How to reset Jiraffe addon manually
All this instruction you can do with Jira running.
Execute jiraffe-reset-mysql.sql in your mysql or the file jiraffe-reset-postgres.sql in your postgress.
Remove the directory /var/atlassian/application-data/jira/data/jiraffe/
Extract the jiraffe-data.zip in the directory /var/atlassian/application-data/jira/data
Go to the Jiraffe administration
In the administration projects
5. Enable only one project
You have to see only one project with 0 points
7. Go inside of this project and go to the historial