PPT-CS5412 / Lecture 7 Replication and Consistency (Part I: Theory and Protocols)

Ken Birman Spring 2022 httpwwwcscornelleducoursescs54122022sp 1 Can we build consistent highly available services When building services everything needs to be sharded for scaling . Chapter 7. Part II . Replica Management. &. Consistency Protocols. Replica Management. Replica-Server Placement. Replica Placement:. Where. is a replica placed?. When. is a replica created?. Who. Mark . Ruane. Director Settlements, Retail and Credit. CWG / MCWG. May 20, 2015. ERCOT . Public. Credit Protocols Clarifications and Corrections. ERCOT. Public. ERCOT staff have reviewed credit Protocols and identified a number of items for correction/clarification. . IV - REPLICATION MANAGEMENT. . By Jyothsna Natarajan. Instructor: Prof. Yanqing Zhang. Course: Advanced Operating Systems (CSC 8320) . What is Replication?. Replication is the process of having multiple copies of identical data and computations in distributed systems. . Chapter 7. Most of the lecture notes are based on slides by Prof. Jalal Y. Kawash at Univ. of Calgary. Some notes are based on slides by Prof. Kenneth Chiu at SUNY Binghamton. I have modified them and added new slides. 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 . 1. CS5412 Spring 2012 (Cloud Computing: Birman). Lecture II. Today: Let’s look at some real apps. CS5412 Spring 2012 (Cloud Computing: Birman). 2. We’ll focus on two very standard examples. Netflix movie player. 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: . By . Sidoine. . Lafleur. . Manono. . Fotso. . epse. . Kamgang. On . September 30, 2015. Advanced Operating Systems class . : . CSc. 8320. Instructor: . Prof. Yanqing Zhang . I- Introduction. 1. CS5412 Spring 2015 (Cloud Computing: Birman). Lecture II. Today: Let’s look at some real apps. CS5412 Spring 2015 (Cloud Computing: Birman). 2. We’ll focus on two very standard examples. Netflix movie player. Ken Birman. 1. CS5412 Spring 2012 (Cloud Computing: Birman). Lecture . VII. How are cloud structured?. CS5412 Spring 2012 (Cloud Computing: Birman). 2. Clients talk to clouds using web browsers or the web services standards. Gibco boxy bottle 2008150presentGibco One Shot 50 mL bottle2016150presentGibco sera151committed to quality and innovation since 1962Gibco square plastics 19871501996Gibco round plastics 19961502007Gib Ceph. : A Scalable High-Performance Distributed File System. Ken Birman. Spring, . 2020. http://www.cs.cornell.edu/courses/cs5412/2020sp. 1. HDFS limitations. Although many applications are designed to use the normal “POSIX” file system API (operations like file create/open, read/write, close, rename/replace, delete, and snapshot), some modern applications find POSIX inefficient.. 1. CSPs: Arc Consistency. & Domain Splitting . Computer Science cpsc322, Lecture 13. (Textbook . Chpt. 4.5 ,. 4.6). May, 30, 2017. CPSC 322, Lecture 13. Slide . 2. Lecture Overview. Recap (CSP as search & Constraint Networks). COS 418: Distributed Systems. Lecture 12. Wyatt Lloyd. Outline. Network Partitions. Linearizability. CAP Theorem. Consistency Hierarchy. Network Partitions Divide Systems. Network Partitions Divide Systems.