Concurrency control and recovery in database systems
Concurrency control and recovery in database systems
Models for studying concurrency control performance: alternatives and implications
SIGMOD '85 Proceedings of the 1985 ACM SIGMOD international conference on Management of data
On optimistic methods for concurrency control
ACM Transactions on Database Systems (TODS)
Physical integrity in a large segmented database
ACM Transactions on Database Systems (TODS)
The notions of consistency and predicate locks in a database system
Communications of the ACM
Overview of the Jasmin database machine
SIGMOD '84 Proceedings of the 1984 ACM SIGMOD international conference on Management of data
Distributed Transaction Management in Jasmin
VLDB '84 Proceedings of the 10th International Conference on Very Large Data Bases
SOSP '77 Proceedings of the sixth ACM symposium on Operating systems principles
The Roscoe distributed operating system
SOSP '79 Proceedings of the seventh ACM symposium on Operating systems principles
A multi-version concurrency scheme with no rollbacks
PODC '82 Proceedings of the first ACM SIGACT-SIGOPS symposium on Principles of distributed computing
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JASMIN is a functionally distributed database system running on multiple microcomputers that communicate with each other by message passing. The software modules in JASMIN can be cloned and distributed across computer boundaries. One important module is the intelligent store, a page manager that includes transaction-management facilities. It provides an optimistic, multiversioning concurrency control scheme. This scheme allows read-only transactions to run almost without conflict checking; this is important in some real-time database applications like telephone switching and routing services. The initial implementation of the intelligent store deals with centralized database only. Experiences in modifying the JASMIN intelligent store module to handle distributed databases are described. Design principles and system implementation techniques in the following areas are explored; process structure, data structures and synchronization on data structures. The process structure is aimed to provide high throughput and the data structures are designed to facilitate fast response time.