Garbage collection and data recovery for N2DB Article Swipe
Shiyu Cai
,
Kang Chen
,
Mengxing Liu
,
Xuyang Liu
,
Yongwei Wu
,
Weimin Zheng
·
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.26599/tst.2021.9010016
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.26599/tst.2021.9010016
Non-Volatile Memory (NVM) offers byte-addressability and persistency Because NVM can be plugged into memory and provide low latency, it offers a new opportunity to build new database systems with a single-layer storage design. A single-layer NVM-Native DataBase (N2DB) provides zero copy and log freedom. Hence, all data are stored in NVM and there is no extra data duplication and logging during execution. N2DB avoids complex data synchronization and logging overhead in the two-layer storage design of disk-oriented databases and in-memory databases. Garbage Collection (GC) is critical in such an NVM-based database because memory leaks on NVM are durable. Moreover, data recovery is equally essential to guarantee atomicity, consistency, isolation, and durability properties. Without logging, it is a great challenge for N2DB to restore data to a consistent state after crashes and recoveries. This paper presents the GC and data recovery mechanisms for N2DB. Evaluations show that the overall performance of N2DB is up to 3.6× higher than that of InnoDB. Enabling GC reduces performance by up to 10%, but saves storage space by up to 67%. Moreover, our data recovery requires only 0.2% of the time and half of the storage space of InnoDB.
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Concepts
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.26599/tst.2021.9010016
- https://ieeexplore.ieee.org/ielx7/5971803/9614063/09614080.pdf
- OA Status
- diamond
- Cited By
- 4
- References
- 14
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W3214518579
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W3214518579Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.26599/tst.2021.9010016Digital Object Identifier
- Title
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Garbage collection and data recovery for N2DBWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2021Year of publication
- Publication date
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2021-11-13Full publication date if available
- Authors
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Shiyu Cai, Kang Chen, Mengxing Liu, Xuyang Liu, Yongwei Wu, Weimin ZhengList of authors in order
- Landing page
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https://doi.org/10.26599/tst.2021.9010016Publisher landing page
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https://ieeexplore.ieee.org/ielx7/5971803/9614063/09614080.pdfDirect link to full text PDF
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YesWhether a free full text is available
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diamondOpen access status per OpenAlex
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https://ieeexplore.ieee.org/ielx7/5971803/9614063/09614080.pdfDirect OA link when available
- Concepts
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Garbage collection, Computer science, Atomicity, Data deduplication, Non-volatile memory, Database, Embedded system, Operating system, Byte, Transaction log, Flash file system, Garbage, Computer hardware, Computer memory, Database transaction, Semiconductor memory, Programming languageTop concepts (fields/topics) attached by OpenAlex
- Cited by
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4Total citation count in OpenAlex
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2025: 2, 2024: 1, 2022: 1Per-year citation counts (last 5 years)
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14Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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| primary_location.license_id | |
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| publication_date | 2021-11-13 |
| publication_year | 2021 |
| referenced_works | https://openalex.org/W2752994206, https://openalex.org/W2020129682, https://openalex.org/W2604961016, https://openalex.org/W1985229168, https://openalex.org/W1506905771, https://openalex.org/W4311017670, https://openalex.org/W4230081539, https://openalex.org/W2441046553, https://openalex.org/W2982402713, https://openalex.org/W2612481446, https://openalex.org/W2791526170, https://openalex.org/W2798337732, https://openalex.org/W2398564056, https://openalex.org/W4247726910 |
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