Скачать или смотреть 11. Leaderless Replication & Consistency & Quorum Storage

===== Leaderless Replication & Consistency =====

Takeaways:
Consistency
Leaderless/quorum replication
Partial quorum


Audience:
basic understanding of computers and programming

basic understanding of sync/async systems
basic understanding of replication:    • 10. Replication: Distributed Storage, Repl...  



Source:
Ch. 5 in Designing Data-Intensive Applications by Martin Kleppmann, 2018
https://www.amazon.com/Designing-Data...
Probabilistically Bounded Staleness for Practical Partial Quorums by Peter Bailis
http://www.bailis.org/papers/pbs-vldb...


Errata:
Slide 22 should be Liveness: w less than or equal to N-f and r less than or equal to N-f
forgot to add the exercise before the final slide...


What does it take to satisfy
Read-your-write
Monotonic read
Consistent prefix
properties?