PPT-Causal Consistency COS 418:

Distributed Systems Lecture 16 Michael Freedman 2 Linearizability Eventual Consistency models Sequential Causal Lamport clocks Ca lt Cz Conclusion None Vector clocks Va lt Vz Conclusion . cmuedu Abstract A fundamental question in causal inference is whether it is possible to reliably infer the manipulation e64256ects from observational data There are a variety of senses of asymptotic reliability in the statistical literature among whi Consistency --- 3. Steve Ko. Computer Sciences and Engineering. University at Buffalo. Recap. Consistency. Linearizability. Sequential consistency. Chain replication. Primary-backup (passive) replication. Consistency --- 3. Steve Ko. Computer Sciences and Engineering. University at Buffalo. Recap. Consistency. Linearizability. ?. Sequential consistency?. Chain replication. Primary-backup (passive) replication. from . Mass Cytometry Data. Presenters: . Ioannis Tsamardinos. and Sofia Triantafillou. Institute of Computer Science, Foundation for Research and Technology, Hellas. Computer Science Department, University of Crete. theory . Sri Hermawati. The focus of this chapter is on the role of causal processes in decision making.. Newcombs . problem/. the predictors paradox. You are offered a choice between two boxes, B1 and B2. Box . COS 518: . Advanced Computer Systems. Lecture . 3. Michael Freedman. Let’s say A and B send an op. . All readers see A . →. B ?. All . readers see . B. . → A ? . Some see . A . → B . and others . Tony Cox. May 5, 2016. 1. Download free CAT software from: . http://cox-associates.com/CAT.htm. . Outline. Why CAT? Challenges for causal analytics. Ambiguous C-R associations: theory & practice. Distributed Systems. Lecture 14. Michael Freedman. 2. Linearizability. Eventual. Consistency models. Sequential. Causal. Lamport. clocks: C(a) < C(z) Conclusion: . None. Vector clocks: V(a) < V(z) Conclusion: . Presented by: Arvind Kouta. 1. Consistency Models. Strict Consistency: operations are executed in order of wall-clock time (NTP). Sequential Consistency: operations are executed in some global ordering (Total Ordering). Systems. Consistency. Sisi. . Duan. Assistant. . Professor. Information. . Systems. sduan@umbc.edu. Announcement. HW3 is due next week (. before the beginning of the class. . No late submissions). Consistency Using . Dependency Matrices . & . Physical Clocks. Jiaqing Du, EPFL. Sameh Elnikety. , Microsoft . Research. Amitabha Roy, EPFL. Willy Zwaenepoel, EPFL. Key-Value Data Store API. Read operation. Causal arguments are inductive arguments in which the conclusion is a claim that one thing causes another.. For example:. Clogged arteries cause heart attacks. A rough surface produces friction. Exercise during heat causes sweating. COS 418: Distributed Systems. Lecture . 14. Wyatt Lloyd. Consistency Hierarchy. Linearizability. Sequential Consistency. Causal+ Consistency. Eventual Consistency. e.g., RAFT. e.g., Bayou. e.g., Dynamo. Not Causal . ! . Scalable Causal Consistency . with No Slowdown Cascades. Syed Akbar Mehdi. 1. , Cody Littley. 1. , Natacha Crooks. 1. , . Lorenzo Alvisi. 1,4. , . Nathan Bronson. 2. , Wyatt . Lloyd.