Publications
Refereed publications
Storage-Based Approximate Nearest Neighbor Search: What are the Performance Cost and I/O Characteristics? Krijn Doekemeijer ,
Padma Apparao,
Animesh Trivedi
(2025 October) 2025 IEEE International Symposium on Workload Characterization (IISWC)
Does Linux Provide Performance Isolation for NVMe SSDs? Configuring cgroups for I/O Control in the NVMe Era Krijn Doekemeijer ,
Zebin Ren,
Tiziano de Matteis,
Balakrishnan Chandrasekaran,
Animesh Trivedi
(2025 October) 2025 IEEE International Symposium on Workload Characterization (IISWC) 🥉 "Nominated for best paper award"
PowerSensor3: A fast and accurate open source power measurement tool Krijn Doekemeijer ,
John Romein
(2025 May) 2025 IEEE International Symposium on Performance Analysis of Systems and Software (ISPASS)
Columbo: A Reasoning Framework for Kubernetes’ Configuration Space Krijn Doekemeijer ,
Nick Tehrany,
Alexandru Iosup,
Animesh Trivedi
(2025 May) In Proceedings of 16th ACM/SPEC International Conference on Performance Engineering (ICPE'25)
An I/O Characterizing Study of Offloading LLM Models and KV Caches to NVMe SSD Krijn Doekemeijer ,
Tiziano De Matteis,
Christian Pinto,
Radu Stoica,
Animesh Trivedi
(2025 March) In Proceedings of the 5th Workshop on Challenges and Opportunities of Efficient and Performant Storage Systems (CHEOPS'25)
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)
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)
zns-tools: An eBPF-powered, Cross-Layer Storage Profiling Tool for NVMe ZNS SSDs Krijn Doekemeijer ,
Animesh Trivedi
(2024 May) In Proceedings of the 4th Workshop on Challenges and Opportunities of Efficient and Performant Storage Systems (CHEOPS'24)
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)
BFQ, Multiqueue-Deadline, or Kyber? Performance Characterization of Linux Storage Schedulers in the NVMe Era 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"
A Systematic Configuration Space Exploration of the Linux Kyber I/O Scheduler Krijn Doekemeijer ,
Animesh Trivedi
(2024 May) Companion of the 15th ACM/SPEC International Conference on Performance Engineering (ICPE’24 Companion)
Reviving Storage Systems Education in the 21st Century — An experience report 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"
Preprints (not peer-reviewed)
Other
Talks
International Venues
Talk — Does Linux Provide Performanc Isolation for NVMe SSDs? Configuring cgroups for I/O Control in the NVMe Era Krijn Doekemeijer , Zebin Ren, Tiziano De Matteis, Balakrishnan Chandrasekaran, Animesh Trivedi (2025 October)In 2025 IEEE International Symposium on Workload Characterization (IISWC), Irvine, CA, USA
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
Poster — Exploring I/O Management Performance in ZNS with ConfZNS++ ICT.OPEN'25, Utrecht, The Netherlands
Talk — ZWAL: Rethinking Write-ahead Logs for ZNS SSDs with Zone Appends CompSys'24, Sint michielsgestel, The Netherlands
Poster — Performance Characterization of NVMe Devices with Zoned Namespaces (ZNS) ICT.OPEN'24, Utrecht, The Netherlands
Talk — TropoDB: Design, Implementation and Evaluation of a KV-Store for Zoned Namespace SSDs CompSys'23, Soesterberg, The Netherlands
Poster — TropoDB: Design, Implementation and Evaluation of a KV-Store for Zoned Namespace Devices ICT.OPEN'23, Utrecht, The Netherlands