Best practices for dashboard performance

If you know you have to deal with dashboard performance, but don't even know where to start, then this session is for you. We will provide the tried-and-tested method of how to deal with performance issues. What must you do before you talk to the DBA? What are things you can deal with on your own? What are the most common mistakes that lead to performance issues in vizzes? We will take an extremely slow dashboard and peel through the layers as we make it more efficient together.