public static void main(String[] args) throws Exception {
ConnectionManager mysqlCM = ConnectionManagerProvider.createConnectionManager("adbcj:mysqlnetty://localhost/adbcjtck", "adbcjtck", "adbcjtck");
ConnectionManager pgCM = ConnectionManagerProvider.createConnectionManager("adbcj:postgresql-netty://localhost/adbcjtck", "adbcjtck", "adbcjtck");
Connection mysql = mysqlCM.connect().getUninterruptably();
Connection pg = pgCM.connect().getUninterruptably();
final String insertTemplate = "INSERT INTO large (a, b, c) VALUES ('%s', '%s', '%s')";
for (int i = 0; i < 998; i++) {
String a = randString();
String b = randString();