YARN-4374. RM capacity scheduler UI rounds user limit factor. Contributed by Chang Li

(cherry picked from commit 060cdcbe5db56383e74e282ac61eedff8248c11b)

Conflicts:

	hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/CapacitySchedulerPage.java

hadoop-yarn-project/CHANGES.txt

@@ -19,6 +19,9 @@ Release 2.7.3 - UNRELEASED
 
     YARN-4347. Resource manager fails with Null pointer exception. (Jian He via wangda)
 
+    YARN-4374. RM capacity scheduler UI rounds user limit factor (Chang Li via
+    jlowe)
+
 Release 2.7.2 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/CapacitySchedulerPage.java

@@ -90,7 +90,7 @@ class CapacitySchedulerPage extends RmView {
           _("Configured Capacity:", percent(lqinfo.getCapacity() / 100)).
           _("Configured Max Capacity:", percent(lqinfo.getMaxCapacity() / 100)).
           _("Configured Minimum User Limit Percent:", Integer.toString(lqinfo.getUserLimit()) + "%").
-          _("Configured User Limit Factor:", String.format("%.1f", lqinfo.getUserLimitFactor())).
+          _("Configured User Limit Factor:", lqinfo.getUserLimitFactor()).
           _("Accessible Node Labels:", StringUtils.join(",", lqinfo.getNodeLabels())).
           _("Preemption:", lqinfo.getPreemptionDisabled() ? "disabled" : "enabled");