Title Page and List of Organizers

USENIX Association

Proceedings of the 18th USENIX Conference on File and Storage Technologies

This volume is published as a collective work. Rights to individual papers remain with the author or the author’s employer. Permission is granted for the noncommercial reproduction of the complete work for educational or research purposes. Permission is granted to print, primarily for one person’s exclusive use, a single copy of these Proceedings. USENIX acknowledges all trademarks herein.

ISBN 978-1-939133-12-0

Cover Image created by freevector.com and distributed under the Creative Commons Attribution-ShareAlike 4.0 license (https://creativecommons.org/licenses/by-sa/4.0/). Conference Organizers

Program Co-Chairs Vasily Tarasov, IBM Research Sam H. Noh, UNIST (Ulsan National Institute of Science Devesh Tiwari, Northeastern University and Technology) Carl Waldspurger, Carl Waldspurger Consulting Brent Welch, Google Brent Welch, Google Ric Wheeler, Facebook Program Committee Avani Wildani, Emory University Nitin Agrawal, ThoughtSpot Youjip Won, Korea Advanced Institute of Science and George Amvrosiadis, Carnegie Mellon University Technology (KAIST) John Bent, Seagate Gala Yadgar, Technion—Israel Institute of Technology Pramod Bhatotia, The University of Edinburgh Jishen Zhao, University of California, San Diego Suparna Bhattacharya, Hewlett Packard Enterprise William J. Bolosky, Microsoft Research Poster Session Chair André Brinkmann, Johannes Gutenberg-University Mainz Dean Hildebrand, Google Randal Burns, Johns Hopkins University Work-in-Progress Reports (WiPs) Chair Ali Butt, l Tech Avani Wildani, Emory University Young-ri Choi, UNIST (Ulsan National Institute of Science and Technology) Test of Time Awards Committee Angela Demke Brown, University of Toronto Jiri Schindler, Tranquil Data Gary Grider, Los Alamos National Laboratory Bianca Schroeder, University of Toronto Haryadi Gunawi, University of Chicago Dean Hildebrand, Google Tutorial Coordinators Yu Hua, Huazhong University of Science and Technology Andy Klosterman, NetApp H. Howie Huang, The George Washington University John Strunk, Red Hat Jian Huang, University of Illinois at Urbana–Champaign Steering Committee Jooyoung Hwang, Samsung Electronics Nitin Agrawal, ThoughtSpot Bill Jannen, Williams College Angela Demke Brown, University of Toronto Kimberly Keeton, HP Labs Greg Ganger, Carnegie Mellon University Geoff Kuenning, Harvey Mudd College Casey Henderson, USENIX Association Patrick P. C. Lee, The Chinese University of Hong Kong Kimberly Keeton, HP Labs Sungjin Lee, DGIST (Daegu Gyeongbuk Institute of Science Geoff Kuenning, Harvey Mudd College and Technology) Arif Merchant, Google Darrell Long, University of California, Santa Cruz Florentina Popovici, Google Xiaosong Ma, Qatar Computing Research Institute Raju Rangaswami, Florida International University Umesh Maheshwari, Hewlett Packard Enterprise Erik Riedel Ethan L. Miller, University of California, Santa Cruz, and Pure Storage Jiri Schindler, Tranquil Data Changwoo Min, Virginia Tech Bianca Schroeder, University of Toronto Kiran-Kumar Muniswamy-Reddy, Amazon Keith A. Smith, MongoDB Dalit Naor, IBM Research Eno Thereska, Amazon Sam H. Noh, UNIST (Ulsan National Institute of Science Carl Waldspurger, Carl Waldspurger Consulting and Technology) Hakim Weatherspoon, Cornell University Don Porter, The University of North Carolina at Chapel Hill Ric Wheeler, Facebook Rob Ross, Argonne National Laboratory Erez Zadok, Stony Brook University Keith A. Smith, MongoDB

External Reviewers

Kang Chen Ke Yang Pradeep Kumar Tao Zhang Guanyu Feng Guangyan Zhang Ankush Jain Jaehun Han Cheng Li Xiaowei Zhu Michael Kuchnik Simon Bertron