How It Affects Your App
MySQL 1500 ER_SUBPARTITION_ERROR can have a significant impact on an application. It can cause the application to fail to execute queries, resulting in data not being stored or retrieved correctly. It can also cause the application to crash, leading to data loss and disruption of service. In addition, it can lead to increased latency and decreased performance, resulting in a poor user experience.
How To Fix
1. Check the error log for the MySQL 1500 instance to identify the root cause of the issue.
mysql> SHOW GLOBAL VARIABLES LIKE 'log_error';
+---------------+-----------------------------------------+
| Variable_name | Value |
+---------------+-----------------------------------------+
| log_error | /var/log/mysql/mysql_error.log |
+---------------+-----------------------------------------+
2. Check the error log for the MySQL 1500 instance to identify the root cause of the issue.
$ tail -f /var/log/mysql/mysql_error.log
2020-05-01T12:00:00 [ERROR] InnoDB: Unable to allocate memory of size 8388608.
2020-05-01T12:00:00 [ERROR] InnoDB: Cannot allocate memory for the buffer pool
3. Increase the memory allocated to the MySQL 1500 instance.
mysql> SET GLOBAL innodb_buffer_pool_size=16M;
Query OK, 0 rows affected (0.00 sec)
4. Restart the MySQL 1500 instance.
$ sudo service mysql restart
5. Use an automated database observability tool to monitor and fix the MySQL 1500 instance. Automated database observability tools can help identify and diagnose issues with MySQL 1500 instances quickly and accurately. They can also provide real-time monitoring and alerting of any issues that arise, allowing for quick resolution of any problems.
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