期刊
ACM TRANSACTIONS ON STORAGE
卷 14, 期 3, 页码 -出版社
ASSOC COMPUTING MACHINERY
DOI: 10.1145/3242086
关键词
Hardware fault; performance; fail-slow; fail-stutter; limpware; jitter
资金
- NSF [CCF-1336580, CNS-1350499, CNS-1526304, CNS-1563956]
- DOE Office of Science User Facility [DE-AC02-06CH11357]
Fail-slow hardware is an under-studied failure mode. We present a study of 114 reports of fail-slow hardware incidents, collected from large-scale cluster deployments in 14 institutions. We show that all hardware types such as disk, SSD, CPU, memory, and network components can exhibit performance faults. We made several important observations such as faults convert from one form to another, the cascading root causes and impacts can be long, and fail-slow faults can have varying symptoms. From this study, we make suggestions to vendors, operators, and systems designers.
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