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AccumulableInfo

AccumulableInfo represents an update to an AccumulatorV2.

AccumulableInfo is used to transfer accumulator updates from executors to the driver every executor heartbeat or when a task finishes.

Creating Instance

AccumulableInfo takes the following to be created:

  • Accumulator ID
  • Name
  • Partial Update
  • Partial Value
  • internal flag
  • countFailedValues flag
  • Metadata (default: None)

AccumulableInfo is created when:

internal Flag

internal: Boolean

AccumulableInfo is given an internal flag when created.

internal flag denotes whether this accumulator is internal.

internal is used when:

  • LiveEntityHelpers is requested for newAccumulatorInfos
  • JsonProtocol is requested to accumulableInfoToJson

Last update: 2021-06-10
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