@Override
  public void onConfigurationChange(Configuration conf) {
    callExecutor.resizeQueues(conf);
    if (priorityExecutor != null) {
      priorityExecutor.resizeQueues(conf);
    }
    if (replicationExecutor != null) {
      replicationExecutor.resizeQueues(conf);
    }
    if (metaTransitionExecutor != null) {
      metaTransitionExecutor.resizeQueues(conf);
    }
    if (bulkloadExecutor != null) {
      bulkloadExecutor.resizeQueues(conf);
    }

    String callQueueType =
      conf.get(RpcExecutor.CALL_QUEUE_TYPE_CONF_KEY, RpcExecutor.CALL_QUEUE_TYPE_CONF_DEFAULT);
    if (
      RpcExecutor.isCodelQueueType(callQueueType) || RpcExecutor.isPluggableQueueType(callQueueType)
    ) {
      callExecutor.onConfigurationChange(conf);
    }
  }
Resize call queues;
@param conf new configuration
hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/SimpleRpcScheduler.java