Computers and Computing

A Dictionary of the Internet A Dictionary of Computing Further reading

atomicity

A Dictionary of the Internet | 2001 | | Copyright

atomicity This term describes the fact that a DISTRIBUTED TRANSACTION either completes, or fails and has no effect at all. So, for example, if a transaction involves the updating of a number of distributed databases then either all the databases are updated or, for example, if a failure occurs on one of the computers involved in the transaction, none of the databases are updated. Atomicity is an important property of a distributed transaction along with CONSISTENCY, ISOLATION, and DURABILITY.

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DARREL INCE. "atomicity." A Dictionary of the Internet. 2001. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

DARREL INCE. "atomicity." A Dictionary of the Internet. 2001. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O12-atomicity.html

DARREL INCE. "atomicity." A Dictionary of the Internet. 2001. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O12-atomicity.html

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atomicity

A Dictionary of Computing | 2004 | | Copyright

atomicity A term used in connection with the extent to which a resource can be subdivided. For some resources the amount allocated to a process can be completely arbitrary; an example is processor time (outside critical sections). For other resources allocations must be in terms of a smallest allowable amount; an example might be memory, which may only be allocated in multiples of, say, 1024 bytes.

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JOHN DAINTITH. "atomicity." A Dictionary of Computing. 2004. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

JOHN DAINTITH. "atomicity." A Dictionary of Computing. 2004. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O11-atomicity.html

JOHN DAINTITH. "atomicity." A Dictionary of Computing. 2004. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O11-atomicity.html

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