max_prepared_stmt_countパラメータについて†サーバの Prepared ステートメントの合計数の最大値。この値で制限する。 mysql> show global variables like '%max_pr%'; +-------------------------+-------+ | Variable_name | Value | +-------------------------+-------+ | max_prepared_stmt_count | 16382 | +-------------------------+-------+ 1 row in set (0.00 sec) mysql> set global max_prepared_stmt_count = 30000; Query OK, 0 rows affected (0.00 sec) mysql> show global variables like '%max_pr%'; +-------------------------+-------+ | Variable_name | Value | +-------------------------+-------+ | max_prepared_stmt_count | 30000 | +-------------------------+-------+ 1 row in set (0.00 sec) |