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Document the keep-alive 0 effect on http/2 requests (#7503)

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Pål Kristensen 2021-08-26 02:53:23 +02:00 committed by GitHub
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docs/user-guide/nginx-configuration/configmap.md
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@ -397,6 +397,24 @@ Sets the time during which a keep-alive client connection will stay open on the
_References:_
[http://nginx.org/en/docs/http/ngx_http_core_module.html#keepalive_timeout](http://nginx.org/en/docs/http/ngx_http_core_module.html#keepalive_timeout)
!!! important
Setting `keep-alive: '0'` will most likely break concurrent http/2 requests due to changes introduced with nginx 1.19.7
```
Changes with nginx 1.19.7 16 Feb 2021
*) Change: connections handling in HTTP/2 has been changed to better
match HTTP/1.x; the "http2_recv_timeout", "http2_idle_timeout", and
"http2_max_requests" directives have been removed, the
"keepalive_timeout" and "keepalive_requests" directives should be
used instead.
```
_References:_
[nginx change log](http://nginx.org/en/CHANGES)
[nginx issue tracker](https://trac.nginx.org/nginx/ticket/2155)
[nginx mailing list](https://mailman.nginx.org/pipermail/nginx/2021-May/060697.html)
## keep-alive-requests
Sets the maximum number of requests that can be served through one keep-alive connection.