Firstsawyou commented on a change in pull request #2817:
URL: https://github.com/apache/apisix/pull/2817#discussion_r528718641
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File path: apisix/init.lua
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@@ -629,6 +630,14 @@ end
function _M.http_header_filter_phase()
core.response.set_header("Server", ver_header)
+ local status_code = tonumber(get_var("upstream_status"))
+ if status_code then
+ if status_code >= 500 and status_code <= 599 then
Review comment:
The main purpose here is to distinguish whether the 5xx status code
comes from APISIX or upstream. If we want to record other response status
codes, we need more discussion.
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