September 2014
Intermediate to advanced
560 pages
15h 52m
English
book
Practice of Cloud System Administration, The: DevOps and SRE Practices for Web Services, Volume 2
by Thomas A. Limoncelli, Strata R. Chalup, Christina J. Hogan
Content preview from Practice of Cloud System Administration, The: DevOps and SRE Practices for Web Services, Volume 2
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Appendix C. Scaling Terminology and Concepts
The essence of life is statistical improbability on a colossal scale.
—Richard Dawkins
You’ve probably experienced software that works well with a small amount of data but gets slower and slower as more data is added. Some systems get a little slower with more data. With others, the slow-down is much bigger, often dramatically so.
When discussing scalability, there is terminology that describes this phenomenon. This enables us to communicate with each other with great specificity.
This appendix describes some basic terminology, a more mathematical way of describing the same concepts, and finally some caveats for how modern systems do or do not act as one would expect.
C.1 Constant, Linear, and Exponential ...
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