[GitHub] [trafficserver] ezelkow1 edited a comment on pull request #8473: Serve stale content from child if parent returns invalid/marked down

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ezelkow1 edited a comment on pull request #8473:
URL: https://github.com/apache/trafficserver/pull/8473#issuecomment-954861826


   @serrislew Maybe max_stale_age is a complete upper bound, while the stale-if-error can change based on upstream response, so determination would just be min(SIE, max_stale_age) > current_stale_age -> return stale. This is similar to guaranteed max lifetime vs. max-age/s-max used in freshness calculations.
   
   Anyways just a thought, I know we've discussed trying to add SIE and SWR before, not saying it should be done in this PR either, just throwing out ideas.


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