private void logThreadPoolCreation(String name, int size) {
    LOG.info(String.format("Creating '%s' thread pool with configured size %d", name, size));
  }
Determines the need of waiting for all tasks to be processed:
true - next task would be processed
false - next task would be cancelled
@param <T>
ambari-server/src/main/java/org/apache/ambari/server/utils/ThreadPools.java