Show database connections

 mysql> show full processlist;
 +------+------+-----------------+-----------+---------+------+-------+-----------------------+
 | Id | User | Host | db | Command | Time | State | Info |
 +------+------+-----------------+-----------+---------+------+-------+-----------------------+
 | 2191 | root | localhost:43821 | mysql | Query | 0 | NULL | show full processlist |
 | 2776 | root | localhost | autocatch | Sleep | 195 | NULL | NULL |
 | 2801 | root | localhost | autocatch | Sleep | 158 | NULL | NULL |
 | 2864 | root | localhost | autocatch | Sleep | 125 | NULL | NULL |
 | 2896 | root | localhost | autocatch | Sleep | 92 | NULL | NULL |
 | 2914 | root | localhost | autocatch | Sleep | 59 | NULL | NULL |
 | 2940 | root | localhost | autocatch | Sleep | 26 | NULL | NULL |
 +------+------+-----------------+-----------+---------+------+-------+-----------------------+
 7 rows in set (0.00 sec)

The 'Time' column shows a number of database connections staying open for upwards of 3 minutes, the numbers here are measured in seconds. This leads me to believe that somewhere in your website's code, connections are not being closed immediately after execution of the necessary queries.

Error from park wrapper

If you get the error Error as follows while adding park domain from your cpanel

============================================
Error from park wrapper: domain-to-addon.com is owned by another user.

=============================================

Solution:

enable the option from whm >> tweak settings

Allow Creation of Parked/Addon Domains that are not registered

and

edit cpanel.config

vi /var/cpanel/cpanel.config

autocreateaentries=0

save the file and try to add an park domain domain-to-addon.com.

it will resolve your issue.