t

org.apache.spark.network.shuffle

MergedBlocksMetaListener

trait MergedBlocksMetaListener extends EventListener

Listener for receiving success or failure events when fetching meta of merged blocks.

Since

3.2.0

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  2. EventListener
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Abstract Value Members

  1. abstract def onFailure(shuffleId: Int, shuffleMergeId: Int, reduceId: Int, exception: Throwable): Unit

    Called when there is an exception while fetching the meta of a merged block.

    Called when there is an exception while fetching the meta of a merged block.

    shuffleId

    shuffle id.

    shuffleMergeId

    shuffleMergeId is used to uniquely identify merging process of shuffle by an indeterminate stage attempt.

    reduceId

    reduce id.

    exception

    exception getting chunk counts.

  2. abstract def onSuccess(shuffleId: Int, shuffleMergeId: Int, reduceId: Int, meta: MergedBlockMeta): Unit

    Called after successfully receiving the meta of a merged block.

    Called after successfully receiving the meta of a merged block.

    shuffleId

    shuffle id.

    shuffleMergeId

    shuffleMergeId is used to uniquely identify merging process of shuffle by an indeterminate stage attempt.

    reduceId

    reduce id.

    meta

    contains meta information of a merged block.

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Inherited from EventListener

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