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ShuffleExecutorComponents

ShuffleExecutorComponents is an abstraction of executor shuffle builders.

Contract

createMapOutputWriter

ShuffleMapOutputWriter createMapOutputWriter(
  int shuffleId,
  long mapTaskId,
  int numPartitions) throws IOException

Creates a ShuffleMapOutputWriter

Used when:

createSingleFileMapOutputWriter

Optional<SingleSpillShuffleMapOutputWriter> createSingleFileMapOutputWriter(
  int shuffleId,
  long mapId) throws IOException

Creates a SingleSpillShuffleMapOutputWriter

Default: empty

Used when:

initializeExecutor

void initializeExecutor(
  String appId,
  String execId,
  Map<String, String> extraConfigs);

Used when:

Implementations


Last update: 2021-05-01
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