Extending TP-monitors for intra-transaction parallelism
Conference
·
OSTI ID:535557
- Institute for Information Systems, Zurich (Switzerland)
Inter-transaction parallelism, the concurrent execution of independent client transactions, is currently well supported by database systems. Intra-transaction parallelism, the parallel execution of operations within the same transaction, is generally not supported, even though often necessary especially in non-standard applications. In this paper we show how database operations within the same transaction can be executed concurrently by executing them as independent sub-transactions. This is possible because we employ a two-level transaction approach where the lower level is provided by virtually any of today`s databases. The higher level is realized by a transaction processing monitor that is extended with an additional transaction manager for the scheduling of application service calls. We present results of a prototype implementation using Tuxedo and a relational database system using a document management application as an example.
- OSTI ID:
- 535557
- Report Number(s):
- CONF-961209--
- Country of Publication:
- United States
- Language:
- English
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