[jira] [Updated] (TS-2587) Improve Hierarchical Caching documentation

["Miles Libbey (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TS-2587?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Miles Libbey updated TS-2587:
-----------------------------

    Component/s: Documentation
     Issue Type: Improvement  (was: Bug)

> Improve Hierarchical Caching documentation
> ------------------------------------------
>
>                 Key: TS-2587
>                 URL: https://issues.apache.org/jira/browse/TS-2587
>             Project: Traffic Server
>          Issue Type: Improvement
>          Components: Documentation
>            Reporter: Miles Libbey
>
> While investigating hierarchical caching, several questions arose that were not addressed by docs:
> - what happens when all parent caches go down?  Will the children start going to origin themselves? [hmm, in parent.config doc, says for parent, "An ordered list of parent servers. If the request cannot be handled by the last parent server in the list, then it will be routed to the origin server"]
> - Can a parent cache accept 'normal' traffic? 
> - The doc indicates that only the parent need configuration. However, that seems to be backwards. Seems like the child needs to know 
>   a) it has parents (proxy.config.http.parent_proxy_routing_enable) 
>   b) its parents (in parents.config) and 
>   c) which requests to go to parents.



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