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Encyclopedia of Database Systems pp 2807–2812Cite as

Storage Manager

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Synonyms

Storage layer; Disk process

Definition

The storage manager is a software layer within a database management system. It relies on operating system primitives for I/O, synchronization, etc. and exposes records in storage structures such as B-trees and heaps. Its principal operations are creation and removal of storage structures as well as retrieval, search, scans, insertion, update, and deletion of records. For those operations, the storage layer provides concurrency control among threads and among transactions, as well as recovery from transaction, media, and system failures. Standard implementation techniques include locking and write-ahead logging. Using a buffer pool, records are made accessible in random access memory, although the permanent storage is on block-access media, typically on disk but possibly in flash memory.

The storage layer may support data compression, “blobs” (binary large objects), bitmaps in non-unique secondary indexes, hash indexes, multi-dimensional...

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  3. Härder T. and Reuter A. Principles of transaction-oriented database recovery. ACM Comput. Surv., 15(4):287–317, 1983.

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  4. Hellerstein J.M., Stonebraker M., and Hamilton J.R. Architecture of a database system. Found. Trends Databases, 1(2):141–259, 2007.

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  5. Stonebraker M. Retrospection on a database system. ACM Trans. Database Syst., 5(2):225–240, 1980.

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Author information

Authors and Affiliations

  1. Hewlett-Packard Laboratories, Palo Alto, CA, USA

    Goetz Graefe

Authors
  1. Goetz Graefe
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Editor information

Editors and Affiliations

  1. College of Computing, Georgia Institute of Technology, 266 Ferst Drive, 30332-0765, Atlanta, GA, USA

    LING LIU (Professor) (Professor)

  2. Database Research Group David R. Cheriton School of Computer Science, University of Waterloo, 200 University Avenue West, N2L 3G1, Waterloo, ON, Canada

    M. TAMER ÖZSU (Professor and Director, University Research Chair) (Professor and Director, University Research Chair)

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© 2009 Springer Science+Business Media, LLC

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Graefe, G. (2009). Storage Manager. In: LIU, L., ÖZSU, M.T. (eds) Encyclopedia of Database Systems. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-39940-9_678

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