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org.apache.spark.sql.delta.hooks

AutoCompactPartitionReserve

object AutoCompactPartitionReserve

Thread-safe singleton to keep track of partitions reserved for auto-compaction.

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  8. def filterFreePartitions(tableId: String, targetPartitions: Set[PartitionKey]): Set[PartitionKey]

    returns

    Partitions from targetPartitions that are not reserved.

  9. def finalize(): Unit
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  16. def releasePartitions(tableId: String, reservedPartitions: Set[PartitionKey]): Unit

    Releases the reserved table partitions to allow other threads to reserve them.

    Releases the reserved table partitions to allow other threads to reserve them.

    tableId

    The identity of the target table of Auto Compaction.

    reservedPartitions

    The set of partitions, which were reserved and which need releasing.

  17. final def synchronized[T0](arg0: ⇒ T0): T0
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  18. def toString(): String
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  19. def tryReservePartitions(tableId: String, targetPartitions: Set[PartitionKey]): Set[PartitionKey]

    Try to reserve partitions from targetPartitions which are not yet reserved.

    Try to reserve partitions from targetPartitions which are not yet reserved.

    returns

    partitions from targetPartitions which were not previously reserved.

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