SerializedShuffleHandle¶
SerializedShuffleHandle is a BaseShuffleHandle that SortShuffleManager uses when canUseSerializedShuffle (when requested to register a shuffle and BypassMergeSortShuffleHandles could not be selected).
SerializedShuffleHandle tells SortShuffleManager to use UnsafeShuffleWriter when requested for a ShuffleWriter.
Creating Instance¶
SerializedShuffleHandle takes the following to be created:
- Shuffle ID
- ShuffleDependency
SerializedShuffleHandle is created when:
SortShuffleManageris requested for a ShuffleHandle (for the ShuffleDependency)