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add metadata section to docs (#4525)

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Signed-off-by: Chris O'Haver <cohaver@infoblox.com>
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Chris O'Haver 2021-03-16 08:51:21 -04:00 • committed by GitHub
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7
plugin/forward/README.md
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@ -101,6 +101,13 @@ On each endpoint, the timeouts for communication are set as follows:
* The dial timeout by default is 30s, and can decrease automatically down to 100ms based on early results.
* The read timeout is static at 2s.
## Metadata
The forward plugin will publish the following metadata, if the *metadata*
plugin is also enabled:
* `forward/upstream`: the upstream used to forward the request
## Metrics
If monitoring is enabled (via the *prometheus* plugin) then the following metric are exported: