BoF: Analyzing Parallel I/O

Parallel I/O performance can be a critical bottleneck for applications, yet users are often ill-equipped for identifying and diagnosing I/O performance issues. Increasingly complex hierarchies of storage hardware and software deployed on many systems only compound this problem. Tools that can effectively capture, analyze, and tune I/O behavior for these systems empower users to realize performance gains for many applications.

In this BoF, we form a community around best practices in analyzing parallel I/O and cover recent advances to help address the problem presented above, drawing on the expertise of users, I/O researchers, and administrators in attendance.

The primary objectives of this BoF are to: 1) highlight recent advances in tools and techniques for monitoring I/O activity in data centers, 2) to discuss experiences and limitations of current approaches, 3) to discuss and derive a roadmap for future I/O tools with the goal to capture, assess, predict and optimize I/O.

The BoF is held in conjunction with the Supercomputing conference. The official announcement is listed here.

Date Tuesday, 16 November 2021
Time 5:15pm-6:45pm CST
Venue Online, see the SC schedule for details

The BoF is powered by the Virtual Institute for I/O and ESiWACE 1).

The BoF is organized by

We have a series of (8 minute) talks followed by a longer discussion:

  • WelcomeJulian Kunkel, Shane Snyder
  • IntroductionShane Snyder
  • Darshan tracing visualizingJean Luca Bez
  • Experience with the NERSC all-flash systemGlenn Lockwood, Alberto Chiusole
  • Exploring more ways to use IO500 benchmark and IO500 listRadita Liem
  • Determining I/O-WeatherJulian Kunkel
  • I/O Monitoring with PIKASebastian Oeste
  • Panel and discussion – (moderated by Julian Kunkel)

ESiWACE has received funding from the European Union’s Horizon 2020 Research and Innovation Programme under Grant Agreement No 823988
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