alluxio.checker

Class MapReduceIntegrationChecker.CheckerReducer

java.lang.Object

org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>

alluxio.checker.MapReduceIntegrationChecker.CheckerReducer

Enclosing class:

MapReduceIntegrationChecker

protected static class MapReduceIntegrationChecker.CheckerReducer
extends org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>

In each reducer node, we will combine the IP addresses that have the same Status.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Reducer

org.apache.hadoop.mapreduce.Reducer.Context

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	CheckerReducer()

Method Summary

Modifier and Type	Method and Description
protected void	reduce(org.apache.hadoop.io.Text key, java.lang.Iterable<org.apache.hadoop.io.Text> values, org.apache.hadoop.mapreduce.Reducer.Context context) Merges the IP addresses of same Status.

Methods inherited from class org.apache.hadoop.mapreduce.Reducer

cleanup, run, setup

Methods inherited from class java.lang.Object

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

Constructor Detail

CheckerReducer

protected CheckerReducer()

Method Detail

reduce

protected void reduce(org.apache.hadoop.io.Text key,
                      java.lang.Iterable<org.apache.hadoop.io.Text> values,
                      org.apache.hadoop.mapreduce.Reducer.Context context)
               throws java.io.IOException,
                      java.lang.InterruptedException

Merges the IP addresses of same Status.

Overrides:

reduce in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>

Throws:

java.io.IOException

java.lang.InterruptedException