Hi Tiina,

Could you request your Totara partner submits a support ticket? They should know what we need - which is basically full environment details and replication steps. Also the number of users would be useful, and any other relevant details such as the number of audiences etc.

Your partner may want to try this:

To enable slow query logging, add 'logslow' => true to the 'dboptions' array in config.php.

This will cause slow queries to be logged in the 'log_queries' table in the database. This table can also be export and sent to Totara Support.

regards,

George.