教師資料查詢 | 類別: 會議論文 | 教師: 衛信文 Wei, Hsin-Wen (瀏覽個人網頁)

標題:A new sequential-write-constrained cache management to mitigate write amplification for SMR drives
學年107
學期2
發表日期2019/04/08
作品名稱A new sequential-write-constrained cache management to mitigate write amplification for SMR drives
作品名稱(其他語言)
著者Shuo-Han Chen; Yong-Ching Lin; Yuan-Hao Chang; Ming-Chang Yang; Tseng-Yi Chen; Hsin-Wen Wei; Wei-Kuan Shih
作品所屬單位
出版者
會議名稱The 34th ACM/SIGAPP Symposium on Applied Computing, SAC 2019
會議地點Limassol, Cyprus,
摘要Shingled magnetic recording (SMR) is regarded as a promising solution for fulfilling the capacity requirement of next-generation big data applications. However, due to the sequential-write constraint of SMR drives, random-write requests could only be achieved via read-merge-write (RMW) operations, which leads to a huge amount of write amplification. SMR drives nowadays employ an on-disk persistent cache area for absorbing random-write traffic. Nevertheless, the on-disk persistent cache area cannot absorb duplicate write traffic via overwriting due to the sequential-write constraint. Such observation motivates us to propose a sequential-write-constrained cache (SWC2) management to mitigate the write amplification issue of SMR drives. The proposed strategy is implemented within the Linux system and the experimental results show that the amount of write amplification can be reduced by an average of 52.27%.
關鍵字
語言英文(美國)
收錄於
會議性質國際
校內研討會地點
研討會時間20190408~20190412
通訊作者
國別美國
公開徵稿
出版型式
出處SAC '19 Proceedings of the 34th ACM/SIGAPP Symposium on Applied Computing, p.599-606
相關連結
Google+ 推薦功能,讓全世界都能看到您的推薦!