Cleanup serving stale while origin server down#13083
Draft
masaori335 wants to merge 3 commits intoapache:masterfrom
Draft
Cleanup serving stale while origin server down#13083masaori335 wants to merge 3 commits intoapache:masterfrom
masaori335 wants to merge 3 commits intoapache:masterfrom
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HttpTransact::HandleCacheOpenReadHittry to return stale contents by checkingis_server_negative_cached(s), but actually, this is dead code. Because when all origin servers are marked down,HttpTransact::OSDNSLookupserves stale contents.This PR marked as draft because new AuTest depends on #13069.