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EuroSys 2010 Paris April 13-16, 2010. Overview 7 workshops, 5 tutorials 10 sessions Storage Systems Transactional Memory Real-Time Systems Systems Management.

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Presentation on theme: "EuroSys 2010 Paris April 13-16, 2010. Overview 7 workshops, 5 tutorials 10 sessions Storage Systems Transactional Memory Real-Time Systems Systems Management."— Presentation transcript:

1 EuroSys 2010 Paris April 13-16, 2010

2 Overview 7 workshops, 5 tutorials 10 sessions Storage Systems Transactional Memory Real-Time Systems Systems Management Scheduling Kernel Clouds Security Bugs and Profiling Multicast

3 The Doctoral Workshop 2 keynotes 5 / 15 min. presentations The Gauleiter The Don vs.

4 Day 1 – Summary SSD cache compression Differential RAID AMD ASF Legacy Feedback Scheduling ++ Java for UAVs Expected cost of operator mistakes Web app testing proxy SynQuake Datacenter fingerprints

5 Day 1 – Best Paper „Fingerprinting the Datacenter: Automated Classification of Performance Crises“ P. Bodik (Berkeley), M. Goldszmidt (MSR), A. Fox (Berkeley), D.B. Woodard (Cornell), H. Andersen (Microsoft)

6 Day 1 – Best Paper „Fingerprinting the Datacenter: Automated Classification of Performance Crises“

7 Day 1 – Best Paper „Fingerprinting the Datacenter: Automated Classification of Performance Crises“ Evaluation on production cluster at Microsoft (400 machines) 77% accuracy for crisis identification, 82% for identification of unseen crises On average after 10 minutes

8 Day 1 – Runner- up „Differential RAID: Rethinking RAID for SSD Reliability“ M. Balakrishnan (MSR), A. Kadav (U. Wisconsin), V. Prabhakaran, D. Malkhi (MSR)

9 Day 1 – Runner-up „Differential RAID: Rethinking RAID for SSD Reliability“ Correlated failure probability increases

10 Day 1 – Runner-up „Differential RAID: Rethinking RAID for SSD Reliability“ Distribution provably converges

11 Day 1 – Runner-up „Differential RAID: Rethinking RAID for SSD Reliability“ Simulation using BER data for 12 chips Implementation for performance

12 Day 2 – Summary Bias scheduling (x2) Energy-efficient scheduling Yet-another-hypervisor™ NIC Driver Reverse Engineer-ator Surviving kernel crashes Residue objects Map-Reduce to SQL converter Return-less kernels Q-states for clouds Delay scheduling on clusters Declarative cloud programming Weakly consistent access control

13 Day 2 – Best Paper † „Otherworld - Giving Applications a Chance to Survive OS Kernel Crashes“ Alex Depoutovitch (U. Toronto), Michael Stumm (U. Toronto) † according to the conference audience

14 Day 2 – Best Paper „Otherworld - Giving Applications a Chance to Survive OS Kernel Crashes“ Crash Launch crash kernel1)Restore processes 2)Migrate resources 3)Run crash procedures

15 Day 2 – Best Paper „Otherworld - Giving Applications a Chance to Survive OS Kernel Crashes“ Fault injection – 4,000 experiments 97-98% recovery success rate „We have had a similar facility in Minix for years. However, we found that you need to do a lot more experiments as there are some really weird and rare issues that can occur [...] You want to do millions of tests, not just a few thousand.“ – Andrew Tanenbaum [paraphrased from memory]

16 Day 2 – Best Paper „Otherworld - Giving Applications a Chance to Survive OS Kernel Crashes“ Open questions - What is re-inited and what is restored? (e.g. daemons) - What about e.g. disk access during crash and resulting corruption? - Downtime due to microreboot? - Modification effort and specificity

17 Day 2 – Craziest Papers † „Reverse Engineering of Binary Device Drivers with RevNIC“ Vitaly Chipounov (EPFL), George Candea (EPFL) † as judged by the presenter... „Defeating Return-Oriented Rootkits With Return- less Kernels“ J. Li, Z. Wang, X. Jiang, M. Grace, S. Bahram (North Carolina State University)

18 Day 2 – Craziest Papers „Reverse Engineering of Binary Device Drivers with RevNIC“

19 Day 2 – Craziest Papers „Reverse Engineering of Binary Device Drivers with RevNIC“

20 Day 3 – Summary Ummmm..... Detect and prevent atomicity violations Automated software debugging Cache profiling Dr. Multicast Next 700 BFT protocols

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