Extreme Scale-out SuperMUC Phase 2 - lessons learned. - Nicolay Hammer; Ferdinand Jamitzky; Helmut Satzger; Momme Allalen; Alexander Block; Anupam Karmakar; Matthias Brehm; Reinhold Bader; Luigi Iapichino; Antonio Ragagnin; Vasilios Karakasis; Dieter Kranzlmüller; et al. (PARCO, 2015)