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
|