Alexandru Uta

Post-doctoral Researcher Vrije Universiteit Amsterdam

Research Focus
Understanding and Optimizing the Performance of Distributed Systems

Contact

Links

Publications

• Laurens Versluis,
• Mehmet Çetin,
• Caspar Greeven,
• Kristian Laursen,
• Damian Podareanu,
• Valeriu Codreanu,
• Alexandru Uta,
• Alexandru Iosup
• (2022)

Less is not more: We need rich datasets to explore

Future Generation Computer Systems

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• Sherif Sakr,
• Angela Bonifati,
• Hannes Voigt,
• Alexandru Iosup,
• Khaled Ammar,
• Renzo Angles,
• Walid Aref,
• Marcelo Arenas,
• Maciej Besta,
• Peter A. Boncz,
• Khuzaima Daudjee,
• Emanuele Della Valle,
• Stefania Dumbrava,
• Olaf Hartig,
• Bernhard Haslhofer,
• Tim Hegeman,
• Jan Hidders,
• Katja Hose,
• Adriana Iamnitchi,
• Vasiliki Kalavri,
• Hugo Kapp,
• Wim Martens,
• M. Tamer Özsu,
• Eric Peukert,
• Stefan Plantikow,
• Mohamed Ragab,
• Matei R. Ripeanu,
• Semih Salihoglu,
• Christian Schulz,
• Petra Selmer,
• Juan F. Sequeda,
• Joshua Shinavier,
• Gábor Szárnyas,
• Riccardo Tommasini,
• Antonino Tumeo,
• Alexandru Uta,
• Ana Lucia Vărbănescu,
• Hsiang-Yun Wu,
• Nikolay Yakovets,
• Da Yan,
• Eiko Yoneki
• (2021)

The Future is Big Graphs: A Community View on Graph Processing Systems

Communications of the ACM, September 2021, Vol. 64 No. 9, Pages 62-71

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• Alexandru Uta,
• Kristian Laursen,
• Alexandru Iosup,
• Paul Melis,
• Damian Podareanu,
• Valeriu Codreanu
• (2020)

Beneath the SURFace: An MRI-like View into the Life of a 21st-Century Datacenter

Login Usenix Magazine, Fall 2020, Vol. 45 No. 3

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• Alexandru Uta,
• Alexandru Custura,
• Dmitry Duplyakin,
• Ivo Jimenez,
• Jan Rellermeyer,
• Carlos Maltzhan,
• Robert Ricci,
• Alexandru Iosup
• (2020)

Is Big Data Performance Reproducible In Modern Cloud Networks?

2020, USENIX Networked Systems Design and Implementation (NSDI)

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• Ahmed Musaafir,
• Henk Dreuning,
• Alexandru Uta,
• Ana Lucia Vărbănescu
• (2020)

A Sampling-Based Tool for Scaling Graph Datasets

2020, ACM/SPEC International Conference on Performance Engineering (ICPE)

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• Roshan Bharath-Das,
• Marc X. Makkes,
• Alexandru Uta,
• Lin Wang,
• Henri Bal
• (2019)

A Programming Environment for Heterogeneous Stream Analytics

2019, IEEE International Conference on Big Data (IEEE BigData)

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• Roshan Bharath-Das,
• Marc X. Makkes,
• Alexandru Uta,
• Lin Wang,
• Henri Bal
• (2019)

Aves: A Decision Engine for Energy-efficient Stream Analytics across Low-power Devices

2019, IEEE International Conference on Big Data (IEEE BigData)

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• Michel-Daniel Cojocaru,
• Alexandru Uta,
• Ana-Maria Oprescu
• (2019)

MicroValid: A Validation Framework for Automatically Decomposed Microservices

2019 11th IEEE International Conference on Cloud Computing (CloudCom)

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• Dmitry Duplyakin,
• Alexandru Uta,
• Aleksander Marciq,
• Robert Ricci
• (2019)

On Studying CPU Performance of CloudLab Hardware

Midscale Education and Research Infrastructure and Tools (MERIT) Workshop @ ICNP 2019

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• Alexandru Uta,
• Bogdan Ghit,
• Ankur Dave,
• Peter A. Boncz
• (2019)

[Demo] Low-latency Spark qeries on Updatable Data

2019 ACM SIGMOD International Conference on Management of Data Demos

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• Lucian Toader,
• Alexandru Uta,
• Ahmed Musaafir,
• Alexandru Iosup
• (2019)

Graphless: Toward Serverless Graph Processing

The 18th IEEE International Symposium on Parallel and Distributed Computing (ISPDC 2019), Amsterdam, the Netherlands, June 5-7, 2019

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• Maria Anemona Voinea,
• Alexandru Uta,
• Alexandru Iosup
• (2018)

POSUM: A Portfolio Scheduler for MapReduce Workloads

2018, IEEE International Conference on Big Data (IEEE BigData)

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• Erwin van Eyk,
• Lucian Toader,
• Sacheendra Talluri,
• Laurens Versluis,
• Alexandru Uta,
• Alexandru Iosup
• (2018)

Serverless is More: From PaaS to Present Cloud Computing

IEEE Internet Computing, Sep/Oct edition, 2018

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• Alexandru Uta,
• Harry Obaseki (Vrije Univeristeit Amsterdam, The Netherlands)
• (2018)

A Performance Study of Big Data Workloads in Cloud Datacenters with Network Variability

HotCloudPerf 2018

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• Alexandru Iosup,
• Alexandru Uta,
• Laurens Versluis,
• Georgios Andreadis,
• Erwin van Eyk,
• Tim Hegeman,
• Sacheendra Talluri,
• Vincent van Beek,
• Lucian Toader
• (2018)

Massivizing Computer Systems: a Vision to Understand, Design, and Engineer Computer Ecosystems through and beyond Modern Distributed Systems

International Conference on Distributed Computing Systems 2018

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• Alexandru Uta,
• Sietse Au,
• Alexey Ilyushkin,
• Alexandru Iosup
• (2018)

Elasticity in Graph Analytics? A Benchmarking Framework for Elastic Graph Processing

Cluster 2018 : IEEE International Conference on Cluster Computing

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• Alexandru Uta,
• Ana Lucia Vărbănescu,
• Ahmed Musaafir,
• Chris LeMaire,
• Alexandru Iosup
• (2018)

Exploring HPC and Big Data Convergence: A Graph Processing Study on Intel Knights Landing

Cluster 2018 : IEEE International Conference on Cluster Computing

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Talks

• Alexandru Uta
• (2018)

Non-trivial Cloud Computing Phenomena: The Impact of Performance Variability on Big Data

VU HPC workshop

Talk

• Alexandru Uta
• (2018)

Elasticity in Graph Analytics? A Benchmarking Framework for Elastic Graph Processing

Cluster 2018 - IEEE International Conference on Cluster Computing, September 10 - 13, 2018, Belfast, UK.

Talk

• Alexandru Uta
• (2018)

Exploring HPC and Big Data Convergence: A Graph Processing Study on Intel Knights Landing

Cluster 2018 - IEEE International Conference on Cluster Computing, September 10 - 13, 2018, Belfast, UK.

Talk

Teaching

Co-Teacher

Distributed Systems, MSc, VU (2017-ongoing)