Vasily Tarasov's page at FSL

Attention: I no longer maintain this page actively. It is here mainly for historical reasons. Please, go to my IBM personal Web-page for up-to-date information: http://researcher.watson.ibm.com/researcher/view.php?person=us-vtarasov

About me Resources Papers Contacts

In 2013 I got my Ph.D. Degree in Computer Science from Stony Brook University under the supervision of Prof. Erez Zadok. I'm currently employed at IBM Research - Almaden in the Storage Systems group. My research interests include Operating Systems, File Systems, Storage, Performance Analysis, Green Technologies, and Services Science. At FSL I worked within the frameworks of fsbench, green and hpcperf projects. I received B.S. and M.S. degrees in Applied Mathematics and Physics at MIPT - Moscow Institute of Physics and Technology. Before coming to Stony Brook I was employed as a kernel developer by Parallels for two years. I was mostly involved in the OpenVZ project there. In summer 2009 I interned at the IBM T.J. Watson Research Center, and in summer 2010 and 2012 at the IBM Research - Almaden.

While working on different projects, I delve into various areas of computer systems. In this section, I put assorted information that was of particular interest to me:

Filebench

As part of FSL I'm an official maintainer of Filebench file system and storage benchmark. You can find more about Filebench's unique characteristics at its official page.

DataSeries documentation (alternative URL)

DataSeries is a file format, library and a set of associated tools for efficient processing and storage of I/O traces. FSL and Harvey Mudd College try to put together documentation on this format to make it more usable by community.

Linux Asynchronous I/O Explained

We use Linux asynchronous I/O interface in our trace replayer. While working on it I felt that certain useful information about AIO interface is missing on the Web and decided to write my own story.

• Improving I/O Performance using Virtual Disk Introspection [PDF]
  Vasily Tarasov, Deepak Jain, Dean Hildebrand, Renu Tewari, Geoff Kuenning, Erez Zadok. In Proceedings of HotStorage 2013.

• Virtual Machine Workloads: The Case for New Benchmarks for NAS [PDF]
  Vasily Tarasov, Dean Hildebrand, Geoff Kuenning, Erez Zadok. In Proceedings of FAST 2013.

• Efficient I/O Scheduling with Accurately Estimated Disk Drive Latencies [PDF]
  Vasily Tarasov, Gyumin Sim, Anna Povzner, and Erez Zadok. In Proceedings of OSPERT 2012.

• Generating Realistic Datasets for Deduplication Analysis [PDF]
  Vasily Tarasov, Amar Mudrankit, Will Buik, Philip Shilane, Geoff Kuenning, Erez Zadok. In Proceedings of ATC 2012.

• Extracting Flexible, Replayable Models from Large Block Traces [PDF]
  Vasily Tarasov, Santhosh Kumar, Jack Ma, Dean Hildebrand, Anna Povzner, Geoff Kuenning, Erez Zadok. In Proceedings of FAST 2012.

• Disk Image Introspection for Storage Systems
  Dean Hildebrand, Renu Tewari, Vasily Tarasov. US Patent pending, 2011.

• Revisiting the Storage Stack in Virtualized NAS Environments [PDF]
  Dean Hildebrand, Anna Povzner, Renu Tewari, and Vasily Tarasov. In Proceedings of WIOV 2011.

• Benchmarking File System Benchmarking: It *IS* Rocket Science [PDF]
  Vasily Tarasov, Saumitra Bhanage, Erez Zadok, and Margo Seltzer. In Proceedings of HotOS 2011.

• Static Discovery and Remediation of Code-Embedded Resource Dependencies [PDF]
  Nikolay Joukov, Vasily Tarasov, Joel Ossher, Birgit Pfitzmann, Sergej Chicherin, Marco Pistoia, and Takaaki Tateishi. In Proceedings of IEEE IM 2011.

• System and Method for Updating Hard-coded Dependencies
  Nikolay Joukov, Joel Ossher, Birgit Pfitzmann, Vasily Tarasov. US Patent pending, 2010.

• Optimizing Energy and Performance for Server-class File System Workloads [PDF]
  Priya Sehgal, Vasily Tarasov, and Erez Zadok. ACM TOS, Volume 6, Number 3, September 2010

• Evaluating Performance and Energy in File System Server Workloads [PDF]
  Priya Sehgal, Vasily Tarasov, and Erez Zadok. In Proceeding of FAST 2010.

• The Case for Specialized File Systems, or, Fighting File System Obesity [PDF]
  Erez Zadok, Vasily Tarasov, and Priya Sehgal. login; The USENIX Magazine, Volume 35, Number 1, February 2010.

• Method and System to Discover Possible Program Variable Values by Connecting Program Value Extraction with External Data Sources
  Sergej Chicherin, Nikolay Joukov, Birgit Pfitzmann, Marco Pistoia, Vasily Tarasov, Takaaki Tateishi, Norvert Vogl. US Patent, 2009.

• Efficient Extraction of Software Dependencies from Program Code
  Nikolay Joukov, Birgit Pfitzmann, Marco Pistoia, Vasily Tarasov, Takaaki Tateishi, Norvert Vogl. US Patent, 2009.

• Energy and Performance Evaluation of Lossless File Data Compression on Server Systems [PDF]
  Rachita Kothiyal, Vasily Tarasov, Priya Sehgal, and Erez Zadok. In the Proceedings of SYSTOR 2009.

• CFQ_SUBSYS: Block I/O Scheduling Cgroups Subsystem based on CFQ [TXT]
  Vasily Tarasov. Computer Science Department, Project Report, Stony Brook University, 2007.

I try to answer all e-mails but sometimes it takes a while. And I noticed that "a while" becomes longer :( I'm sorry in advance!

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