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courses:mapreduce-tutorial:step-31 [2012/02/06 13:10]
straka
courses:mapreduce-tutorial:step-31 [2012/02/06 13:11]
straka
Line 37: Line 37:
 This example reads the keys of ''/net/projects/hadoop/examples/inputs/numbers-small'', computes the sum of all the keys and print it: This example reads the keys of ''/net/projects/hadoop/examples/inputs/numbers-small'', computes the sum of all the keys and print it:
 <code java Sum.java> <code java Sum.java>
 +import java.io.IOException;
 +
 +import org.apache.hadoop.conf.*;
 +import org.apache.hadoop.fs.Path;
 +import org.apache.hadoop.io.*;
 import org.apache.hadoop.mapreduce.*; import org.apache.hadoop.mapreduce.*;
 import org.apache.hadoop.mapreduce.lib.allreduce.*; import org.apache.hadoop.mapreduce.lib.allreduce.*;

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