object SpillPriorities
Utility methods for managing spillable buffer priorities. The spill priority numerical space is divided into potentially overlapping ranges based on the type of buffer.
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val
ACTIVE_BATCHING_PRIORITY: Long
Priority for multiple buffers being buffered within a call to next.
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val
ACTIVE_ON_DECK_PRIORITY: Long
Priority for buffers that are waiting for next to be called.
Priority for buffers that are waiting for next to be called. i.e. data held between calls to
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val
INPUT_FROM_SHUFFLE_PRIORITY: Long
Priorities for buffers received from shuffle.
Priorities for buffers received from shuffle. Shuffle input buffers are about to be read by a task, so spill them if there's no other choice, but leave some space at the end of the priority range so there can be some things after it.
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OUTPUT_FOR_SHUFFLE_INITIAL_PRIORITY: Long
Priorities for task output buffers intended for shuffle.
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