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A database cache for high performance and fast restart in database systems

1984; Association for Computing Machinery; Volume: 9; Issue: 4 Linguagem: Inglês

10.1145/1994.1995

1557-4644

Klaus Elhardt, Rudolf Bayer,

Software System Performance and Reliability

Performance in database systems is strongly influenced by buffer management and transaction recovery methods. This paper presents the principles of the database cache, which replaces the traditional buffer. In comparison to buffer management, cache management is more carefully coordinated with transaction management, and integrates transaction recovery. High throughput of small- and medium-sized transactions is achieved by fast commit processing and low database traffic. Very fast handling of transaction failures and short restart time after system failure are guaranteed in such an environment. Very long retrieval and update transactions are also supported.