BEGIN:VCALENDAR PRODID:-//Microsoft Corporation//Outlook MIMEDIR//EN VERSION:1.0 BEGIN:VEVENT DTSTART:20141120T181500Z DTEND:20141120T191500Z LOCATION:286-87 DESCRIPTION;ENCODING=QUOTED-PRINTABLE:ABSTRACT: Parallel application I/O performance often does not meet user expectations.=0AMoreover, slight access pattern modifications may lead to significant changes in performance due to complex interactions between hardware and software.=0AThese challenges call for sophisticated tools to enable scientists and facilities operators to capture, analyze, understand, and tune application I/O.=0A=0AIn this BoF we will introduce tools that can help to address this problem for different use cases. We focus in particular on the features of Darshan, SIOX, and Vampir. We also seek to gather feedback from the community regarding I/O challenges and discuss the requirements for monitoring future systems. SUMMARY:Analyzing Parallel I/O PRIORITY:3 END:VEVENT END:VCALENDAR