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author | Matt Holt <mholt@users.noreply.github.com> | 2021-02-22 11:57:21 -0700 |
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committer | GitHub <noreply@github.com> | 2021-02-22 11:57:21 -0700 |
commit | 6722ae3a835702073682e020d8736140fc04538e (patch) | |
tree | bc66fb7a9f1e4a085e2804a89f12722134394ca9 /modules/caddyhttp/metrics.go | |
parent | edb362aa96bd8e79adfaca44fbd9f9ce5bff778d (diff) |
reverseproxy: Add duration/latency placeholders (close #4012) (#4013)
* reverseproxy: Add duration/latency placeholders (close #4012) (and #2268)
Adds 4 placeholders, one is actually outside reverse proxy though:
{http.request.duration} is how long since the server decoded the HTTP request (headers).
{http.reverse_proxy.upstream.latency} is how long it took a proxy upstream to write the response header.
{http.reverse_proxy.upstream.duration} is total time proxying to the upstream, including writing response body to client.
{http.reverse_proxy.duration} is total time spent proxying, including selecting an upstream and retries.
Obviously, most of these are only useful at the end of a request, like when writing response headers or logs.
See also: https://caddy.community/t/any-equivalent-of-request-time-and-upstream-header-time-from-nginx/11418
* Add new placeholders to documentation
Diffstat (limited to 'modules/caddyhttp/metrics.go')
0 files changed, 0 insertions, 0 deletions