MaxNoOfConcurrentOperations=150000
MaxNoOfConcurrentTransactions=150000
MaxNoOfLocalOperations=150000

mysql> delete from radacct where acctinputoctets=0 and acctoutputoctets=0;
ERROR 1297 (HY000): Got temporary error 1217 'Out of operation records in local data manager (increase MaxNoOfLocalOperations)' from NDBCLUSTER.

mysql> explain delete from radacct where acctinputoctets=0 and acctoutputoctets=0;
+----+-------------+---------+------+---------------+------+---------+------+---------+-------------+
| id | select_type | table   | type | possible_keys | key  | key_len | ref  | rows    | Extra       |
+----+-------------+---------+------+---------------+------+---------+------+---------+-------------+
|  1 | SIMPLE      | radacct | ALL  | NULL          | NULL | NULL    | NULL | 1209607 | Using where |
+----+-------------+---------+------+---------------+------+---------+------+---------+-------------+