HIOS: A host interface I/O scheduler for Solid State Disks

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dc.contributor.authorJung, Myoungsooko
dc.contributor.authorChoi, Wonilko
dc.contributor.authorSrikantaiah, Shekharko
dc.contributor.authorYoo, Joonhyukko
dc.contributor.authorKandemir, Mahmut T.ko
dc.date.accessioned2019-12-13T13:27:47Z-
dc.date.available2019-12-13T13:27:47Z-
dc.date.created2019-11-28-
dc.date.issued2014-06-14-
dc.identifier.citation2014 ACM/IEEE 41st International Symposium on Computer Architecture, ISCA 2014, pp.289 - 300-
dc.identifier.urihttp://hdl.handle.net/10203/269679-
dc.description.abstractGarbage collection (GC) and resource contention on I/O buses (channels) are among the critical bottlenecks in Solid State Disks (SSDs) that cannot be easily hidden. Most existing I/O scheduling algorithms in the host interface logic (HIL) of state-of-the-art SSDs are oblivious to such low-level performance bottlenecks in SSDs. As a result, SSDs may violate quality of service (QoS) requirements by not being able to meet the deadlines of I/O requests. In this paper, we propose a novel host interface I/O scheduler that is both GC-aware and QoS-aware. The proposed scheduler redistributes the GC overheads across non-critical I/O requests and reduces channel resource contention. Our experiments with workloads from various application domains reveal that the proposed scheduler reduces the standard deviation for latency over state-of-the-art I/O schedulers used in the HIL by 52.5%, and the worst-case latency by 86.6%. In addition, for I/O requests with sizes smaller than a superpage, our proposed scheduler avoids channel resource conflicts and reduces latency by 29.2% compared to the state-of-the-art. © 2014 IEEE.-
dc.languageEnglish-
dc.publisherACM SIGGRAPH and IEEE TCCA-
dc.titleHIOS: A host interface I/O scheduler for Solid State Disks-
dc.typeConference-
dc.type.rimsCONF-
dc.citation.beginningpage289-
dc.citation.endingpage300-
dc.citation.publicationname2014 ACM/IEEE 41st International Symposium on Computer Architecture, ISCA 2014-
dc.identifier.conferencecountryUS-
dc.identifier.conferencelocationMinneapolis, MN-
dc.identifier.doi10.1109/ISCA.2014.6853216-
dc.contributor.localauthorJung, Myoungsoo-
dc.contributor.nonIdAuthorChoi, Wonil-
dc.contributor.nonIdAuthorSrikantaiah, Shekhar-
dc.contributor.nonIdAuthorYoo, Joonhyuk-
dc.contributor.nonIdAuthorKandemir, Mahmut T.-
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EE-Conference Papers(학술회의논문)
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