Lecture 14. Replication
Readings:
- Jim Gray, Pat Helland, Patrick O'Neil, and Dennis Shasha. The Dangers of Replication and a Solution. ACM SIGMOD Record (25)2, 1996. Also in Red Book (3rd ed and 4th ed). [pdf]
As you read this paper, consider the following questions:
- What are the differences between lazy and eager replication?
- What are the differences between group and master replication?
- What are the benefits and challenges of these different replication schemes?
- What is the goal of two-tier replication?
- You can ignore all the equations presented in this paper. Just focus on the description of the different replication techniques.
Lecture notes: