Why Files If You Have a DBMS?

Nguyen, Lam-Duy; Leis, Viktor

doi:10.1109/icde60146.2024.00297

2024 IEEE 40th International Conference on Data Engineering (ICDE) 2024

DOI: 10.1109/icde60146.2024.00297

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Why Files If You Have a DBMS?

Lam-Duy Nguyen,

Viktor Leis

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2024

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Cited by 2 publications

References 38 publications

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Cloud-Native Database Systems and Unikernels: Reimagining OS Abstractions for Modern Hardware

Leis,

Dietrich

2024

Proc. VLDB Endow.

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This paper explores the intersection of operating systems and database systems, focusing on the potential of specialized kernels for cloud-native database systems. Although the idea of custom, DBMS-optimized OS kernels is old, it is largely unrealized due to the demands of hardware compatibility and the reluctance of users to install specialized operating systems. However, the cloud and the database-as-a-service model make custom OS kernels realistic for the first time. Among specialized OS kernel architectures, unikernels stand out for relying on a single address space, eliminating the need for costly process isolation that is provided by general-purpose operating systems. They offer benefits such as the elimination of system call overhead, direct access to hardware, and reduced complexity. Beyond these immediate advantages, unikernels offer a unique opportunity: the possibility to revisit dated POSIX APIs. By allowing direct interaction with modern hardware primitives, unikernels pave the way for the development of novel abstractions that are not confined to the limitations of older APIs, opening doors to a new era of co-designed, high-performance cloud-native data processing systems and OS kernels.

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Cloud-Native Database Systems and Unikernels: Reimagining OS Abstractions for Modern Hardware

Leis,

Dietrich

2024

Proc. VLDB Endow.

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LeanStore: A High-Performance Storage Engine for NVMe SSDs

Leis

2024

Proc. VLDB Endow.

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Neither traditional disk-based database systems nor modern inmemory database systems are capable of fully exploiting modern servers with multiple NVMe SSDs. LeanStore is a high-performance OLTP storage engine specifically optimized for NVMe SSDs and multi-core CPUs. The paper gives an overview of the architecture of LeanStore and describes all major components, covering caching, page replacement, I/O management, indexing, data structure synchronization, multi-version concurrency control, logging, checkpoints, and recovery. We also discuss some of the low-level implementation techniques necessary for achieving high performance on modern hardware.

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Why Files If You Have a DBMS?

Cited by 2 publications

References 38 publications

Cloud-Native Database Systems and Unikernels: Reimagining OS Abstractions for Modern Hardware

Cloud-Native Database Systems and Unikernels: Reimagining OS Abstractions for Modern Hardware

LeanStore: A High-Performance Storage Engine for NVMe SSDs

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