broadcast

Spark's broadcast variables, used to broadcast immutable datasets to all nodes.

Linear Supertypes

AnyRef, Any

abstract class Broadcast[T] extends Serializable with Logging

A broadcast variable.
trait BroadcastFactory extends AnyRef

:: DeveloperApi :: An interface for all the broadcast implementations in Spark (to allow multiple broadcast implementations).
class HttpBroadcastFactory extends BroadcastFactory

A org.apache.spark.broadcast.BroadcastFactory implementation that uses a HTTP server as the broadcast mechanism.
class TorrentBroadcastFactory extends BroadcastFactory

A org.apache.spark.broadcast.Broadcast implementation that uses a BitTorrent-like protocol to do a distributed transfer of the broadcasted data to the executors.