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MAPREDUCE-3542. Support "FileSystemCounter" legacy counter group name for compatibility. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1213971 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Thomas White 2011-12-13 22:59:49 +00:00
parent fac14e799a
commit 37b8cc3f19
3 changed files with 15 additions and 0 deletions
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3
hadoop-mapreduce-project/CHANGES.txt
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@ -276,6 +276,9 @@ Release 0.23.1 - Unreleased
MAPREDUCE-3537. Fix race condition in DefaultContainerExecutor which led
to container localization occuring in wrong directories. (acmurthy)
MAPREDUCE-3542. Support "FileSystemCounter" legacy counter group name for
compatibility. (tomwhite)
Release 0.23.0 - 2011-11-01
INCOMPATIBLE CHANGES

1
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/counters/AbstractCounters.java
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@ -76,6 +76,7 @@ public abstract class AbstractCounters<C extends Counter,
TaskCounter.class.getName());
legacyMap.put("org.apache.hadoop.mapred.JobInProgress$Counter",
JobCounter.class.getName());
legacyMap.put("FileSystemCounter", FileSystemCounter.class.getName());
}
private final Limits limits = new Limits();

11
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapred/TestCounters.java
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@ -22,6 +22,8 @@ import static org.junit.Assert.assertEquals;
import java.io.IOException;
import java.text.ParseException;
import org.apache.hadoop.mapred.Counters.Counter;
import org.apache.hadoop.mapreduce.FileSystemCounter;
import org.apache.hadoop.mapreduce.JobCounter;
import org.apache.hadoop.mapreduce.TaskCounter;
import org.junit.Test;
@ -102,6 +104,7 @@ public class TestCounters {
Counters counters = new Counters();
counters.incrCounter(TaskCounter.MAP_INPUT_RECORDS, 1);
counters.incrCounter(JobCounter.DATA_LOCAL_MAPS, 1);
counters.findCounter("file", FileSystemCounter.BYTES_READ).increment(1);
assertEquals("New name", 1, counters.findCounter(
TaskCounter.class.getName(), "MAP_INPUT_RECORDS").getValue());
@ -114,6 +117,14 @@ public class TestCounters {
assertEquals("Legacy name", 1, counters.findCounter(
"org.apache.hadoop.mapred.JobInProgress$Counter",
"DATA_LOCAL_MAPS").getValue());
assertEquals("New name", 1, counters.findCounter(
FileSystemCounter.class.getName(), "FILE_BYTES_READ").getValue());
assertEquals("New name and method", 1, counters.findCounter("file",
FileSystemCounter.BYTES_READ).getValue());
assertEquals("Legacy name", 1, counters.findCounter(
"FileSystemCounter",
"FILE_BYTES_READ").getValue());
}
public static void main(String[] args) throws IOException {