'Transaction coordinator' diaporamas de présentation

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Inter-Transactional Parallelism for Persistent Distributed Shared Virtual Memory - Implementation and Performance -. ???? ???????????????? ????????. Outline. Introduction Overview of WAKASHI Network Of Workstations Persistent Distributed Shared Virtual Memory

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Distributed Databases

Distributed Databases. ?????? ???? ???????. ?????? ????. A distributed database system consists of loosely coupled sites that share no physical component Database systems that run on each site are independent of each other Transactions may access data at one or more sites.

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1DT066 Distributed Information System

1DT066 Distributed Information System. Transactions and Concurrency Control. Outline. Motivation Transaction Concepts Two Phase Commit Distributed Transactions and Deadlocks Summary. 1 Motivation. What happens if a failure occurs during modification of resources?

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Lecture XI: Distributed Transactions

Lecture XI: Distributed Transactions. CMPT 431 Dr. Alexandra Fedorova. A Distributed Transaction. A transaction is distributed across n processes. Each process can decide to commit or abort the transaction A transaction must commit on all sites or abort on all sites. Participating Site.

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Distributed Object Transactions

Distributed Object Transactions. Transaction principles Concurrency control The two-phase commit protocol Services for distributed object transactions. Transaction Principles. Transaction cluster several object requests into a coarse-grained unit

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Suki Sodhi

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