All files from this thread

File Name	File Size		Posted by	Date
nginx.conf	1.9 KB	open | download	awani227	07/20/2021	Read message

Hello!

On Tue, Jul 20, 2021 at 02:05:41PM +0530, awani227 wrote:

[...]

> stream {
>
>     log_format  timed_combined  '$remote_addr - [$time_local]
> $session_time $msec $status $protocol ua="$upstream_addr"
> "$upstream_connect_time" "$upstream_response_time"';

[...]

> I'm able to establish connection for mysql in this setup, but
> when I'm adding the log_format directive nginx is giving
> following error,
>
> 'nginx: [emerg] unknown "upstream_response_time" variable' 
>
>
>
> My motive is to get metrics for this nginx tcp loadbalancer
> (like requests per seconds, number of active connections).

In the stream load balancing there are no requests or responses
nginx knows about. Rather, there are connections (or sessions).
As such, there is no $upstream_response_time variable, as well as
other request and response-related variables which are available
in http load balancing.

Instead, consider using appropriate connection-related variables,
such as $upstream_connect_time, $upstream_first_byte_time, and
$upstream_session_time. Full list of the $upstream_* variables
can be found here:

https://nginx.org/en/docs/stream/ngx_stream_upstream_module.html#variables

Hope this helps.

--
Maxim Dounin
http://mdounin.ru/
_______________________________________________
nginx mailing list
nginx@nginx.org
http://mailman.nginx.org/mailman/listinfo/nginx