@Override
  public String toString() {
    return "HeartBeat{" +
            "responseId=" + responseId +
            ", timestamp=" + timestamp +
            ", hostname='" + hostname + '\'' +
            ", reports=" + reports +
            ", componentStatus=" + componentStatus +
            ", nodeStatus=" + nodeStatus +
            ", recoveryReport=" + recoveryReport +
            '}';
  }
Set the timestamp when the recovery values were last updated.

@param recoveryTimestamp
ambari-server/src/main/java/org/apache/ambari/server/agent/HeartBeat.java