Lydia Y. Chen  Lydia  Y. Chen photo       

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Zurich Research Laboratory, Zurich, Switzerland

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2017

Making Neighbors Quiet: An Approach to Detect Virtual Resource Contention
J. Valone, R. Birke, and Lydia Y. Chen
IEEE Transactions on Service Computing, 2017

Power of Redundancy:Designing Partial Replication for Multi-tier Applications
R. Birke, Q Zhan, J. F. Perez, M. Bjoerkqvist, Lydia Y. Chen
IEEE INFOCOM, 2017

Meeting Latency Target in Transient Burst: a Case on Spark Streaming
R. Birke, M. Bjoerkqvist, E. Kalyvianaki, Lydia Y. Chen
IEEE International Conference on Cloud Engineering (IC2E) , 2017

On the Latency-Accuracy Tradeoff in Approximate MapReduce Jobs
J. F. Perez, R. Birke, Lydia Y. Chen
IEEE INFOCOM, 2017

Cutting Latency Tail: Analyzing and Validating Replication without Canceling
Z. Qiu, , J. Perez, R. Birke, Lydia Y. Chen, and P. Harrison
IEEE Transactions on Parallel and Distributed Computing, 2017

Dual Scaling VMs and Queries: Cost-effective Latency Curtailment
J. Perez, R. Birke, M. Borkqvist, and Lydia Y. Cheny
IEEE International Conference on Distributed Computing Systems (ICDCS), 2017

AccStream: Accuracy-aware Overload Management for Stream Processing Systems
H. Sun, R. Birke, W. Binder, and Lydia Y. Chen
EEE International Conference on Autonomic Computing (ICAC), 2017


2016

On Fair Attribution of Costs Under Peak-based Pricing to Cloud Tenants.
N. Nasiriani, C.Wang, G. Kesidis, B. Urgaonkar, R. Birke, and Lydia Y. Chen.
ACM Transactions on Modeling and Performance Evaluation of Computing Systems, 2016

Virtualization in the Private Cloud: State of the Practice
R. Birke, A. Podzimek, E. Smirni, and Lydia Y. Chen
IEEE Transactions on Network and Service Management, 2016

Managing Data Center Tickets: Prediction and Active Sizing
J. Xue, R. Birke, E. Smirni, and Lydia Y. Chen
IEEE/IFIP Conference on Dependable Systems and Networks (DSN), 2016

Tale of Tails: Anomaly Avoidance in Data Centers.
J. Xue, R. Birke, E. Smirni, and Lydia Y. Chen
IEEE Symposium on Reliable Distributed Systems (SRDS), 2016

Effective Capacity Modulation as an Explicit Control Knob for Public Cloud Profitability
C. Wang, B. Urgaonkar, A. Gupta, L. Y. Chen, R. Birke, and G. Kesidis
IEEE International Conference on Autonomic Computing (ICAC), 2016

Sprint Ability: How Well Does Your Software Exploit Bursts in Processing Capacity?
N. Morris, C. Stewart, S. M. Renganathan, R. Birke, and Lydia Y. Chen.
IEEE International Conference on Autonomic Computing (ICAC), 2016

Profiling Memory Vulnerability of Big-data Applications
N. Rameshan, R. Birke, L. Navarro, V. Vlassov, B. Urgaonkar, G. Kesidis, M. Schmatz, and Lydia Y. Chen.
IEEE/IFIP International Conference on Dependable Systems and Networks (DSN), 2016

Robust Server Consolidation: Coping with Peak Demand Underestimation.
D. Grimes, D. Mehta, B. O Sullivan, R. Birke, Lydia Y. Chen, T. Scherer and I. Castineiras
IEEE Symposium on Modelling, Analysis & Simulation of Computer and Telecommunication Systems (MASCOTS), 2016

Actor Profiling in Virtual Execution Environments
A. Rosa, Lydia Y. Chen, and W. Binder
International Conference on Generative Programming: Concepts Experience (GPCE), 2016

Failure Analysis and Prediction for Big-Data Systems
A. Rosa, Lydia Y. Chen, and W. Binder
IEEE Transactions on Services Computing, 2016

Dynamic Block Sizing for Data Stream Processing Systems
Robert Birke, Evangelia Kalyvianaki, Walter Binder, Martin Schmatz, Lydia Y. Chen
Proceedings of the 2016 IEEE International Conference on Cloud Engineering, To appear

Optimizing for Tail Sojourn Times of Cloud Clusters
M. Bjorkqvist, N. Gautam, R. Birke, W. Binder, and Lydia Y. Chen.
IEEE Transaction on Cloud Computing, 2016


2015

PRACTISE: Robust Prediction of Datacenter Timeseries
Ji Xue, Feng Yan, Robert Birke, Lydia Y. Chen, Thomas Scherer, Evgenia Smirni
Network and Service Management (CNSM), 2015 11th International Conference on, pp. 126-134, IEEE

Catching Failures of Failures at Big-Data Clusters: a Two-Level Neural Network Approach
A. Rosa, Lydia Y. Chen, and W. Binder
IEEE/ACM International Conference on Quality of Service (IWQoS), 2015

Optimizing Energy, Locality and Priority in a MapReduce Cluster
Yijun Ying, Robert Birke, Cheng Wang, Lydia Y. Chen, Natarajan Gautam
Autonomic Computing (ICAC), 2015 IEEE International Conference on, pp. 21-30, IEEE

Contention Detection by Throttling: a Black-box On-line Approach
J. Vallone, R. Birke, and Lydia Y. Chen
IEEE/ACM International Symposium on Quality of Service (IWQoS), 2015

Recouping Energy Costs From Cloud Tenants: Tenant Demand Response Aware Pricing Design
Cheng Wang, Neda Nasiriani, George Kesidis, Bhuvan Urgaonkar, Qian Wang, Lydia Y. Chen, Aayush Gupta, Robert Birke
Proceedings of the 2015 ACM Sixth International Conference on Future Energy Systems, pp. 141--150, ACM

Understanding the Dark Side of Big Data Clusters: an Analysis beyond Failures
A. Rosa, Lydia Y. Chen, and W. Binder
IEEE/IFIP Conference on Dependable Systems and Networks (DSN), 2015

When Virtual Meets Physical at the Edge: A Field Study on Datacenters' Virtual Trac
R. Birke, M. Bjoerkqvist, C. Minkenberg, M. Schmatz and Lydia Y. Chen
ACM Sigmetrics, 2015

Catching the Response Time Tail in the Cloud
S. Spicuglia, M. Bjoerkqvist, Lydia Y. Chen, and W. Binder
IEEE/IFIP Symposium on Integrated Network Management (IM), 2015

Optimizing Capacity Allocation for Big Data Applications in Cloud Datacenters
Sebastinao Spicuglia, Lydia Y. Chen, Robert Birke, Walter Binder
Integrated Network Management (IM), 2015 IFIP/IEEE International Symposium on, pp. 511-517, IEEE

Analyzing the Impact of CPU Pinning and Partial CPU Loads on Performance and Energy Efficiency
A. Podzimek, L. Bulej, Lydia Y. Chen, W. Binder, and P Tuma
IEEE/ACM Symposium on Cluster, Cloud, and Grid Computing (CCGrid) ((Best Paper Runner-up Award)), 2015

Discharging the Network From Its Flow Control Headaches: Packet Drops and HOL.
N. Chrysos, Lydia Y. Chen, C. Kachris and M. Katevenis
IEEE Transaction on Network, 2015


2014

Green MapReduce for Heterogeneous Data Centers
D. Cavdar, Lydia Y. Chen, and F. Alagoz
Globecom, 2014

Quantifying the Brown Side of the Priority Scheduler: Lessons from Big Clusters
D. Cavdar, A. Rosa, W. Binder, F. Alagz, and Lydia Y. Chen,
GreenMetrics, 2014

A large scale field study of the performance of geographically dispersed data centers
R. Birke, Lydia Y. Chen, E. Smirni
Handbook on Data Center, 2014

Failures Analysis of Virtual and Physical Machines: Patterns, Causes and Characteristics
R. Birke, I. Giurgiu, Lydia Y. Chen, D. Wiessmann, T. Engbersen
Annual IEEE/IFIP International Conference on Dependable Systems and Networks (DSN), 2014

Multi-Resource (In)dependency in Production Datacenters
R. Birke, Lydia Y. Chen, and E. Smirni
IEEE/IFIP Network Operations and Management Symposium (NOMS 2014)

(Big)Data in a Virtualized World: Volume, Velocity, and Variety in Enterprise Datacenters
R. Birke, M. Bjoerkqvist, Lydia Y. Chen, E. Smirni, and T. Engbersen
USENIX Conference on File and Storage Technologies (FAST '14) , 2014


2013

QoS-aware VM Provisioning for Services in Clouds: Experiences, Models, and Cost Analysis
M. Bjoerkqvist, S. Spicgulia, Lydia Y. Chen, W. Binder
11th International Conference on Service Oriented Computing(ICSOC), 2013

Characterization Analysis of Resource Utilization Distribution
Robert Birke, Lydia Y. Chen, Marco Gribaudo, Pietro Piazzolla
Modeling, Analysis Simulation of Computer and Telecommunication Systems (MASCOTS), 2013 IEEE 21st International Symposium on, pp. 370-374, IEEE

Transforming System Load to Throughput for Consolidated Applications
A. Podzimek and Lydia Y. Chen
IEEE MASCOTS, 2013

Join the Best Queue: Reducing Performance Variability in Heterogeneous Systems
S. Spicuglia, Lydia Y. Chen, W. Binder
IEEE Cloud, 2013

A Datacenter Network Tale from a Server' s Perspective
R, Brike, Lydia Y. Chen, C. Minkenberg
ACM/IEEE International Symposium on Quality of Service (IWQoS), 2013

State-of-the-practice in Data Center Virtualization: Toward a Better Understanding of VM Usage
Robert. Birke, Andrej Podzimek, Lydia Y. Chen, Evgenia Smirni
Dependable Systems and Networks (DSN), 2013 43rd Annual IEEE/IFIP International Conference on, pp. 1-12, IEEE

What to expect when you are consolidating: effective prediction models of application performance on multicores
Lydia Y. Chen, D. Ansaloni, , E. Smirni, A. Yokokawa, W. Binder
Journal of Cluster Computing, 2013

Parallelism Profiling and Wall-time Prediction for Multi-threaded Applications
A. Yokokawa, A. Peternier, Lydia Y. Chen, W. Binder
ACM/SPEC International Conference on Performance Engineering (ICPE), 2013

On Load Balancing: a Mix-aware Algorithm for Heterogenous Systems
S, Spicuglia, M. Bjoerkqvist, Lydia Y. Chen, W. Binder, G. Serazzi, E. Smirni,
Proceedings of ACM/SPEC International Conference on Performance Engineering (ICPE), 2013


2012

Cost-driven Service Provisioning in Hybrid Clouds
M. Bjoerkqvist, Lydia Y. Chem, W. Binder
IEEE International Conference on Service Oriented Computing & Applications (SOCA), 2012

Usage Patterns in Multi-tenant Data Centers: A Temporal Perspective
Robert Birke, Lydia Y. Chen, Evgenia Smirni
Proceedings of the 9th International Conference on Autonomic Computing, pp. 161--166, ACM, 2012

Data Centers in the Cloud: A Large Scale Performance Study
Robert Birke, Lydia Y. Chen, Evgenia Smirni
Cloud Computing (CLOUD), 2012 IEEE 5th International Conference on, pp. 336-343, IEEE

Achieving Application-Centric Performance Targets via Consolidation on Multicores: Myth or Reality?
Lydia Y. Chen, D. Ansaloni, , E. Smirni, A. Yokokawa, W. Binder
ACM Symposium on High-Performance Parallel and Distributed Computing(HPDC), 2012

Dynamic Replication in Service-Oriented Systems
M. Bjoerkqvist, Lydia Y. Chen, and W. Binder
Proceedings of IEEE CCgrid , 2012

Model-driven Consolidation of Java Workloads on Multicores
D. Ansaloni, Lydia Y. Chen, E. Smirni, W. Binder.
In Proceedings of IEEE/IFIP International Conference on Dependable Systems and Networks (DSN)), 2012

Deferred Methods: Accelerating Dynamic Program Analysis on Multicores
D. Ansaloni, W. Binder, Abbas Heydarnoori, Lydia Y. Chen
In Proceedings of The International Symposium on Code Generation and Optimization (CGO), 2012

Find Your Best Match: Predicting Performance of Consolidated Workloads
D. Ansaloni, Lydia Y. Chen, E. Smirni, W. Binder
Proceedings of ACM International Conference on Performance Engineering (ICPE), 2012

Opportunistic Service Provisioning in the Cloud
M. Bjoerkqvist, Lydia Y. Chen, and W. Binder
5th International Conference on Cloud Computing (IEEE Cloud), 2012


2011

Optimal Mixing of Java Applications on Multicore Systems: Prediction and Validation
D. Ansaloni, Lydia Y. Chen, E. Smirni, W. Binder
In Proceedings of ACM/IFIP Middleware , 2011

Optimizing Service Replication in Clouds.
M. Bjoerkqvist, Lydia Y. Chen, and W. Binder
In Proceedings of Winter Simulation, 2011

Availability of Datacenter Power Infrastructure
S. Govindan, D. Wang, Lydia Y Chen, A. Sivasubramaniam, B. Urgaonkar
In Proceedings of ACM HotPowe , in conjunction with ACM Symposium on Operating Systems Principles (SOSP), 2011

Minimizing Retrieval Cost of Multi-layer Content Distribution Systems.
M. Bjoerkqvist, Lydia Y. Chen, and X. Zhang.
In Proceedings of IEEE ICC, 2011

Minimizing retrieval latency for content cloud
M Bjorkqvist, L Y Chen, M Vukolic, X Zhang
Proceedings IEEE INFOCOM, pp. 1080--1088, 2011

On the convergence to fairness in overloaded FIFO systems
F Ciucu, O Hohlfeld, L Y Chen
Proceedings IEEE INFOCOM, pp. 1988--1996, 2011


2010

Exploiting Under-Utilized Cores with Deferred Methods
D Ansaloni, W Binder, A Heydarnoori, L Y Chen
2010 - old.inf.usi.ch

Load-Balancing Dynamic Service Binding in Composition Execution Engines
M Bjorkqvist, L Y Chen, W Binder
In Proceedings of IEEE Asia-Pacific Services Computing Conference (APSCC), pp. 67--74, 2010

Throughput of random arbitration for approximate matchings
L Y Chen, N Chrysos
Proceedings of the 6th ACM/IEEE Symposium on Architectures for Networking and Communications Systems, pp. 16, 2010

End-to-end congestion management for non-blocking multi-stage switching fabrics
N Chrysos, L Y Chen, C Minkenberg, C Kachris, M Katevenis
Proceedings of the 6th ACM/IEEE Symposium on Architectures for Networking and Communications Systems, pp. 6, 2010

Content retrieval delay driven by caching policy and source selection
M Bj{
In Proceedings of IEEE/ACM International Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS), pp. 397--399, 2010


2009

Content Management in Multi-layers Peer to Peer Network
Y. Chen, A. Scchitano, and M. Meo
Proceedings of IEEE ICC, 2009

Server Frequency Control Using Markov Decision Processes
L Y Chen, N Gautam
INFOCOM 2009, IEEE, pp. 2951--2955

Optimization of Link Bandwidth for Parallel Communication Performance
Lydia Y. Chen, Wolfgang Denzel, Ronald Luijten
IPCCC'09: 28th IEEE International Performance Computing and Communications Conference, pp. 137--144, IEEE, 2009


2006

Performance Management of InternetWeb Servers via an LPV Approach
W. Qin, Q.Wang, Y. Chen, and N. Gautam
Proceedings of the American Control Conference (ACC) , pp. 2939-2944, 2006

Consolidating clients on back-end servers with co-location and frequency control
Y Chen, A Das, A Sivasubramaniam, Q Wang, R Harper, M Bland
ACM SIGMETRICS Performance Evaluation Review 34(1), 383--384, ACM, 2006


2005

Managing server energy and operational costs in hosting centers
Y Chen, A Das, W Qin, A Sivasubramaniam, Q Wang, N Gautam
ACM SIGMETRICS Performance Evaluation Review, pp. 303--314, 2005


2004

Pricing and Autonomic Control of Web Servers with Time-Varying Request Patterns
Y. Chen, A. Das, N. Gautam, Q. Wang, and A. Sivasubramaniam
Proceedings of IEEE International Conference on Autonomic Computing (ICAC), 2004

Pricing-based strategies for autonomic control of web servers for time-varying request arrivals
Y Chen, A Das, N Gautam, Q Wang, A Sivasubramaniam
Engineering Applications of Artificial Intelligence 17(7), 841--854, Elsevier, 2004