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An empirical evaluation of enterprise and sata-based transactional solid-state drives

Cited 4 time in Web of Science Cited 4 time in Scopus
Authors

Son, Yongseok; Kang, Hara; Ha, Jin-Yong; Lee, Jongseong; Han, Hyuck; Jung, Hyungsoo; Yeom, Heon Young

Issue Date
2016-12-12
Publisher
IEEE
Citation
2016 IEEE 24th International Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS), pp. 231-240
Keywords
공학digital storageSATA-based transactional solid-state drivesSamsung enterprise-class SSDTxSSD-aware file systemscrash consistencyempirical evaluationenterprise storagetransactional SSDtransactional functionalityComputer crashesComputer scienceCowsMetadataPerformance evaluationStandardsSupercapacitors
Abstract
Abstract:
In most file systems, performance is usually sacrificed in exchange for crash consistency, which ensures that data and metadata are restored consistently in the event of a system crash. To escape this trade-off between performance and crash consistency, recent researchers designed and implemented the transactional functionality inside Solid State Drives (SSDs). However, in order to investigate its benefit in a more realistic and standard fashion, this scheme should be re-evaluated in enterprise storage with standard interface. This paper explores the challenges and implications of a transactional SSD with extensive experiments. To evaluate the potential benefit of transactional SSD, we design and implement the transaction functionality in Samsung enterprise-class and SATA-based SSD (i.e., SM843TN) and name it TxSSD. We then modify the existing file systems (i.e., ext4 and btrfs) on topof TxSSD, making both file systems crash-consistent without redundant writes. We perform performance evaluation of two filesystems by using file I/O and OLTP benchmarks with a database. We also disclose and analyze the overhead of transactional functionality inside SSD. The experimental results show that TxSSD-aware file systems exhibit better performance compared to crash-consistent modes (i.e., data journaling mode of ext4 and cow mode of btrfs) but worse performance compared to weak consistent modes (i.e., ordered mode of ext4 and no datacow mode of btrfs).
URI
https://hdl.handle.net/10371/116818
DOI
https://doi.org/10.1109/MASCOTS.2016.57
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