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DTSTART;TZID=America/Chicago:20251121T093500
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UID:submissions.supercomputing.org_SC25_sess233_ws_ius101@linklings.com
SUMMARY:Physical System Study on Balancing Interactive and Batch Job Perfo
 rmance through Oversubscribing Scheduling
DESCRIPTION:Shohei Minami (Prometech Software, Inc.); Toshio Endo and Akih
 iro Nomura (Institute of Science Tokyo); and Hiroki Ohtsuji, Jun Kato, Mas
 ahiro Miwa, and Eiji Yoshida (Fujitsu Limited)\n\nThis paper evaluates ove
 rsubscribing in High-Performance Computing (HPC) systems as a solution to 
 balance interactive and batch job performance. Using real workload traces 
 and physical hardware experiments, we demonstrate that oversubscribing can
  reduce queue waiting times while maintaining overall system performance. 
 Our results show this approach (1) decreases waiting times for interactive
  jobs, (2) has minimal impact on overall system throughput, and (3) effect
 ively manages individual job turnaround times. Unlike traditional multiple
  queue approaches, oversubscribing provides these benefits with simpler co
 nfiguration requirements. Additionally, through quantitative memory usage 
 analysis, we provide insights into oversubscribing applicability for produ
 ction capacity planning. Our research contributes empirical evidence of it
 s effectiveness in real HPC environments, supported by comprehensive exper
 imental data and practical implementation insights.\n\nRecording: Livestre
 amed, Recorded\n\nRegistration Category: Technical Program Reg Pass, Works
 hop Reg Pass\n\nSession Chairs: Albert Reuther (Massachusetts Institute of
  Technology (MIT)); Robert Henschel (Indiana University); and Bill Arndt (
 Lawrence Berkeley National Laboratory (LBNL), National Energy Research Sci
 entific Computing Center (NERSC))\n\n
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