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From hit...@apache.org
Subject svn commit: r1459932 - in /hadoop/common/trunk/hadoop-mapreduce-project: ./ hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/
Date Fri, 22 Mar 2013 19:11:01 GMT
Author: hitesh
Date: Fri Mar 22 19:11:01 2013
New Revision: 1459932

URL: http://svn.apache.org/r1459932
Log:
MAPREDUCE-5083. MiniMRCluster should use a random component when creating an actual cluster.
Contributed by Siddharth Seth.

Modified:
    hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
    hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/MiniMRClientClusterFactory.java
    hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/MiniMRCluster.java

Modified: hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt?rev=1459932&r1=1459931&r2=1459932&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt Fri Mar 22 19:11:01 2013
@@ -250,6 +250,9 @@ 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

Modified: hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/MiniMRClientClusterFactory.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/MiniMRClientClusterFactory.java?rev=1459932&r1=1459931&r2=1459932&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/MiniMRClientClusterFactory.java
(original)
+++ hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/MiniMRClientClusterFactory.java
Fri Mar 22 19:11:01 2013
@@ -38,6 +38,11 @@ public class MiniMRClientClusterFactory 
 
   public static MiniMRClientCluster create(Class<?> caller, int noOfNMs,
       Configuration conf) throws IOException {
+    return create(caller, caller.getSimpleName(), noOfNMs, conf);
+  }
+
+  public static MiniMRClientCluster create(Class<?> caller, String identifier,
+      int noOfNMs, Configuration conf) throws IOException {
 
     if (conf == null) {
       conf = new Configuration();
@@ -45,7 +50,7 @@ public class MiniMRClientClusterFactory 
 
     FileSystem fs = FileSystem.get(conf);
 
-    Path testRootDir = new Path("target", caller.getSimpleName() + "-tmpDir")
+    Path testRootDir = new Path("target", identifier + "-tmpDir")
         .makeQualified(fs);
     Path appJar = new Path(testRootDir, "MRAppJar.jar");
 
@@ -65,10 +70,10 @@ public class MiniMRClientClusterFactory 
     fs.setPermission(remoteCallerJar, new FsPermission("744"));
     job.addFileToClassPath(remoteCallerJar);
 
-    MiniMRYarnCluster miniMRYarnCluster = new MiniMRYarnCluster(caller
-        .getSimpleName(), noOfNMs);
+    MiniMRYarnCluster miniMRYarnCluster = new MiniMRYarnCluster(identifier,
+        noOfNMs);
     job.getConfiguration().set("minimrclientcluster.caller.name",
-        caller.getSimpleName());
+        identifier);
     job.getConfiguration().setInt("minimrclientcluster.nodemanagers.number",
         noOfNMs);
     miniMRYarnCluster.init(job.getConfiguration());

Modified: hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/MiniMRCluster.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/MiniMRCluster.java?rev=1459932&r1=1459931&r2=1459932&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/MiniMRCluster.java
(original)
+++ hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/MiniMRCluster.java
Fri Mar 22 19:11:01 2013
@@ -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().getSimpleName() + "_"
+        + Integer.toString(new Random().nextInt(Integer.MAX_VALUE));
     mrClientCluster = MiniMRClientClusterFactory.create(this.getClass(),
-        numTaskTrackers, conf);
+        identifier, numTaskTrackers, conf);
   }
 
   public UserGroupInformation getUgi() {



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