Hello!

On Sat, Mar 31, 2018 at 06:36:35AM -0400, bcoz123 wrote:

> Hello everyone,
> In the latest version(1.13.10)
> Does ‘grpc_pass’ support the ‘keepalive’ option ?
> My configuration is:
>
> ...
> http {
> ...
> upstream backend {
> server localhost:50051;
> keepalive 300;
> }
> server {
> listen 80 http2;
> location / {
> grpc_pass grpc://backend;
> }
> ...
> }
> ...
>
> It seems not work,
> Because I can still see for every request from the front,
> Nginx create a new tcp connection between nginx and backend every time.
> Is there something wrong in my configuration file?
> Or just it is not supported in this version ?

It is supported, though connections may still be closed in some
specific cases (unlikely to occur with valid gRPC requests
though). Note well that keepalive connection caches are
per-worker, so if you are using multiple worker processes you may
need to do multiple tests to see it working.

--
Maxim Dounin
http://mdounin.ru/
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