| Class | Description |
|---|---|
| HdfsUtils | |
| RawTextHelper | |
| RawTextSender |
A helper program that sends blocks of Kryo-serialized text strings out on a socket at a
specified rate.
|
| WriteAheadLog |
:: DeveloperApi ::
This abstract class represents a write ahead log (aka journal) that is used by Spark Streaming
to save the received data (by receivers) and associated metadata to a reliable storage, so that
they can be recovered after driver failures.
|
| WriteAheadLogRecordHandle |
:: DeveloperApi ::
This abstract class represents a handle that refers to a record written in a
WriteAheadLog. |
| WriteAheadLogUtils |
A helper class with utility functions related to the WriteAheadLog interface
|