DISTRIBUTED CONSISTENCY MANAGEMENT IN

DISTRIBUTED CONSISTENCY MANAGEMENT

A SINGLE ADDRESS SPACE DISTRIBUTED OPERATING SYSTEM

Sombrero

John Olson M.S. Thesis Presentation 8/02

Request Access

Page Miss After Token Set

Simplified Memory Object Control Block

Copy Set Graph with Arity 2

Copy Set Parent Graph

Copy Set Parent Graph Depicted As Linear Graphs

Last Known Writer Graph

Extended Last Known Writer Graph with Cycle

Pruned Last Known Writer Graph

Extended Pruned Last Known Writer Graph

Modified-Page Cache Graph

Process of Pruning Modified Page Cache Graph

Pruned Modified Page Cache Graph

Page Flushing upon MPC Graph Pruning

Overlay View of Four Graphs

Last Known Writer Graph of Figure 10 After Node Deletion

Delete Node From Last Known Writer Graph Algorithm

Delete Node From Modified-Page Cache Graph Algorithm

Current Sombrero Architecture on a Single Node

Token Tracking Invocation Scenarios

Token Tracking Invocation Scenarios - continued

4 Requesting Node receives message from current LKW node that token has been revoked /

NotifyGrantTokenOK

Token Tracking Invocation Scenarios – continued

7 (2) Page Miss

Request Write Permission Algorithm

Send Modified Pages to Peer Algorithm

Receive Request for Write Token from Peer Algorithm

Receive Modified Pages from Peer Algorithm

Handle Local MPC Graph Pruning

Sombrero Simulation Implementation Architecture

Sombrero to Simulation Mapping

Single Node Access

Two Node Access

Three Node Scenario

Three Node Multiple Pages

MRMW Three Node Scenario

Thread Migration Scenarios on a Memory Object

Questions

DISTRIBUTED CONSISTENCY MANAGEMENT IN

Documents

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Consistency in Distributed Systems

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Distributed systems and consistency

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Consistency & Replication in Distributed Systems - Distributed … · 2013-07-09 · Client-centric Consistency Models Monotonic Reads De nition A data store is said to provide monotonic-read

Data Consistency and Fault Tolerancecheo/presentations/fault...Replication for Consistency and Fault Tolerance In distributed systems where both consistency and fault tolerance need

Data Consistency Management

Data Consistency in Distributed Systems: Algorithms ... · Report from Dagstuhl Seminar 18091 Data Consistency in Distributed Systems: Algorithms, Programs, and Databases Editedby