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Ensuring Data Integrity with Free Transactions: A Virtual Memory Approach

Explore the concept of Lightweight Recoverable Virtual Memory and Free Transactions with Rio Vista, emphasizing the ACID properties for transactions (Atomicity, Consistency, Isolation, Durability). Dive into incremental truncation and its application with Rio Vista operations.

jonah-morris
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Ensuring Data Integrity with Free Transactions: A Virtual Memory Approach

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Presentation Transcript

  1. Reliability (part 1) CPS210 Spring 2006

  2. Papers • Lightweight Recoverable Virtual Memory • M. Satyanarayanan • Free Transactions with Rio Vista • David Lowell

  3. ACID properties for transactions • Transaction is a sequence of operations • Atomicity • All operations succeed or all fail • Consistency • Data in legal state before and after transaction • Isolation • State changes are not visible until transaction commits • Durability • If transaction succeeds, it will persist

  4. RVM operations

  5. Incremental truncation

  6. Using Rio

  7. Vista operations

  8. Questions • Is this a good idea? • When, when not? • Would you trust your web server with it? • Why don’t we have this for laptops?

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