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Encyclopedia > Bottlenecks

A bottleneck is literally the neck of a glass or pottery bottle. An hourglass has a bottleneck at its mid-point whose diameter governs the time that granular contents of a given mass will take to pass through. Reusable glass milk bottles A bottle is a small container with a neck that is narrower than the body and a mouth. ... Hourglass Wooden hourglass An hourglass, also known as a sandglass or sand timer, is a device for the measurement of time. ...

Metaphorically a bottleneck is a section of a route with a carrying capacity substantially below that characterising other sections of the same route. This is often a narrow part of a road, perhaps also with a smaller number of lanes, or a reduction of the number of tracks of a railway line. It may be due to a narrow bridge or tunnel, a deep cutting or narrow embankment, or work in progress on part of the road or railway. In language, a metaphor is a rhetorical trope where a comparison is made between two seemingly unrelated subjects. ... A road is a strip of land, smoothed or otherwise prepared to allow easier travel, connecting two or more destinations. ... The Golden Gate Bridge connecting San Francisco and its peninsula to Marin County A bridge is a structure built to span a gorge, valley, road, railroad track, river, body of water, or any other physical obstacle. ... A disused railway tunnel now converted to pedestrian and bicycle use, near Houyet, Belgium A tunnel is an underground passage. ...

More generally, a bottleneck is one process in a chain of processes, such that its limited capacity reduces the capacity of the whole chain. A related concept is critical path. In computer science, some authors refer to the von Neumann bottleneck between processor and memory. The term may refer to Critical path -- a notion from project management Critical Path (book) by Buckminster Fuller This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... Wikibooks Wikiversity has more about this subject: School of Computer Science Open Directory Project: Computer Science Collection of Computer Science Bibliographies Belief that title science in computer science is inappropriate Categories: Computer science ... The so-called von Neumann architecture is a model for a computing machine that uses a single storage structure to hold both the set of instructions on how to perform the computation and the data required or generated by the computation. ...

See also

"Bottleneck" is also a common term used for playing Slide Guitar, because the broken-off neck of a bottle was and is often used to play that style of guitar. This musical form is most popular among Blues guitarists but is also found in some country and rock playing. A population bottleneck (or genetic bottleneck) is an evolutionary event in which a significant percentage of a population or species is killed or otherwise prevented from reproducing, and the population is reduced by 50% or more, often by several orders of magnitude. ... In computing, a performance problem is identified by slowed responses or by complete failures to respond. ... The term may refer to Critical path -- a notion from project management Critical Path (book) by Buckminster Fuller This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... This article needs a complete rewrite for the reasons listed on the talk page. ...

  Results from FactBites:
What is bottleneck? - a definition from Whatis.com (694 words)
- A bottleneck, in a communications context, is a point in the enterprise where the flow of data is impaired or stopped entirely.
A bottleneck can occur in the user network or storage fabric or within servers where there is excessive contention for internal server resources, such as CPU processing power, memory, or I/O (input/output).
Bottlenecks are typically located by systematically testing network performance at various devices along a data path and isolating devices performing noticeably slower than other points.
Bottleneck Band Home Page (71 words)
Bottleneck is a folk-country-blues group whose popularity is spreading like prairie fire.
Bottleneck slides Americana up from across the border and summons bluegrass from over the Rockies to form their own brand of classic, laid-back roots music.
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