org.apache.hadoop.hive.ql.exec.tez

Class ColumnarSplitSizeEstimator

java.lang.Object

org.apache.hadoop.hive.ql.exec.tez.ColumnarSplitSizeEstimator

All Implemented Interfaces:

org.apache.hadoop.mapred.split.SplitSizeEstimator

public class ColumnarSplitSizeEstimator
extends Object
implements org.apache.hadoop.mapred.split.SplitSizeEstimator

Split size estimator for columnar file formats.

Constructor Summary

Constructors

Constructor and Description
ColumnarSplitSizeEstimator()

Method Summary

Modifier and Type	Method and Description
long	getEstimatedSize(org.apache.hadoop.mapred.InputSplit inputSplit)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ColumnarSplitSizeEstimator

public ColumnarSplitSizeEstimator()

Method Detail

getEstimatedSize

public long getEstimatedSize(org.apache.hadoop.mapred.InputSplit inputSplit)
                      throws IOException

Specified by:

getEstimatedSize in interface org.apache.hadoop.mapred.split.SplitSizeEstimator

Throws:

IOException