings) |
| MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object) |
| MemberwiseClone(Boolean) | Creates a shallow copy of the current MarshalByRefObject object. (Inherited from MarshalByRefObject) |
| OnDisposed |
Raises the Disposed event.
(Inherited from Adapter) |
| OnExecutionException |
Raises the ExecutionException event.
(Inherited from Adapter) |
| OnReplicationComplete |
Raises the ReplicationComplete event.
(Inherited from ReplicationProviderBase) |
| OnReplicationException |
Raises the ReplicationException event.
(Inherited from ReplicationProviderBase) |
| OnReplicationProgress |
Raises the ReplicationProgress event.
(Inherited from ReplicationProviderBase) |
| OnReplicationStart |
Raises the ReplicationStart event.
(Inherited from ReplicationProviderBase) |
| OnStatusUpdate |
Raises the StatusUpdate event.
(Inherited from Adapter) |
| Replicate |
Replicates the IArchive.
(Inherited from ReplicationProviderBase) |
| ReplicateArchive |
Replicates the IArchive.
(Overrides ReplicationProviderBaseReplicateArchive) |
| SaveSettings |
Saves HadoopReplicationProvider settings to the config file if the PersistSettings property is set to true.
(Overrides ReplicationProviderBaseSaveSettings) |
| ToString | Returns a string that represents the current object. (Inherited from Object) |
Events| Name | Description | |
|---|---|---|
 | Disposed |
Occurs when Adapter is disposed.
(Inherited from Adapter) |
| ExecutionException |
Occurs when the IAdapter encounters an Exception during execution.
(Inherited from Adapter) |
| ReplicationComplete |
Occurs when the process of replicating the IArchive is complete.
(Inherited from ReplicationProviderBase) |
| ReplicationException |
Occurs when an Exception is encountered during the replication process of IArchive.
(Inherited from ReplicationProviderBase) |
| ReplicationProgress |
Occurs when the IArchive is being replicated.
(Inherited from ReplicationProviderBase) |
| ReplicationStart |
Occurs when the process of replicating the IArchive is started.
(Inherited from ReplicationProviderBase) |
| StatusUpdate |
Occurs when the Adapter wants to provide a status update.
(Inherited from Adapter) |
Fields| Name | Description | |
|---|---|---|
 | DefaultApplyBufferPadding | Specifies the default value for the ApplyBufferPadding property. |
| DefaultBytesPerCrc32 | Specifies the default value for the BytesPerCrc32 property. |
| DefaultDeleteOriginalFiles | Specifies the default value for the DeleteOriginalFiles property. |
| DefaultHashRequestAttempts | Specifies the default value for the HashRequestAttempts property. |
| DefaultHashRequestWaitTime | Specifies the default value for the HashRequestWaitTime property. |
| DefaultHdfsBlockSize | Specifies the default value for the HdfsBlockSize property. |
See Also