August 2017
Intermediate to advanced
278 pages
8h 53m
English
For this hash method, we used the client IP ($remote_addr) as the determining factor to build up the hash map.
The consistent parameter at the end of the hash line implements the Ketama consistent hashing method, which helps to minimize the amount or remapping (and therefore potential disruption or cache loss) if you need to add or remove servers from your upstream block directive. If your upstream servers remain constant, then you can omit this parameter.
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