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DTSTAMP:20211207T054814Z
LOCATION:240-241-242
DTSTART;TZID=America/Chicago:20211118T160000
DTEND;TZID=America/Chicago:20211118T163000
UID:submissions.supercomputing.org_SC21_sess166_pap136@linklings.com
SUMMARY:Pinpointing Crash-Consistency Bugs in the HPC I/O Stack: A Cross-L
 ayer Approach
DESCRIPTION:Paper\n\nPinpointing Crash-Consistency Bugs in the HPC I/O Sta
 ck: A Cross-Layer Approach\n\nSun, Huang, Snir\n\nWe present ParaCrash, a 
 testing framework for studying crash recovery in a typical HPC I/O stack, 
 and demonstrate its use by identifying 15 new crash-consistency bugs in va
 rious parallel file systems (PFS) and I/O libraries. ParaCrash uses a "gol
 den version'' approach to test the entire HPC I/O stack: storage state aft
 er recovery from a crash is correct if it matches the state that can be ac
 hieved by a partial execution with no crashes. It supports systematic test
 ing of a multilayered I/O stack while properly identifying the layer respo
 nsible for the bugs.\n\nTag: Reproducibility Badge, Applications, Big Data
 , Datacenter, File Systems and I/O, Machine Learning and Artificial Intell
 igence, State of the Practice, Storage\n\nRegistration Category: Tech Prog
 ram Reg Pass\n\nReproducibility Badges: Artifact Available, Artifact Funct
 ional
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