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MAPREDUCE-5083. MiniMRCluster should use a random component when creating an actual cluster. Contributed by Siddharth Seth. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1459935 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Hitesh Shah 2013-03-22 19:14:07 +00:00
parent 6af4449beb
commit c983b07753
3 changed files with 17 additions and 5 deletions
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3
hadoop-mapreduce-project/CHANGES.txt
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@ -64,6 +64,9 @@ Release 2.0.5-beta - UNRELEASED
MAPREDUCE-3872. Fix an event handling races in ContainerLauncherImpl.
(Robert Kanter via sseth)
MAPREDUCE-5083. MiniMRCluster should use a random component when creating an
actual cluster (Siddharth Seth via hitesh)
Release 2.0.4-alpha - UNRELEASED
INCOMPATIBLE CHANGES

14
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/MiniMRClientClusterFactory.java
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@ -38,6 +38,12 @@ public class MiniMRClientClusterFactory {
public static MiniMRClientCluster create(Class<?> caller, int noOfNMs,
Configuration conf) throws IOException {
return create(caller, caller.getName(), noOfNMs, conf);
}
public static MiniMRClientCluster create(Class<?> caller, String identifier,
int noOfNMs,
Configuration conf) throws IOException {
if (conf == null) {
conf = new Configuration();
@ -45,7 +51,7 @@ public class MiniMRClientClusterFactory {
FileSystem fs = FileSystem.get(conf);
Path testRootDir = new Path("target", caller.getName() + "-tmpDir")
Path testRootDir = new Path("target", identifier + "-tmpDir")
.makeQualified(fs);
Path appJar = new Path(testRootDir, "MRAppJar.jar");
@ -65,10 +71,10 @@ public class MiniMRClientClusterFactory {
fs.setPermission(remoteCallerJar, new FsPermission("744"));
job.addFileToClassPath(remoteCallerJar);
MiniMRYarnCluster miniMRYarnCluster = new MiniMRYarnCluster(caller
.getName(), noOfNMs);
MiniMRYarnCluster miniMRYarnCluster =
new MiniMRYarnCluster(identifier, noOfNMs);
job.getConfiguration().set("minimrclientcluster.caller.name",
caller.getName());
identifier);
job.getConfiguration().setInt("minimrclientcluster.nodemanagers.number",
noOfNMs);
miniMRYarnCluster.init(job.getConfiguration());

5
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/MiniMRCluster.java
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@ -18,6 +18,7 @@
package org.apache.hadoop.mapred;
import java.io.IOException;
import java.util.Random;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@ -177,8 +178,10 @@ public class MiniMRCluster {
int numTrackerToExclude, Clock clock) throws IOException {
if (conf == null) conf = new JobConf();
FileSystem.setDefaultUri(conf, namenode);
String identifier = this.getClass().getName() + "_"
+ Integer.toString(new Random().nextInt(Integer.MAX_VALUE));
mrClientCluster = MiniMRClientClusterFactory.create(this.getClass(),
numTaskTrackers, conf);
identifier, numTaskTrackers, conf);
}
public UserGroupInformation getUgi() {