Publications

Publications

Refereed publications

• PowerSensor3: A fast and accurate open source power measurement tool
  Steven van der Vlugt, Leon Oostrum, Gijs Schoonderbeek, Ben van Werkhoven, Bram Veenboer, Krijn Doekemeijer, John Romein (2025 May)
  2025 IEEE International Symposium on Performance Analysis of Systems and Software (ISPASS)
  
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• Columbo: A Reasoning Framework for Kubernetes’ Configuration Space
  Matthijs Jansen, Sacheendra Talluri, Krijn Doekemeijer, Nick Tehrany, Alexandru Iosup, Animesh Trivedi (2025 May)
  In Proceedings of 16th ACM/SPEC International Conference on Performance Engineering (ICPE'25)
  
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• An I/O Characterizing Study of Offloading LLM Models and KV Caches to NVMe SSD
  Zebin Ren, Krijn Doekemeijer, Tiziano De Matteis, Christian Pinto, Radu Stoica, Animesh Trivedi (2025 May)
  In Proceedings of the 5th Workshop on Challenges and Opportunities of Efficient and Performant Storage Systems (CHEOPS'25)
  
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• Exploring I/O Management Performance in ZNS with ConfZNS++
  Krijn Doekemeijer, Dennis Maisenbacher, Zebin Ren, Nick Tehrany, Matias Bjørling, Animesh Trivedi (2024 September)
  In Proceedings of the 17th ACM International Conference on Systems and Storage (SYSTOR'24)
  
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• ZWAL: Rethinking Write-ahead Logs for ZNS SSDs with Zone Appends
  Krijn Doekemeijer, Zebin Ren, Nick Tehrany, Animesh Trivedi (2024 August)
  ACM SIGOPS Operating Systems Review, Volume 58, Issue 1 (SIGOPS OSR'24)
  
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• zns-tools: An eBPF-powered, Cross-Layer Storage Profiling Tool for NVMe ZNS SSDs
  Nick Tehrany, Krijn Doekemeijer, Animesh Trivedi (2024 May)
  In Proceedings of the 4th Workshop on Challenges and Opportunities of Efficient and Performant Storage Systems (CHEOPS'24)
  
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• ZWAL: Rethinking Write-ahead Logs for ZNS SSDs with Zone Appends
  Krijn Doekemeijer, Zebin Ren, Nick Tehrany, Animesh Trivedi (2024 May)
  In Proceedings of the 4th Workshop on Challenges and Opportunities of Efficient and Performant Storage Systems (CHEOPS'24)
  
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• BFQ, Multiqueue-Deadline, or Kyber? Performance Characterization of Linux Storage Schedulers in the NVMe Era
  Zebin Ren, Krijn Doekemeijer, Nick Tehrany, Animesh Trivedi (2024 May)
  In Proceedings of 15th ACM/SPEC International Conference on Performance Engineering (ICPE'24)
  🏆 "Best research paper award"
  
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• A Systematic Configuration Space Exploration of the Linux Kyber I/O Scheduler
  Zebin Ren, Krijn Doekemeijer, Animesh Trivedi (2024 May)
  Companion of the 15th ACM/SPEC International Conference on Performance Engineering (ICPE’24 Companion)
  
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• Reviving Storage Systems Education in the 21st Century — An experience report
  Animesh Trivedi, Matthijs Jansen, Krijn Doekemeijer, Sacheendra Talluri, Nick Tehrany (2024 May)
  In 2024 IEEE/ACM 24rd International Symposium on Cluster, Cloud and Internet Computing (CCGrid'24)
  🥉 "Nominated for best paper award"
  
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• Performance Characterization of NVMe Flash Devices with Zoned Namespaces (ZNS)
  Krijn Doekemeijer, Nick Tehrany, Balakrishnan Chandrasekaran, Matias Bjørling, Animesh Trivedi (2023 October)
  2023 IEEE International Conference on Cluster Computing (CLUSTER)
  
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Preprints

• A Survey on the Integration of NAND Flash Storage in the Design of File Systems and the Host Storage Software Stack
  Nick Tehrany, Krijn Doekemeijer, Animesh Trivedi (2023 July)
  arXiv preprint arXiv:2307.11860
  
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• Understanding (Un)Written Contracts of NVMe ZNS Devices with zns-tools
  Nick Tehrany, Krijn Doekemeijer, Animesh Trivedi (2023 July)
  arXiv preprint arXiv:2307.11860
  
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• Key-Value Stores on Flash Storage Devices: A Survey
  Krijn Doekemeijer, Animesh Trivedi (2022 May)
  arXiv preprint arXiv:2205.07975
  
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Other

• TropoDB: Design, Implementation and Evaluation of an Optimised KV-Store for NVMe Zoned Namespace Devices
  Krijn Doekemeijer (2022 August)
  MSc thesis
  
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Talks

International Venues

• Talk — Exploring I/O Management Performance in ZNS with ConfZNS++ (video)
  Krijn Doekemeijer, Dennis Maisenbacher, Zebin Ren, Nick Tehrany, Matias Bjørling, Animesh Trivedi (2024 September)
  In Proceedings of the 17th ACM International Conference on Systems and Storage (SYSTOR'24), Virtual, Israel
  
• Talk — ZWAL: Rethinking Write-ahead Logs for ZNS SSDs with Zone Appends
  Krijn Doekemeijer, Zebin Ren, Nick Tehrany, Animesh Trivedi (2024 April)
  4th Workshop on Challenges and Opportunities of Efficient and Performant Storage Systems (CHEOPS'24) at EuroSys 2024, Athens, Greece
  
• Talk — Performance Characterization of NVMe Flash Devices with Zoned Namespaces (ZNS)
  Krijn Doekemeijer Nick Tehrany, Balakrishnan Chandrasekaran, Matias Bjørling, Animesh Trivedi (2023 November)
  2023 IEEE International Conference on Cluster Computing (CLUSTER), Santa Fe, NM, USA
  

Dutch Venues

• Talk — ZWAL: Rethinking Write-ahead Logs for ZNS SSDs with Zone Appends
  Krijn Doekemeijer, Zebin Ren, Nick Tehrany, Animesh Trivedi (2024 May)
  CompSys'24, Sint michielsgestel, The Netherlands
  
• Poster — Performance Characterization of NVMe Devices with Zoned Namespaces (ZNS)
  Krijn Doekemeijer, Nick Tehrany, Balakrishnan Chandrasekaran, Animesh Trivedi (2024 April)
  ICT.OPEN'24, Utrecht, The Netherlands
  
• Talk — TropoDB: Design, Implementation and Evaluation of a KV-Store for Zoned Namespace SSDs
  Krijn Doekemeijer, Animesh Trivedi (2023 June)
  CompSys'23, Soesterberg, The Netherlands
  
• Poster — TropoDB: Design, Implementation and Evaluation of a KV-Store for Zoned Namespace Devices
  Krijn Doekemeijer, Animesh Trivedi (2023 April)
  ICT.OPEN'23, Utrecht, The Netherlands