private String getHostSystemName() {
    try {
      return LocalHostUtil.getCanonicalLocalHostName();
    } catch (UnknownHostException ignored) {
    }
    return "unknownHostName";
  }
@return this machine's fully qualified hostname or "unknownHostName" if one cannot be found.
geode-core/src/main/java/org/apache/geode/internal/statistics/OsStatisticsProvider.java