fix typo in comment

Author: wonjong.yoo

cruise-control-core/src/main/java/com/linkedin/cruisecontrol/common/Generationed.java

@@ -27,7 +27,7 @@ public interface Generationed<G> {
    * have a different comparing method along with the generation comparison.
    *
    * @param other another generationed object to compare the generation with.
-   * @return -1 if the the generation of this object is earlier than the other's. 0 when the generations are the same.
+   * @return -1 if the generation of this object is earlier than the other's. 0 when the generations are the same.
    * 1 when the generation of this object is later than the other's.
    */
   int compareGeneration(Generationed<G> other);
@@ -36,7 +36,7 @@ public interface Generationed<G> {
    * Compare the generation of this object with the given generation.
    *
    * @param generation the given generation.
-   * @return -1 if the the generation of this object is earlier than the given generation.
+   * @return -1 if the generation of this object is earlier than the given generation.
    * 0 when the generations are the same.
    * 1 when the generation of this object is later than the given one.
    */

cruise-control-core/src/main/java/com/linkedin/cruisecontrol/monitor/sampling/aggregator/MetricSampleAggregatorState.java

@@ -124,7 +124,7 @@ synchronized void resetWindowIndices(long startingWindowIndex, int numWindowIndi
 
   /**
    * Get the list of window indices that need to be updated based on the current generation.
-   * This method also removes the windows that are older than the oldestWindowIndex from the the internal state
+   * This method also removes the windows that are older than the oldestWindowIndex from the internal state
    * of this class.
    *
    * @param oldestWindowIndex the index of the oldest window in the MetricSampleAggregator.

cruise-control-metrics-reporter/src/main/java/com/linkedin/kafka/cruisecontrol/metricsreporter/metric/ContainerMetricUtils.java

@@ -43,7 +43,7 @@ private static double getCpuQuota() throws IOException {
   }
 
   /**
-   * Gets the the number of logical cores available to the node.
+   * Gets the number of logical cores available to the node.
    * <p>
    * We can get this value while running in a container by using the "nproc" command.
    * Using other methods like OperatingSystemMXBean.getAvailableProcessors() and

cruise-control/src/main/java/com/linkedin/kafka/cruisecontrol/analyzer/goals/ReplicaCapacityGoal.java

@@ -264,7 +264,7 @@ protected void rebalanceForBroker(Broker broker,
    *
    * A alive destination broker is eligible for a given replica if
    * (1) the broker contains less than allowed maximum number of replicas, or
-   * (2) If the the self healing mode is true.
+   * (2) If the self healing mode is true.
    *
    * Returned brokers are sorted by number of replicas on them in ascending order.
    *

cruise-control/src/main/java/com/linkedin/kafka/cruisecontrol/executor/ExecutionTaskPlanner.java

@@ -507,7 +507,7 @@ private void removeInterBrokerReplicaActionForExecution(ExecutionTask task) {
   /**
    * The comparing order:
    * <ul>
-   *   <li>Priority of the the first task of each broker</li>
+   *   <li>Priority of the first task of each broker</li>
    *   <li>The task set size of each broker. Prioritize broker with the larger size</li>
    *   <li>Broker ID integer. Prioritize broker with the smaller ID</li>
    * </ul>

cruise-control/src/main/java/com/linkedin/kafka/cruisecontrol/monitor/MonitorUtils.java

@@ -67,7 +67,7 @@ private MonitorUtils() {
   /**
    * Derive follower load from the leader load.
    * <p>
-   * If linear regression model is used, the The way we derive the follower metrics is the following:
+   * If linear regression model is used, the way we derive the follower metrics is the following:
    * <ul>
    * <li>FOLLOWER_CPU = LEADER_NETWORK_IN * coefficient + residue </li>
    * <li>FOLLOWER_DISK = LEADER_DISK </li>