Krijn Doekemeijer

Ph.D. student, Vrije Universiteit Amsterdam

Research Focus
Storage/Networked Systems

Contact

Links

Publications

• Steven van der Vlugt,
• Leon Oostrum,
• Gijs Schoonderbeek,
• Ben van Werkhoven,
• Bram Veenboer,
• Krijn Doekemeijer,
• John W. Romein
• (2025)

PowerSensor3: A Fast and Accurate Open Source Power Measurement Tool

2025 IEEE International Symposium on Performance Analysis of Systems and Software (ISPASS)

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• Zebin Ren,
• Krijn Doekemeijer,
• Tiziano De Matteis,
• Christian Pinto,
• Radu Stoica,
• Animesh Trivedi
• (2025)

An I/O Characterizing Study of Offloading LLM Models and KV Caches to NVMe SSD

5th Workshop on Challenges and Opportunities of Efficient and Performant Storage Systems (CHEOPS'25) @ EuroSys 2025

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• Matthijs Jansen,
• Sacheendra Talluri,
• Krijn Doekemeijer,
• Nick Tehrany,
• Alexandru Iosup,
• Animesh Trivedi
• (2025)

Columbo: A Reasoning Framework for Kubernetes’ Configuration Space

16th ACM/SPEC International Conference on Performance Engineering (ICPE 2025)

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• Krijn Doekemeijer,
• Dennis Maisenbacher,
• Zebin Ren,
• Nick Tehrany,
• Matias Bjørling,
• Animesh Trivedi
• (2024)

Exploring I/O Management Performance in ZNS with ConfZNS++

Proceedings of the 17th ACM International Systems and Storage Conference (SYSTOR'24)

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• Zebin Ren,
• Krijn Doekemeijer,
• Animesh Trivedi
• (2024)

A Systematic Configuration Space Exploration of the Linux Kyber I/O Scheduler

Workshop on Hot Topics in Cloud Computing Performance (HotCloudPerf'24@ICPE'24)

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PDF Talk

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• Krijn Doekemeijer,
• Zebin Ren,
• Nick Tehrany,
• Animesh Trivedi
• (2024)

ZWAL: Rethinking Write-ahead Logs for ZNS SSDs with Zone Appends

ACM SIGOPS Operating Systems Review

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• Krijn Doekemeijer,
• Zebin Ren,
• Nick Tehrany,
• Animesh Trivedi
• (2024)

ZWAL: Rethinking Write-ahead Logs for ZNS SSDs with Zone Appends

4th Workshop on Challenges and Opportunities of Efficient and Performant Storage Systems (CHEOPS'24) @ EuroSys 2024

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PDF Talk

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• Nick Tehrany,
• Krijn Doekemeijer,
• Animesh Trivedi
• (2024)

zns-tools: An eBPF-powered, Cross-Layer Storage Profiling Tool for NVMe ZNS SSDs

4th Workshop on Challenges and Opportunities of Efficient and Performant Storage Systems (CHEOPS'24) @ EuroSys 2024

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• Zebin Ren,
• Krijn Doekemeijer,
• Nick Tehrany,
• Animesh Trivedi
• (2024)

BFQ, Multiqueue-Deadline, or Kyber? Performance Characterization of Linux Storage Schedulers in the NVMe Era

ACM/SPEC International Conference on Performance Engineering (ICPE 24)

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PDF Talk

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• Animesh Trivedi,
• Matthijs Jansen,
• Krijn Doekemeijer,
• Sacheendra Talluri,
• Nick Tehrany
• (2024)

Reviving Storage Systems Education in the 21st Century — An experience report

IEEE/ACM International Symposium on Cluster, Cloud and Internet Computing 2024

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• Krijn Doekemeijer,
• Nick Tehrany,
• Balakrishnan Chandrasekaran,
• Matias Bjørling,
• Animesh Trivedi
• (2023)

Performance Characterization of NVMe Flash Devices with Zoned Namespaces (ZNS)

2023 IEEE International Conference on Cluster Computing (CLUSTER)

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PDF Talk

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Master Thesis

• Krijn Doekemeijer,
• Animesh Trivedi
• (2022)

TropoDB: Design, Implementation and Evaluation of an Optimised KV-Store for NVMe Zoned Namespace Devices

PDF

PDF Artifact

Literature Survey

• Krijn Doekemeijer,
• Animesh Trivedi
• (2022)

Key-Value Stores on Flash Storage Devices: A Survey

PDF

Supervised Master Theses

• Sudarsan Sivakumar,
• Krijn Doekemeijer,
• Animesh Trivedi,
• Tiziano De Matteis,
• Balakrishnan Chandrasekaran
• (2024)

Performance Characterization Study of NVMe Storage Over TCP

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PDF Artifact

Supervised Bachelor Theses

• Darko Vujica,
• Krijn Doekemeijer,
• Zebin Ren,
• Animesh Trivedi,
• Tiziano De Matteis,
• Alexandru Iosup
• (2024)

Exploring Redis Persistence Modes: Introducing AOFUring, an io_uring AOF extension

PDF

PDF Artifact

• Vincent Kohm,
• Krijn Doekemeijer,
• Animesh Trivedi,
• Tiziano De Matteis
• (2024)

Optimizing Metadata Handling with vkFS: A Hybrid Key-Value Store File System leveraging RocksDB

PDF

PDF Artifact

Supervised Literature Surveys

• Sudarsan Sivakumar,
• Krijn Doekemeijer,
• Animesh Trivedi
• (2024)

A survey on flash storage disaggregation: performance and quality of service considerations

PDF

Talks

• Krijn Doekemeijer
• (2024)

Exploring I/O Management Performance in ZNS with ConfZNS++

SYSTOR'24, Virtual, Israel, September 3, 2024

Talk

• Krijn Doekemeijer
• (2024)

ZWAL: Rethinking Write-ahead Logs for ZNS SSDs with Zone Appends

CHEOPS'24, Athens, Greece, April 22

Talk

• Krijn Doekemeijer
• (2024)

Performance Characterization of NVMe Flash Devices with Zoned Namespaces (ZNS)

IEEE CLUSTER'23, Santa Fe, USA, Okt 31 - Nov 1

Talk

• Krijn Doekemeijer
• (2023)

TropoDB: Design, Implementation and Evaluation of a KV-Store for Zoned Namespace SSDs

CompSys'23, Netherlands, June 27-29

Talk

Teaching

Teaching Assistant

Storage Systems, MSc, VU (2020-ongoing)