Class | Description |
---|---|
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 . |