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Integrating Portable and
Distributed Storage
N. Tolia, J. Harkes, M. Kozuch, M. Satyanarayanan
IRP-TR-03-10
INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH INTEL®
PRODUCTS. NO LICENSE, EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, TO
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Copyright © Intel Corporation 2003
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Inhaltsverzeichnis

Seite 1

Integrating Portable and Distributed Storage N. Tolia, J. Harkes, M. Kozuch, M. Satyanarayanan IRP-TR-03-10 INFORMATION IN THIS DOCUME

Seite 2 - 1 Introduction

Lookaside Device StateTrace Bandwidth No Device 100% 66% 33%100 Mb/s 50.1 (2.6) 53.1 (2.4) 50.5 (3.1) 48.8 (1.9)Purcell 10 Mb/s 61.2 (2.0) 55.0 (6.5)

Seite 3 - 3 Lookaside Caching

No WithLookaside Lookaside Win100 Mb/s 173 (9) 103 (3.9) 40.1%10 Mb/s 370 (14) 163 (2.9) 55.9%1 Mb/s 2688 (39) 899 (26.4) 66.6%100 Kb/s 30531 (1490) 8

Seite 4 - 4 Prototype Implementation

possessed by portable devices, while simultaneouslypreserving the consistency, robustness and ease of shar-ing/collaboration provided by distributed fi

Seite 5 - 5 Evaluation

No Lookaside With Lookaside0%100%200%300%400%500%600%700%800%900%1000%Operations Sorted by SlowdownSlowdown0%100%200%300%400%500%600%700%800%900%1000%

Seite 6 - NISTNet RouterLookaside

Integrating Portable and Distributed StorageNiraj Tolia†‡, Jan Harkes†, Michael Kozuch‡, M. Satyanarayanan†‡†Carnegie Mellon University,‡Intel Researc

Seite 7

2 BackgroundTo understand the continuing popularity of portablestorage, it is useful to review the strengths and weak-nesses of portable storage and d

Seite 8

there should be no compromise of robustness, consis-tency or security. There should also be no added com-plexity in sharing and collaboration. Finally

Seite 9

cfs lka --clear exclude all indexescfs lka +db1 include index db1cfs lka -db1 exclude index db1cfs lka --list print lookaside statisticsFigure 1. Look

Seite 10

0%20%40%60%80%100%2.4.02.4.22.4.42.4.62.4.82.4.102.4.122.4.142.4.162.4.182.4.202.4.222.4.0 2.4.1 2.4.2 2.4.3 2.4.4 2.4.5 2.4.6 2.4.72.4.8 2.4.9 2.4.10

Seite 11 - 7 Conclusion

Lookaside Device StateBandwidth No Device 2.4.18 2.4.17 2.4.13 2.4.9 2.4.0100 Mb/s 287.7 (5.6) 292.7 (6.4) 324.7 (16.4) 346.4 (6.9) 362.7 (3.4) 358.1

Seite 12 - References

suspend.1Lookaside caching can then reduce the per-formance overhead of cache misses at the resume site.A different use of lookaside caching for ISR i

Seite 13

No WithLookaside Lookaside Win100 Mb/s 14 (0.5) 13 (2.2) 7.1%10 Mb/s 39 (0.4) 12 (0.5) 69.2%1 Mb/s 317 (0.3) 12 (0.3) 96.2%100 Kb/s 4301 (0.6) 12 (0.1

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