hive JDBC SqlCompleter takes very long time to load column/schema meta info when hive has a lot of tables

When use %hive, it takes very long time(at least 3 mins) to connect to HS2. As check HS2 log, we see it loads a lot of hive schema/column meta which takes long time to complete as in SqlCompleter code as follows:

public static Set<String> getDataModelMetadataCompletions(Connection connection)
throws SQLException {
Set<String> completions = new TreeSet<>();
if (null != connection)

{ getColumnNames(connection.getMetaData(), completions); getSchemaNames(connection.getMetaData(), completions); }

return completions;
}

This class seems to be for web auto-completion. However, I don't see this feature in web instead BTW.