Using Actors to Build a Parallel DBMS

Walid-Khaled Hidouci, Djamel Eddine Zegour


In this paper, we present the design and the architecture of a parallel main memory database management system. We focus on concurrency control scheme and recovery. Our prototype is based on the concept of "database actors", an object-oriented data model well suited for parallelmanipulations. The storage sub system is built upon distributed Ram-files using SDDS (Scalable Distributed Data Structures) techniques. A nested transaction model is proposed and used to handle concurrency access and recovery. We have also proposed novel approach, based on wait-die, to implement a distributed deadlock prevention technique for our model of nested transactions.


parallel DBMS, actor programming, SDDS (Scalable Distributed Data Structures), nested transactions, concurrency control, locking, indirect deadlocks, recovery, checkpoints, 2PC

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