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MigratableResolver

MigratableResolver is an abstraction of resolvers that allow Spark to migrate shuffle blocks.

Contract

getMigrationBlocks

getMigrationBlocks(
  shuffleBlockInfo: ShuffleBlockInfo): List[(BlockId, ManagedBuffer)]

Used when:

  • ShuffleMigrationRunnable is requested to run

getStoredShuffles

getStoredShuffles(): Seq[ShuffleBlockInfo]

Used when:

putShuffleBlockAsStream

putShuffleBlockAsStream(
  blockId: BlockId,
  serializerManager: SerializerManager): StreamCallbackWithID

Used when:

Implementations


Last update: 2021-07-18
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