Reliability mechanisms for ADAMS

Sang H. Son; John L. Pfaltz

doi:10.1145/63047.63095

Reliability mechanisms for ADAMS

Sang H. Son, John L. Pfaltz

Department of Electrical Engineering and Computer Science

University of Virginia

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

1 Scopus citations

Abstract

The goal of checkpointing in database management systems is to save database states on a separate secure device so that the database can be recovered when errors and failures occur. This paper presents a non-interfering checkpointing mechanism being developed for ADAMS. Instead of waiting for a consistent state to occur, our checkpointing approach constructs a state that would result by completing the transactions that are in progress when the global checkpoint begins. The checkpointing algorithm is executed concurrently with transaclion activity while constructing a transaction-consistent checkpoint on disk, without requiring the database quiesce. This property of noninterference is highly de.sirable to real-time applications, where restricting transaction activity during the checkpointing operation is in many cases not feasible. Two main properties of this checkpointing algorithm are global consistency and reduced interference, both of which are crucial for achieving high availability.

Original language	English
Title of host publication	Proceedings of the 3rd Conference on Hypercube Concurrent Computers and Applications, C3P 1988
Editors	Geoffrey Fox
Publisher	Association for Computing Machinery, Inc
Pages	1390-1397
Number of pages	8
ISBN (Electronic)	0897912780, 9780897912785
DOIs	https://doi.org/10.1145/63047.63095
State	Published - 3 Jan 1989
Event	3rd Conference on Hypercube Concurrent Computers and Applications, C3P 1988 - Pasadena, United States Duration: 19 Jan 1988 → 20 Jan 1988

Publication series

Name	Proceedings of the 3rd Conference on Hypercube Concurrent Computers and Applications: Architecture, Software, Computer Systems, and General Issues, C3P 1988
Volume	2

Conference

Conference	3rd Conference on Hypercube Concurrent Computers and Applications, C3P 1988
Country/Territory	United States
City	Pasadena
Period	19/01/88 → 20/01/88

Bibliographical note

Publisher Copyright:
© ACM 1988.

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10.1145/63047.63095

Cite this

Son, S. H., & Pfaltz, J. L. (1989). Reliability mechanisms for ADAMS. In G. Fox (Ed.), Proceedings of the 3rd Conference on Hypercube Concurrent Computers and Applications, C3P 1988 (pp. 1390-1397). (Proceedings of the 3rd Conference on Hypercube Concurrent Computers and Applications: Architecture, Software, Computer Systems, and General Issues, C3P 1988; Vol. 2). Association for Computing Machinery, Inc. https://doi.org/10.1145/63047.63095

Son, Sang H. ; Pfaltz, John L. / Reliability mechanisms for ADAMS. Proceedings of the 3rd Conference on Hypercube Concurrent Computers and Applications, C3P 1988. editor / Geoffrey Fox. Association for Computing Machinery, Inc, 1989. pp. 1390-1397 (Proceedings of the 3rd Conference on Hypercube Concurrent Computers and Applications: Architecture, Software, Computer Systems, and General Issues, C3P 1988).

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Son, SH & Pfaltz, JL 1989, Reliability mechanisms for ADAMS. in G Fox (ed.), Proceedings of the 3rd Conference on Hypercube Concurrent Computers and Applications, C3P 1988. Proceedings of the 3rd Conference on Hypercube Concurrent Computers and Applications: Architecture, Software, Computer Systems, and General Issues, C3P 1988, vol. 2, Association for Computing Machinery, Inc, pp. 1390-1397, 3rd Conference on Hypercube Concurrent Computers and Applications, C3P 1988, Pasadena, United States, 19/01/88. https://doi.org/10.1145/63047.63095

Reliability mechanisms for ADAMS. / Son, Sang H.; Pfaltz, John L.
Proceedings of the 3rd Conference on Hypercube Concurrent Computers and Applications, C3P 1988. ed. / Geoffrey Fox. Association for Computing Machinery, Inc, 1989. p. 1390-1397 (Proceedings of the 3rd Conference on Hypercube Concurrent Computers and Applications: Architecture, Software, Computer Systems, and General Issues, C3P 1988; Vol. 2).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AB - The goal of checkpointing in database management systems is to save database states on a separate secure device so that the database can be recovered when errors and failures occur. This paper presents a non-interfering checkpointing mechanism being developed for ADAMS. Instead of waiting for a consistent state to occur, our checkpointing approach constructs a state that would result by completing the transactions that are in progress when the global checkpoint begins. The checkpointing algorithm is executed concurrently with transaclion activity while constructing a transaction-consistent checkpoint on disk, without requiring the database quiesce. This property of noninterference is highly de.sirable to real-time applications, where restricting transaction activity during the checkpointing operation is in many cases not feasible. Two main properties of this checkpointing algorithm are global consistency and reduced interference, both of which are crucial for achieving high availability.

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Son SH, Pfaltz JL. Reliability mechanisms for ADAMS. In Fox G, editor, Proceedings of the 3rd Conference on Hypercube Concurrent Computers and Applications, C3P 1988. Association for Computing Machinery, Inc. 1989. p. 1390-1397. (Proceedings of the 3rd Conference on Hypercube Concurrent Computers and Applications: Architecture, Software, Computer Systems, and General Issues, C3P 1988). doi: 10.1145/63047.63095

Reliability mechanisms for ADAMS

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