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Only change the values in the GREEN cells below
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DO NOT EDIT THE ORANGE ROW (calculated values)!Fill in:Comments and explanations:IST KARLO
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Traffic on evaluated site(s):
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Total number of Site Visitors 12,000Number of people who come and visit the website for which the calculation is done. When using this as initial number for calculation, please make sure you also fill next line (page views per visit)!106761 Sitzungen
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... AND ...
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Average number of page views per visit (by the visitor above)200Number of page visitor visits on the site on average. Only required if the previous line was filled in.7 Seiten pro Sitzung
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... OR ...
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Total number of page views2,400,000Number of page views on the website. If not entered, it will be calculated from the values above.
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... AND ...
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Average amount of requests per page view50Describes the "richness" of the site. 20=light, 200=heavy. Described by how many resources (css, js, images, ...) each page uses on average.
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... OR ...
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Total amount of requests120,000,000Number of requests on the website. If this value is not provided, it will be calculated from the values above.
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Time interval described by traffic aboveMonthIndicate if the numbers above are per month, per day or per hour.
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Description of traffic (peak distribution):
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Number of peak/working days20A typical working month has 20 days. If the site is accessed mainly during working days, set it to 20. If it is mainly over the weekends, set to 8-10.
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Access Density/Distribution during peak days (0-1 1= 100%)0.9How much of the traffic happens in the interval above? For example, if 90% of access is during working days and 10% outside, set the above to 20 and this to 0.9
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Number of peak/working hours10A typical working day is 8 hours. Acounting for people starting and ending work at different times, 10 hours seems optimal. If, on the other hand, people access the site round the clock, set it to 24. If only over lunch, set to 2 hours.
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Access Density/Distribution during peak hours (0-1 1= 100%)0.6How much of the traffic happens over peak/working hours? If 90% for example, set to 0.9. If less, set to a lower number.
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Description of content/server:
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How heavy is your site content (average time (in ms) required to fullfil a request):More text, more bigger images, videos, still lightAlways go for one option higher than what you think it will be.
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How good is your server?GoodWhen in doubt, select Basic.
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What type of server do you plan to use?TomcatWhen in doubt, select Tomcat.
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Other:
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Use of CDN for all resources?yesClient planning (or already using) CDN, Varnish or some other content cache? Say "yes" here.
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High Availablity or Fault Tolerance required?yesGot HA 99.99 or similar requirent? Say "yes" here.
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Number of public instances necessary to serve the requests:2.00Remember this is just for public instances! +1 to include author.
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