[GitHub] [trafficcontrol] ezelkow1 opened a new issue, #6867: Localized Max Origin Setting

[GitBox <gi...@apache.org>]

ezelkow1 opened a new issue, #6867:
URL: https://github.com/apache/trafficcontrol/issues/6867

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   ## This Improvement request (usability, performance, tech debt, etc.) affects these Traffic Control components:
   <!-- delete all those that don't apply -->
   - Traffic Control Cache Config (`t3c`, formerly ORT)
   - Traffic Ops
   - Traffic Portal
   
   ## Current behavior:
   <!-- Describe how the current features are insufficient. -->
   Currently we can set a max origin value on a per DS basis. This then gets spread across the last tier of all caches assigned to a delivery service. However this currently does not work in instances where we are using topologies but have a localized origin, i.e. say you have multiple services each covering a different region of the US but are using a topology that is just "all-one-tier" so that you can have failover. This calculation for max origin will then include every server on that topology instead of just ones localized to a cache group for that region, drastically reducing the max origin count.
   
   ## New behavior:
   <!-- Describe how this change would improve Traffic Control -->
   I suggest adding some sort of toggle on a DS with the max origins to indicate that the origin server is localized for one specific area. Then we would also need t3c changes to understand that toggle and know to calculate the max origin based on cache group instead of topology wide
   


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