[2603.09927] How to Write to SSDs
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Computer Science > Databases
arXiv:2603.09927 (cs)
[Submitted on 10 Mar 2026 (v1), last revised 18 Mar 2026 (this version, v3)]
Title:How to Write to SSDs
Authors:Bohyun Lee, Tobias Ziegler, Viktor Leis<br>View a PDF of the paper titled How to Write to SSDs, by Bohyun Lee and 2 other authors
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Abstract:This paper demonstrates that adopting out-of-place writes is essential for database systems to fully leverage SSD performance and extend SSD lifespan. We propose a set of out-of-place optimizations that collectively reduce write amplification across both the DBMS and SSD layers. We redesign the in-place, B-tree-based LeanStore to write out-of-place and support these optimizations, and evaluate it on diverse OLTP benchmarks, dataset sizes, and SSDs. The final design improves throughput by 1.65-2.24x and reduces flash writes per operation by 6.2-9.8x on YCSB-A. On TPC-C with 15,000 warehouses, throughput improves by 2.45x while flash writes decrease by 7.2x. Finally, we show that the architecture can seamlessly support novel SSD interfaces such as ZNS and FDP.
Comments:<br>Accepted to PVLDB 2026. This arXiv version contains an additional section
Subjects:
Databases (cs.DB)
Cite as:<br>arXiv:2603.09927 [cs.DB]
(or<br>arXiv:2603.09927v3 [cs.DB] for this version)
https://doi.org/10.48550/arXiv.2603.09927
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arXiv-issued DOI via DataCite
Submission history<br>From: Bohyun Lee [view email]<br>[v1]<br>Tue, 10 Mar 2026 17:21:58 UTC (1,759 KB)
[v2]<br>Thu, 12 Mar 2026 17:03:50 UTC (1,960 KB)
[v3]<br>Wed, 18 Mar 2026 14:47:04 UTC (1,960 KB)
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