By default, Metrics Executer Scheduled Task runs at 03:00 AM every day.
In JIRA System > Scheduler details page you can see Snapmetrics Executer Scheduled Task's execution details.
If you want to change this behaviour,
- go to SnapMetrics Plugin > Settings page
- change cron expression in Metrics Scheduler Cron section
- click Change button.
Please make sure that your cron expression is valid. You can test and/or generate cron expression on http://www.cronmaker.com