[GitHub] [trafficserver] LionsAd opened a new issue #8768: cache_key_genid is missing documentation

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

LionsAd opened a new issue #8768:
URL: https://github.com/apache/trafficserver/issues/8768


   cache_key_genid is missing documentation, here is what I found out by analyzing the code:
   
   This plugin allows you to use a Kyoto database to increase genid per hostname, hence expiring the cache for a full domain using the zero cost mechanism to set the genid in the cache key.
   
   The additional overhead for the plugin is:
   
   - Parse hostname from given url
   - Check kyoto DB for genid for the given host [DB lookup]
   - Set genid for the cache key dynamically
   
   This plugin takes just one argument:
   
   - The path to the genid kyoto DB
   
   I presume GoDaddy uses this in combination with a purge plugin like remap_purge to write values to the Kyoto DB to expire whole domains.


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