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Implementing Atomicity and Durability

Implementing Atomicity and Durability

Implementing Atomicity and Durability. Chapter 25. System Malfunctions. Transaction processing systems have to maintain correctness in spite of malfunctions Crash Abort Media Failure. Failures: Crash. Processor failure, software bug

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766 views • 58 slides
Chapter 22

Chapter 22

Chapter 22. Implementing Atomicity and Durability. System Malfunctions. Transaction processing systems have to maintain correctness in spite of malfunctions Crash Abort Media Failure. Failures: Crash. Processor failure, software bug

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718 views • 58 slides
CHAPTER 22 Database Recovery Techniques

CHAPTER 22 Database Recovery Techniques

CHAPTER 22 Database Recovery Techniques. Introduction. Recovery algorithms Recovery concepts Write-ahead logging In-place versus shadow updates Rollback Deferred update Immediate update Certain recovery techniques best used with specific concurrency control methods.

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763 views • 34 slides
Crash Recovery

Crash Recovery

Crash Recovery. courtesy of Joe Hellerstein for some slides. Jianlin Feng School of Software SUN YAT-SEN UNIVERSITY. Review: The ACID properties. A tomicity: All actions in the Xact (transaction) happen, or none happen.

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402 views • 29 slides
Database recovery

Database recovery

Database recovery. Database Recovery. Mechanism for restoring a database quickly and accurately after loss or damage RESPONSIBILITY OF ????? Recovery facilities: Backup Facilities Journalizing Facilities Checkpoint Facility Recovery Manager. Back-up Facilities.

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854 views • 26 slides

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