System and method for scaleable multiplexed transactional...

Details System and method for scaleable multiplexed transactional... System and method for scaleable multiplexed transactional...

2006-02-21

2006-02-21

Coby, Frantz (Department: 2161)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C707S793000

Reexamination Certificate

active

07003532

ABSTRACT:
A system and method for providing scaleable recovery for a multiplexed transactional log. Unlike a dedicated log that includes log data of only one client, a multiplexed transactional log may include log data from multiple clients. In a multiplexed transactional log, log data from different clients may be multiplexed into the multiplexed transactional log in any order. The multiplexed log is maintained for multiple clients using a scaleable logging process. After a system failure, the multiplexed log is recovered using a scaleable recovery process. The scaleable recovery process includes an end-of-log locating process for locating the end of the multiplexed log and each of the virtual logs with the multiplexed log. The end-of-log locating process is also scaleable.

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ARIES: A Transaction Recovery Method Supporting Fine-Granularity Locking and Partial Rollbacks Using Write-Ahead Logging; C. Mohan, IBM Almaden Research Center, Don Haderle, IBM Santa Teresa Laboratory and Bruce Lindsay, Hamid Pirahesh and Peter Schwarz, IBM Almaden Research Center; ACM Transactions on Database Systems, vol. 17, No. 1, Mar. 1992.

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