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MAPREDUCE-4053. Counters group names deprecation is wrong, iterating over group names deprecated names don't show up (Robert Evans via tgraves) 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1372636 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Thomas Graves 2012-08-13 21:48:33 +00:00
parent c93185df66
commit dfad16fed2
3 changed files with 31 additions and 1 deletions
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3
hadoop-mapreduce-project/CHANGES.txt
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@ -809,6 +809,9 @@ Release 0.23.3 - UNRELEASED
MAPREDUCE-3782. teragen terasort jobs fail when using webhdfs:// (Jason
Lowe via bobby)
MAPREDUCE-4053. Counters group names deprecation is wrong, iterating over
group names deprecated names don't show up (Robert Evans via tgraves)
Release 0.23.2 - UNRELEASED
INCOMPATIBLE CHANGES

11
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/counters/AbstractCounters.java
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@ -24,6 +24,7 @@
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.concurrent.ConcurrentSkipListMap;
@ -185,7 +186,15 @@ public synchronized C findCounter(String scheme, FileSystemCounter key) {
* @return Set of counter names.
*/
public synchronized Iterable<String> getGroupNames() {
return Iterables.concat(fgroups.keySet(), groups.keySet());
HashSet<String> deprecated = new HashSet<String>();
for(Map.Entry<String, String> entry : legacyMap.entrySet()) {
String newGroup = entry.getValue();
boolean isFGroup = isFrameworkGroup(newGroup);
if(isFGroup ? fgroups.containsKey(newGroup) : groups.containsKey(newGroup)) {
deprecated.add(entry.getKey());
}
}
return Iterables.concat(fgroups.keySet(), groups.keySet(), deprecated);
}
@Override

18
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 +22,7 @@
import java.io.IOException;
import java.text.ParseException;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Random;
@ -224,6 +225,23 @@ public void testFileSystemGroupIteratorConcurrency() {
iterator.next();
}
@Test
public void testLegacyGetGroupNames() {
Counters counters = new Counters();
// create 2 filesystem counter groups
counters.findCounter("fs1", FileSystemCounter.BYTES_READ).increment(1);
counters.findCounter("fs2", FileSystemCounter.BYTES_READ).increment(1);
counters.incrCounter("group1", "counter1", 1);
HashSet<String> groups = new HashSet<String>(counters.getGroupNames());
HashSet<String> expectedGroups = new HashSet<String>();
expectedGroups.add("group1");
expectedGroups.add("FileSystemCounter"); //Legacy Name
expectedGroups.add("org.apache.hadoop.mapreduce.FileSystemCounter");
assertEquals(expectedGroups, groups);
}
@Test
public void testMakeCompactString() {
final String GC1 = "group1.counter1:1";