YARN-5564. Fix typo in RM_SCHEDULER_RESERVATION_THRESHOLD_INCREMENT_MULTIPLE. Contributed by Ray Chiang

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairSchedulerConfiguration.java

@@ -52,7 +52,7 @@ public class FairSchedulerConfiguration extends Configuration {
    * multiple of increment allocation. Only container sizes above this are
    * allowed to reserve a node */
   public static final String
-      RM_SCHEDULER_RESERVATION_THRESHOLD_INCERMENT_MULTIPLE =
+      RM_SCHEDULER_RESERVATION_THRESHOLD_INCREMENT_MULTIPLE =
       YarnConfiguration.YARN_PREFIX +
           "scheduler.reservation-threshold.increment-multiple";
   public static final float
@@ -190,7 +190,7 @@ public class FairSchedulerConfiguration extends Configuration {
 
   public float getReservationThresholdIncrementMultiple() {
     return getFloat(
-      RM_SCHEDULER_RESERVATION_THRESHOLD_INCERMENT_MULTIPLE,
+      RM_SCHEDULER_RESERVATION_THRESHOLD_INCREMENT_MULTIPLE,
       DEFAULT_RM_SCHEDULER_RESERVATION_THRESHOLD_INCREMENT_MULTIPLE);
   }
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairSchedulerTestBase.java

@@ -84,7 +84,7 @@ public class FairSchedulerTestBase {
 
     conf.setFloat(
         FairSchedulerConfiguration
-           .RM_SCHEDULER_RESERVATION_THRESHOLD_INCERMENT_MULTIPLE,
+           .RM_SCHEDULER_RESERVATION_THRESHOLD_INCREMENT_MULTIPLE,
         TEST_RESERVATION_THRESHOLD);
     return conf;
   }
@@ -280,4 +280,4 @@ public class FairSchedulerTestBase {
     Assert.assertEquals(resource.getVirtualCores(),
         app.getCurrentConsumption().getVirtualCores());
   }
-}
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairScheduler.java

@@ -1455,7 +1455,7 @@ public class TestFairScheduler extends FairSchedulerTestBase {
     // Set threshold to 2 * 1024 ==> 2048 MB & 2 * 1 ==> 2 vcores (test will
     // use vcores)
     conf.setFloat(FairSchedulerConfiguration.
-            RM_SCHEDULER_RESERVATION_THRESHOLD_INCERMENT_MULTIPLE,
+            RM_SCHEDULER_RESERVATION_THRESHOLD_INCREMENT_MULTIPLE,
         2f);
     scheduler.init(conf);
     scheduler.start();

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairSchedulerPreemption.java

@@ -135,7 +135,7 @@ public class TestFairSchedulerPreemption extends FairSchedulerTestBase {
     conf.setFloat(FairSchedulerConfiguration.PREEMPTION_THRESHOLD, 0f);
     conf.setFloat(
             FairSchedulerConfiguration
-                    .RM_SCHEDULER_RESERVATION_THRESHOLD_INCERMENT_MULTIPLE,
+                    .RM_SCHEDULER_RESERVATION_THRESHOLD_INCREMENT_MULTIPLE,
             TEST_RESERVATION_THRESHOLD);
 
     resourceManager = new MockRM(conf);