remove unused skip.sample.store.topic.rack.awareness.check config

Author: CalvinPVIII

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

@@ -64,8 +64,6 @@
  *   store topic, default value is set to {@link #DEFAULT_MIN_PARTITION_SAMPLE_STORE_TOPIC_RETENTION_TIME_MS}.</li>
  *   <li>{@link #MIN_BROKER_SAMPLE_STORE_TOPIC_RETENTION_TIME_MS_CONFIG}: The config for the minimal retention time for Kafka broker sample store
  *   topic, default value is set to {@link #DEFAULT_MIN_BROKER_SAMPLE_STORE_TOPIC_RETENTION_TIME_MS}.</li>
- *   <li>{@link #SKIP_SAMPLE_STORE_TOPIC_RACK_AWARENESS_CHECK_CONFIG}: The config to skip checking sample store topics' replica distribution violate
- *   rack awareness property or not, default value is set to false.</li>
  * </ul>
  */
 public class KafkaSampleStore extends AbstractKafkaSampleStore {
@@ -102,7 +100,7 @@ public class KafkaSampleStore extends AbstractKafkaSampleStore {
   public static final String BROKER_SAMPLE_STORE_TOPIC_PARTITION_COUNT_CONFIG = "broker.sample.store.topic.partition.count";
   public static final String MIN_PARTITION_SAMPLE_STORE_TOPIC_RETENTION_TIME_MS_CONFIG = "min.partition.sample.store.topic.retention.time.ms";
   public static final String MIN_BROKER_SAMPLE_STORE_TOPIC_RETENTION_TIME_MS_CONFIG = "min.broker.sample.store.topic.retention.time.ms";
-  public static final String SKIP_SAMPLE_STORE_TOPIC_RACK_AWARENESS_CHECK_CONFIG = "skip.sample.store.topic.rack.awareness.check";
+
   @Override
   public void configure(Map<String, ?> config) {
     _partitionMetricSampleStoreTopic = KafkaCruiseControlUtils.getRequiredConfig(config, PARTITION_METRIC_SAMPLE_STORE_TOPIC_CONFIG);
@@ -134,8 +132,8 @@ public void configure(Map<String, ?> config) {
     String numProcessingThreadsString = (String) config.get(NUM_SAMPLE_LOADING_THREADS_CONFIG);
     int numProcessingThreads = numProcessingThreadsString == null || numProcessingThreadsString.isEmpty()
                                ? DEFAULT_NUM_SAMPLE_LOADING_THREADS : Integer.parseInt(numProcessingThreadsString);
-    String skipSampleStoreTopicRackAwarenessCheckString = (String) config.get(SKIP_SAMPLE_STORE_TOPIC_RACK_AWARENESS_CHECK_CONFIG);
-    _skipSampleStoreTopicRackAwarenessCheck = Boolean.parseBoolean(skipSampleStoreTopicRackAwarenessCheckString);
+
+
     _metricProcessorExecutor = Executors.newFixedThreadPool(numProcessingThreads);
     _consumers = new ArrayList<>(numProcessingThreads);
     for (int i = 0; i < numProcessingThreads; i++) {

docs/wiki/User Guide/Configurations.md

@@ -281,7 +281,7 @@ We are still trying to improve cruise control. And following are some configurat
 | broker.sample.store.topic.partition.count             | Integer | N         | 32            | The config for the number of partition for Kafka broker sample store topic                                                                                                                              |
 | min.partition.sample.store.topic.retention.time.ms    | Integer | N         | 3600000       | The config for the minimal retention time for Kafka partition sample store topic                                                                                                                        |
 | min.broker.sample.store.topic.retention.time.ms       | Integer | N         | 3600000       | The config for the minimal retention time for Kafka broker sample store topic                                                                                                                           |
-| skip.sample.store.topic.rack.awareness.check          | Boolean | N         | false         | The config to skip rack awareness sanity check for sample store topics                                                                                                                                  |
+                                                                                                                                  |
 
 ### KafkaPartitionMetricSampleOnExecutionStore configurations
 | Name                                                                | Type    | Required? | Default Value | Description                                                                                                     |