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Distributed Computing Seminar Lecture 3: Distributed Filesystems Christophe Bisciglia, Aaron Kimball, & Sierra Michels-Slettvet Google, Inc.  Summer 2007 Except as otherwise noted, the content of this presentation is © Copyright University of Washington and licensed under the Creative Commons Attribution 2.5 License.
Outline ,[object Object],[object Object],[object Object]
Filesystems Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Distributed Filesystems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
NFS  ,[object Object],[object Object],[object Object]
NFS Protocol ,[object Object],[object Object],[object Object],[object Object]
Server-side Implementation ,[object Object],[object Object],[object Object],[object Object],[object Object]
NFS Locking ,[object Object],[object Object],[object Object],[object Object],[object Object]
NFS Client Caching ,[object Object],[object Object],[object Object],[object Object],[object Object]
NFS: Tradeoffs ,[object Object],[object Object],[object Object],[object Object]
The Google File System Sanjay Ghemawat, Howard Gobioff,  and Shun-Tak Leung SOSP 2003 (These slides by Alex Moshchuk, University of Washington – used with permission)
Motivation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Assumptions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
GFS Design Decisions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
GFS Architecture ,[object Object],[object Object],… Can anyone see a potential weakness in this design?
Single master ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Metadata (1/2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Metadata (2/2) ,[object Object],[object Object],[object Object],[object Object]
Mutations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Atomic record append ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Relaxed consistency model (1/2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Relaxed consistency model (2/2) ,[object Object],[object Object],[object Object],[object Object]
Master’s responsibilities (1/2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Master’s responsibilities (2/2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Fault Tolerance ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Performance
Deployment in Google ,[object Object],[object Object],[object Object],[object Object]
Conclusion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Next Time... ,[object Object],[object Object]

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Distributed file systems (from Google)

  • 1. Distributed Computing Seminar Lecture 3: Distributed Filesystems Christophe Bisciglia, Aaron Kimball, & Sierra Michels-Slettvet Google, Inc. Summer 2007 Except as otherwise noted, the content of this presentation is © Copyright University of Washington and licensed under the Creative Commons Attribution 2.5 License.
  • 2.
  • 3.
  • 4.
  • 5.
  • 6.
  • 7.
  • 8.
  • 9.
  • 10.
  • 11. The Google File System Sanjay Ghemawat, Howard Gobioff, and Shun-Tak Leung SOSP 2003 (These slides by Alex Moshchuk, University of Washington – used with permission)
  • 12.
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