org.apache.tez.runtime.api

Interface OutputStatistics

@InterfaceAudience.Public
@InterfaceStability.Evolving
public interface OutputStatistics

Provides various statistics about physical execution activity happening on a logical output in a Vertex. Outputs can be external outputs or outputs to other vertices.

Method Summary

Methods

Modifier and Type	Method and Description
long	getDataSize() Returns the data size associated with this logical output It is the size of the data written to this output by the vertex.
long	getItemsProcessed() Get the numbers of items processed.

Method Detail

getDataSize

long getDataSize()

Returns the data size associated with this logical output
It is the size of the data written to this output by the vertex.

Returns:

Data size in bytes

getItemsProcessed

long getItemsProcessed()

Get the numbers of items processed. These could be key-value pairs, table records etc.

Returns:

Number of items processed