my $dsn = "DBI:mysql:host=%s;database=%s;mysql_auto_reconnect=1;mysql_enable_utf8=1";
my $attr = {
	    RaiseError => 1,
            AutoCommit => 1,
            mysql_enable_utf8    => 1,
            mysql_auto_reconnect => 1
	   }

DBI->connect_cached( $dsn, $user, $pass, $attr)