public boolean getHostRoleCommandStatusSummaryCacheEnabled() {
    String stringValue = getProperty(SERVER_HRC_STATUS_SUMMARY_CACHE_ENABLED);
    boolean value = SERVER_HRC_STATUS_SUMMARY_CACHE_ENABLED.getDefaultValue();
    if (stringValue != null) {
      try {
        value = Boolean.valueOf(stringValue);
      }
      catch (NumberFormatException ignored) {
      }

    }

    return value;
  }
Caching of host role command status summary can be enabled/disabled
through the {@link #SERVER_HRC_STATUS_SUMMARY_CACHE_ENABLED} config property.
This method returns the value of {@link #SERVER_HRC_STATUS_SUMMARY_CACHE_ENABLED}
config property.
@return true if caching is to be enabled otherwise false.
ambari-server/src/main/java/org/apache/ambari/server/configuration/Configuration.java