Class/Object

com.mongodb.spark.rdd.partitioner

MongoSamplePartitioner

Related Docs: object MongoSamplePartitioner | package partitioner

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class MongoSamplePartitioner extends Logging with MongoPartitioner

The Sample Partitioner.

Uses the average document size and random sampling of the collection to determine suitable partitions for the collection.

Configuration Properties

The prefix when using sparkConf is: spark.mongodb.input.partitionerOptions followed by the property name:

*Note:* Requires MongoDB 3.2+ *Note:* Does not support views. Use MongoPaginateByCountPartitioner or create a custom partitioner.

Since

1.0

Linear Supertypes
MongoPartitioner, Serializable, Serializable, Logging, LoggingTrait, AnyRef, Any
Known Subclasses
MongoSamplePartitioner
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Inherited
  1. MongoSamplePartitioner
  2. MongoPartitioner
  3. Serializable
  4. Serializable
  5. Logging
  6. LoggingTrait
  7. AnyRef
  8. Any
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Visibility
  1. Public
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Instance Constructors

  1. new MongoSamplePartitioner()

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Value Members

  1. final def !=(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any

  2. final def ##(): Int

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    Definition Classes
    AnyRef → Any

  3. final def ==(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any

  4. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any

  5. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  6. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef

  7. def equals(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any

  8. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )

  9. final def getClass(): Class[_]

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    Definition Classes
    AnyRef → Any

  10. def hashCode(): Int

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    Definition Classes
    AnyRef → Any

  11. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any

  12. def log: Logger

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    Attributes
    protected
    Definition Classes
    LoggingTrait

  13. def logDebug(msg: ⇒ String, throwable: Throwable): Unit

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    Attributes
    protected
    Definition Classes
    LoggingTrait

  14. def logDebug(msg: ⇒ String): Unit

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    Attributes
    protected
    Definition Classes
    LoggingTrait

  15. def logError(msg: ⇒ String, throwable: Throwable): Unit

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    Attributes
    protected
    Definition Classes
    LoggingTrait

  16. def logError(msg: ⇒ String): Unit

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    Attributes
    protected
    Definition Classes
    LoggingTrait

  17. def logInfo(msg: ⇒ String, throwable: Throwable): Unit

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    Attributes
    protected
    Definition Classes
    LoggingTrait

  18. def logInfo(msg: ⇒ String): Unit

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    Attributes
    protected
    Definition Classes
    LoggingTrait

  19. def logName: String

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    Attributes
    protected
    Definition Classes
    LoggingTrait

  20. def logTrace(msg: ⇒ String, throwable: Throwable): Unit

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    Attributes
    protected
    Definition Classes
    LoggingTrait

  21. def logTrace(msg: ⇒ String): Unit

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    Attributes
    protected
    Definition Classes
    LoggingTrait

  22. def logWarning(msg: ⇒ String, throwable: Throwable): Unit

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    Attributes
    protected
    Definition Classes
    LoggingTrait

  23. def logWarning(msg: ⇒ String): Unit

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    Attributes
    protected
    Definition Classes
    LoggingTrait

  24. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef

  25. final def notify(): Unit

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    Definition Classes
    AnyRef

  26. final def notifyAll(): Unit

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    Definition Classes
    AnyRef

  27. val partitionKeyProperty: String

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    The partition key property

  28. val partitionSizeMBProperty: String

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    The partition size MB property

  29. def partitions(connector: MongoConnector, readConfig: ReadConfig, pipeline: Array[BsonDocument]): Array[MongoPartition]

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    Calculate the Partitions

    Calculate the Partitions

    connector

    the MongoConnector

    readConfig

    the com.mongodb.spark.config.ReadConfig

    returns

    the partitions

    Definition Classes
    MongoSamplePartitioner → MongoPartitioner

  30. val samplesPerPartitionProperty: String

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    The number of samples for each partition

  31. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
    AnyRef

  32. def toString(): String

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    Definition Classes
    AnyRef → Any

  33. final def wait(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  34. final def wait(arg0: Long, arg1: Int): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  35. final def wait(arg0: Long): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from MongoPartitioner

Inherited from Serializable

Inherited from Serializable

Inherited from Logging

Inherited from LoggingTrait

Inherited from AnyRef

Inherited from Any

Ungrouped