The Disk is Dead! Long Live the Disk!

4/26/03


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Table of Contents

The Disk is Dead! Long Live the Disk!

One-Slide Version of the Talk

Hardware Evolution

The Genesis of Conquest

Storage Price Trends

The Genesis of Conquest

Storage Price Trends

The Genesis of Conquest

User Access Patterns

Random-Access Large Files

Sequential-Access Large Files

The Design of Conquest

The LRU Option

Files Stored in Persistent RAM

Conquest Representation (1)

Conquest Memory Data Path

Large-File-Only Disk Storage

Conquest Disk Data Path

Conquest Representation (2)

Conquest Directories

The Difficulty With Shrinking

The Difficulty With Shrinking

The Difficulty With Shrinking

The Difficulty With Shrinking

The Difficulty with Shrinking

Extensible Hash Tables

Extensible Hash Tables

PostMark Benchmark (1)

PostMark Benchmark (2)

PostMark Benchmark (3)

Sprite LFS Benchmarks (1)

Why Ramfs Beats Conquest

Sprite LFS Benchmarks (2)

Sprite LFS Benchmarks (3)

Sprite LFS Benchmarks (4)

Related Work

Related Work (2)

Lessons Learned

Conclusion

Author: Geoff Kuenning

Email: geoff@cs.hmc.edu

Home Page: http://www.cs.hmc.edu/~geoff