Consistency and Replication in Data Management
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Questions and Answers

What is the main issue when dealing with consistency in replication?

  • Minimizing the number of copies for better performance
  • Avoiding write/write conflicts at all costs
  • Handling read/write conflicts effectively
  • Ensuring all conflicting operations are carried out in the same order everywhere (correct)

    • Which type of conflict is particularly challenging in replicated databases?

  • Data center conflicts
  • Write/write conflicts (correct)
  • Read/write conflicts
  • Client-centric conflicts

    • What is the current focus of researchers due to the increase in core processors?

  • Increasing the number of copies for better performance
  • Improving conflict resolution for write/write conflicts (correct)
  • Enhancing data center consistency
  • Minimizing the impact of read/write conflicts

    • Why are write/write conflicts considered 'nasty'?

    <p>They often lead to conflict resolution, which is application dependent</p> Signup and view all the answers

    What is the goal when playing with consistency in replication?

    <p>Maintaining reasonable performance despite having multiple copies</p> Signup and view all the answers

    What is the main challenge when dealing with replication?

    <p>Ensuring consistency across all copies</p> Signup and view all the answers

    Which type of conflicts are particularly problematic in the context of replication?

    <p>Write/write conflicts</p> Signup and view all the answers

    What is the goal when handling conflicting operations in replication?

    <p>Carrying out conflicting operations in the same order everywhere</p> Signup and view all the answers

    Why are write/write conflicts considered particularly challenging?

    <p>They often require application-dependent conflict resolution</p> Signup and view all the answers

    What has prompted increased attention to handling write/write conflicts?

    <p>Advancements in multi-core processors</p> Signup and view all the answers

    What is the main challenge when dealing with write/write conflicts in replication?

    <p>Handling conflict resolution, which is often application-dependent</p> Signup and view all the answers

    Why are write/write conflicts considered 'nasty' in the context of replication?

    <p>They always lead to conflict resolution, which is often application-dependent</p> Signup and view all the answers

    What is the main issue when dealing with consistency in replication?

    <p>Handling write/write conflicts effectively</p> Signup and view all the answers

    What is the goal when playing with consistency in replication?

    <p>To make sure that even with multiple copies, very reasonable performance can be maintained</p> Signup and view all the answers

    What has prompted increased attention to handling write/write conflicts?

    <p>The advancement of core processors, prompting the need for increased parallelism</p> Signup and view all the answers

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