Can't create more than max_prepared_stmt_count statements

When my server runs for a period of time, this prompt appears.

"can't create more than max_prepared_stmt_count statements".

I checked the status of MySQL and got the following results:

mysql> SHOW GLOBAL STATUS LIKE 'com_stmt%';
+-------------------------+---------+
| Variable_name           | Value   |
+-------------------------+---------+
| Com_stmt_execute        | 6512872 |
| Com_stmt_close          | 0       |
| Com_stmt_fetch          | 0       |
| Com_stmt_prepare        | 18313   |
| Com_stmt_reset          | 0       |
| Com_stmt_send_long_data | 0       |
| Com_stmt_reprepare      | 0       |
+-------------------------+---------+
mysql> show variables like "%prepared%";
+------------------------------------------------------+-------+
| Variable_name                                        | Value |
+------------------------------------------------------+-------+
| max_prepared_stmt_count                              | 16382 |
| performance_schema_max_prepared_statements_instances | -1    |
+------------------------------------------------------+-------+

My friend suggested that I can modify mysql’s ‘max_prepared_stmt_count’ to a higher value.I checked the sequelize code and found that the connection pool was just ‘closed’ connection, does not close PreparedStatement.Is there any API can solve this or only can be modifying ‘max_prepared_stmt_count’.very thanks.

Environment

Dialect:

• mysql Sequelize version: 5.3.5 Database version: 8.0.15 Node Version: v10.3.0 OS: Centos 7.5 TypeScript version: 3.4.3

[alexandruluca]

Any updates on this? I had the exact same problem on a production server

[bsapot]

Yes, this seems to have fixed the issue the first person was having which is the problem we had. We deployed it to production earlier today and it is working well.