private void upgradeConfigurationTableValueMaxSize() throws SQLException {
    DBAccessor.DBColumnInfo propertyColumn = dbAccessor.getColumnInfo(AMBARI_CONFIGURATION_TABLE,
      AMBARI_CONFIGURATION_PROPERTY_VALUE_COLUMN);

    if (propertyColumn != null && propertyColumn.getType() != null &&
      propertyColumn.getLength() < AMBARI_CONFIGURATION_PROPERTY_VALUE_COLUMN_LEN) {

      LOG.info("Updating column max size to {} for {}.{}", AMBARI_CONFIGURATION_PROPERTY_VALUE_COLUMN_LEN,
        AMBARI_CONFIGURATION_TABLE, AMBARI_CONFIGURATION_PROPERTY_VALUE_COLUMN);

      propertyColumn.setLength(AMBARI_CONFIGURATION_PROPERTY_VALUE_COLUMN_LEN);
      dbAccessor.alterColumn(AMBARI_CONFIGURATION_TABLE, propertyColumn);
    }
  }
Performs normal data upgrade

@throws AmbariException
@throws SQLException
ambari-server/src/main/java/org/apache/ambari/server/upgrade/UpgradeCatalog274.java