Uses of Class
org.apache.giraph.block_app.framework.piece.global_comm.internal.ReducersForPieceHandler.ReduceHandleImpl

Packages that use ReducersForPieceHandler.ReduceHandleImpl

Package	Description
org.apache.giraph.block_app.framework.piece.global_comm.internal	Reducer and Broadcast Handles internal implementation for automatic handling of global communication within Pieces, hiding a lot of it's complexities.

Uses of ReducersForPieceHandler.ReduceHandleImpl in org.apache.giraph.block_app.framework.piece.global_comm.internal

Subclasses of ReducersForPieceHandler.ReduceHandleImpl in org.apache.giraph.block_app.framework.piece.global_comm.internal

Modifier and Type	Class and Description
class	ReducersForPieceHandler.GlobalReduceHandle<S,R extends org.apache.hadoop.io.Writable> Global Reduce Handle is implementation of ReducerHandle, that will keep only one value for each worker, and each call to reduce will have to obtain a global lock, and incur synchronization costs.
class	ReducersForPieceHandler.LocalReduceHandle<S,R extends org.apache.hadoop.io.Writable> Local Reduce Handle is implementation of ReducerHandle, that will make a partially reduced value on each worker thread, which are at the end reduced all together.