HDFS-3060. svn merge -c 1298044 from trunk

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1298045 13f79535-47bb-0310-9956-ffa450edef68

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -105,6 +105,8 @@ Release 0.23.3 - UNRELEASED
     HDFS-1580. Add interface for generic Write Ahead Logging mechanisms.
     (Ivan Kelly via jitendra)
 
+    HDFS-3060. Bump TestDistributedUpgrade#testDistributedUpgrade timeout (eli)
+
   OPTIMIZATIONS
     HDFS-2477. Optimize computing the diff between a block report and the
                namenode state. (Tomasz Nykiel via hairong)

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/common/TestDistributedUpgrade.java

@@ -96,7 +96,7 @@ public class TestDistributedUpgrade {
  
   /**
    */
-  @Test(timeout=120000)
+  @Test(timeout=300000) // 5 min timeout
   public void testDistributedUpgrade() throws Exception {
     int numDirs = 1;
     TestDFSUpgradeFromImage testImg = new TestDFSUpgradeFromImage();