@Override
  public void setAlertLevel(int level) {
    alertLevel = level;
    AlertLevelChangeMessage m = AlertLevelChangeMessage.create(level);
    sendAsync(m);
  }
Sets the alert level for this manager agent. Sends a {@link AlertLevelChangeMessage} to each
member of the distributed system.
geode-core/src/main/java/org/apache/geode/internal/admin/remote/RemoteGfManagerAgent.java