TestRMApplicationHistoryWriter sometimes fails in trunk. Contributed by Zhijie Shen

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1606835 13f79535-47bb-0310-9956-ffa450edef68

hadoop-yarn-project/CHANGES.txt

@@ -15,6 +15,9 @@ Trunk - Unreleased
     YARN-524 TestYarnVersionInfo failing if generated properties doesn't
     include an SVN URL. (stevel)
 
+    YARN-2216 TestRMApplicationHistoryWriter sometimes fails in trunk.
+    (Zhijie Shen via xgong)
+
 Release 2.5.0 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/ahs/TestRMApplicationHistoryWriter.java

@@ -420,7 +420,7 @@ public class TestRMApplicationHistoryWriter {
     int waitCount = 0;
     int allocatedSize = allocated.size();
     while (allocatedSize < request && waitCount++ < 200) {
-      Thread.sleep(100);
+      Thread.sleep(300);
       allocated =
           am.allocate(new ArrayList<ResourceRequest>(),
             new ArrayList<ContainerId>()).getAllocatedContainers();