This paper has been accepted and presented at SPLASH - Onward! Please cite it as:

Jürgen Cito, Philipp Leitner, Harald C. Gall, Aryan Dadashi, Anne Keller, and Andreas Roth. 2015. Runtime metric meets developer: building better cloud applications using feedback. In 2015 ACM International Symposium on New Ideas, New Paradigms, and Reflections on Programming and Software (Onward!) (Onward! 2015). ACM, New York, NY, USA, 14-27. DOI=http://dx.doi.org/10.1145/2814228.2814232