USENIX FAST 2010 Report
at 21回仮想化実装技術勉強会(vimpl)
        2010/March/31

           須崎有康
        Kuniyasu Suzaki
基本情報
• 8th USENIX File System and Storage Technology
  – 2010/Feb/22-26, サンノゼ
  – Submit 89, Accept 21
  – 参加者 400人ぐらい。企業が...
Day1
•   WednesdayBuild a Better File System and the World Will Beat a Path to Your
    Door.
     – (Best Paper) quFiles:...
Day 2
•   Flash: Savior of the Universe?
     –   DFS: A File System for Virtualized Flash Storage
         William K. Jos...
Day 3
•   Concentration: The Deduplication Game
     – I/O Deduplication: Utilizing Content Similarity to Improve I/O Perf...
Extending SSD Lifetimes with Disk-Based Write Caches
Gokul Soundararajan, University of Toronto; Vijayan Prabhakaran, Mahe...
Extending SSD Lifetimes with Disk-Based Write Caches
                             Griffin




• 読み書きの特性解析
  – WAW: Write A...
Write Endurance in Flash Drives: Measurements and Analysis
  Simona Boboila and Peter Desnoyers, Northeastern University

...
Write Endurance in Flash Drives: Measurements and Analysis

  • 同じブロックを何回も書換えて振舞い解析




   • いずれの書換えも40msec以上遅くなったら
     D...
Write Endurance in Flash Drives: Measurements and Analysis
SRCMap: Energy Proportional Storage Using Dynamic Consolidation
Akshat Verma, IBM Research, India; Ricardo Koller, Luis Us...
Tracking Back References in a
  Write-Anywhere File System
• 既存のファイルシステムをログ構造ファイルシステ
  ムにし、クローンやスナップショットを取ることのでき
  るBacklo...
Membrane: Operating System Support for
      Restartable File Systems
• ファイルシステムの障害時に実行中のプロセ
  スを保持したままファイルシステムの再起動
  を可能に...
その他
• 潜在的なセクタエラー発表で何回か参照されていた論文
 – An Analysis of Latent Sector Errors in Disk Drives
   http://www.cs.wisc.edu/adsl/Publi...
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USENIX FAST10 Report by Suzaki

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USENIX FAST10 Report by Suzaki

  1. 1. USENIX FAST 2010 Report at 21回仮想化実装技術勉強会(vimpl) 2010/March/31 須崎有康 Kuniyasu Suzaki
  2. 2. 基本情報 • 8th USENIX File System and Storage Technology – 2010/Feb/22-26, サンノゼ – Submit 89, Accept 21 – 参加者 400人ぐらい。企業が多い。FaceBookがスポンサー • Best Papers are • "quFiles: The Right File at the Right Time " • "Membrane: Operating System Support for Restartable File Systems" • Keynote Address – Technology for Developing Regions • Eric Brewer, University of California, Berkeley – Agile Enterprise Analytics • Oliver Ratzesberger, eBay, Inc.
  3. 3. Day1 • WednesdayBuild a Better File System and the World Will Beat a Path to Your Door. – (Best Paper) quFiles: The Right File at the Right Time Kaushik Veeraraghavan and Jason Flinn, University of Michigan; Edmund B. Nightingale, Microsoft Research, Redmond; Brian Noble, University of Michigan – Tracking Back References in a Write-Anywhere File System Peter Macko and Margo Seltzer, Harvard University; Keith A. Smith, NetApp, Inc. – End-to-end Data Integrity for File Systems: A ZFS Case Study Yupu Zhang, Abhishek Rajimwale, Andrea C. Arpaci-Dusseau, and Remzi H. Arpaci- Dusseau, University of Wisconsin—Madison • Looking for Trouble – Black-Box Problem Diagnosis in Parallel File Systems Michael P. Kasick, Carnegie Mellon University; Jiaqi Tan, DSO National Labs, Singapore; Rajeev Gandhi and Priya Narasimhan, Carnegie Mellon University – A Clean-Slate Look at Disk Scrubbing Alina Oprea and Ari Juels, RSA Laboratories – Understanding Latent Sector Errors and How to Protect Against Them Bianca Schroeder, Sotirios Damouras, and Phillipa Gill, University of Toronto • Work-in-Progress Reports (WiPs) • Poster Session & Happy Hour
  4. 4. Day 2 • Flash: Savior of the Universe? – DFS: A File System for Virtualized Flash Storage William K. Josephson and Lars A. Bongo, Princeton University; David Flynn, Fusion-io; Kai Li, Princeton University – Extending SSD Lifetimes with Disk-Based Write Caches Gokul Soundararajan, University of Toronto; Vijayan Prabhakaran, Mahesh Balakrishnan, and Ted Wobber, Microsoft Research Silicon Valley – Write Endurance in Flash Drives: Measurements and Analysis Simona Boboila and Peter Desnoyers, Northeastern University • I/O, I/O, to Parallel I/O We Go – Accelerating Parallel Analysis of Scientific Simulation Data via Zazen Tiankai Tu, Charles A. Rendleman, Patrick J. Miller, Federico Sacerdoti, and Ron O. Dror, D.E. Shaw Research; David E. Shaw, D.E. Shaw Research and Columbia University – Efficient Object Storage Journaling in a Distributed Parallel File System Sarp Oral, Feiyi Wang, David Dillow, Galen Shipman, and Ross Miller, National Center for Computational Sciences at Oak Ridge National Laboratory; Oleg Drokin, Lustre Center of Excellence at Oak Ridge National Laboratory and Sun Microsystems Inc. – Panache: A Parallel File System Cache for Global File Access Marc Eshel, Roger Haskin, Dean Hildebrand, Manoj Naik, Frank Schmuck, and Renu Tewari, IBM Almaden Research • Making Management More Manageable – BASIL: Automated IO Load Balancing Across Storage Devices Ajay Gulati, Chethan Kumar, and Irfan Ahmad, VMware, Inc.; Karan Kumar, Carnegie Mellon University – Discovery of Application Workloads from Network File Traces Neeraja J. Yadwadkar, Chiranjib Bhattacharyya, and K. Gopinath, Indian Institute of Science; Thirumale Niranjan and Sai Susarla, NetApp Advanced Technology Group – Provenance for the Cloud Kiran-Kumar Muniswamy-Reddy, Peter Macko, and Margo Seltzer, Harvard School of Engineering and Applied Sciences
  5. 5. Day 3 • Concentration: The Deduplication Game – I/O Deduplication: Utilizing Content Similarity to Improve I/O Performance Ricardo Koller and Raju Rangaswami, Florida International University – HydraFS: A High-Throughput File System for the HYDRAstor Content- Addressable Storage System Cristian Ungureanu, NEC Laboratories America; Benjamin Atkin, Google; Akshat Aranya, Salil Gokhale, and Stephen Rago, NEC Laboratories America; Grzegorz Całkowski, VMware; Cezary Dubnicki, 9LivesData, LLC; Aniruddha Bohra, Akamai – Bimodal Content Defined Chunking for Backup Streams Erik Kruus and Cristian Ungureanu, NEC Laboratories America; Cezary Dubnicki, 9LivesData, LLC • The Power Button – Evaluating Performance and Energy in File System Server Workloads Priya Sehgal, Vasily Tarasov, and Erez Zadok, Stony Brook University – SRCMap: Energy Proportional Storage Using Dynamic Consolidation Akshat Verma, IBM Research, India; Ricardo Koller, Luis Useche, and Raju Rangaswami, Florida International University – (Best Paper) Membrane: Operating System Support for Restartable File Systems Swaminathan Sundararaman, Sriram Subramanian, Abhishek Rajimwale, Andrea C. Arpaci-Dusseau, Remzi H. Arpaci-Dusseau, and Michael M. Swift, University of Wisconsin—Madison
  6. 6. Extending SSD Lifetimes with Disk-Based Write Caches Gokul Soundararajan, University of Toronto; Vijayan Prabhakaran, Mahesh Balakrishnan, and Ted Wobber, Microsoft Research Silicon Valley • SSDのキャッシュにハードディスクを使う Griffin – 書換えを少なくすることでLifetimeを延ばす • 普通ならRAM、NVRAM、SSD • Griffinはハードディスク • 安い、シーケンシャルなら早い
  7. 7. Extending SSD Lifetimes with Disk-Based Write Caches Griffin • 読み書きの特性解析 – WAW: Write After Write – RAW: Read After Write • シーケンシャルアクセスになるようにログ構造的にHDを使う 。
  8. 8. Write Endurance in Flash Drives: Measurements and Analysis Simona Boboila and Peter Desnoyers, Northeastern University • USBフラッシュをリバースエンジニアリングして ブロック配置アルゴリズムの解析
  9. 9. Write Endurance in Flash Drives: Measurements and Analysis • 同じブロックを何回も書換えて振舞い解析 • いずれの書換えも40msec以上遅くなったら Dead
  10. 10. Write Endurance in Flash Drives: Measurements and Analysis
  11. 11. SRCMap: Energy Proportional Storage Using Dynamic Consolidation Akshat Verma, IBM Research, India; Ricardo Koller, Luis Useche, and Raju Rangaswami, Florida International University • 動的にHDを分離・停止して電力消費を抑える – RAIDの発展形?バンド幅確保?
  12. 12. Tracking Back References in a Write-Anywhere File System • 既存のファイルシステムをログ構造ファイルシステ ムにし、クローンやスナップショットを取ることのでき るBacklogの提案。 – Union File Systemのように既存のファイルシステムに追 加することがきで、先進的なファイルシステムBrtfsと同等 加する とがき 先進的な Brtfsと 等 の機能をEXT3で実現可能にした。
  13. 13. Membrane: Operating System Support for Restartable File Systems • ファイルシステムの障害時に実行中のプロセ スを保持したままファイルシステムの再起動 を可能にするOSへの追加構造の提案。 – 類似の研究はNeutron[SOSP09]。こちらはカー ネルをリブートするが、アプリケーションの実行状 況をメモリに保存。
  14. 14. その他 • 潜在的なセクタエラー発表で何回か参照されていた論文 – An Analysis of Latent Sector Errors in Disk Drives http://www.cs.wisc.edu/adsl/Publications/latent-sigmetrics07.pdf • Deduplication チュートリアル – 辞書式暗号化との関係の説明が良かった

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