Anyone?

On Wed, Feb 19, 2020, 5:25 PM satay <nginx-forum@forum.nginx.org> wrote:

> Hi Maxim,
>
> Thanks for responding. I agree with your recommendation. I guess a direct
> upgrade from 1.12 to 1.16 (free community version) is possible and
> shouldn't break it.
>
> I'm preferring 1.61 since it's the latest stable version. Beside the
> upgrade, do you recommend any performance tuning should be done?
>
> Thanks
>
>
> FYI - This is the error I see in the "dns.log" occurring frequently.
>
> 2020/02/19 16:47:28 [error] 19509#0: *4852298929 no live upstreams while
> connecting to upstream, udp client: x.x.x.x, server: 0.0.0.0:53, upstream:
> "dns_servers", bytes from/to client:50/0, bytes from/to upstream:0/0
>
> This is the nginx.conf ---
>
>
> worker_processes auto;
> error_log /var/log/nginx/error.log;
>
> include /usr/share/nginx/modules/*.conf;
>
> events {
> }
>
> stream {
> upstream dns_servers {
> server x.x.x.x:53 fail_timeout=60s;
> server x.x.x.x:53 fail_timeout=60s;
> server x.x.x.x:53 fail_timeout=60s;
> }
> server {
> listen 53 udp;
> listen 53; #tcp
> proxy_pass dns_servers;
> error_log /var/log/nginx/dns.log info;
> proxy_responses 1;
> proxy_timeout 5s;
> }
> }
>
> http {
> index index.html;
> server {
> listen 80 default_server;
> server_name _;
> access_log /var/log/nginx/access.log;
> server_name_in_redirect off;
> root /var/www/default/htdocs;
> allow x.x.x.x;
> deny all;
> location /nginx_status {
> stub_status on;
> access_log off;
> }
> }
> }
>
> Posted at Nginx Forum:
> https://forum.nginx.org/read.php?2,287053,287069#msg-287069
>
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