Thank you, Willy! I will take a try with a new version if it could help :) пт, 22 янв. 2021 г. в 11:43, Willy Tarreau <[email protected]>:
> Hi Maksim, > > On Thu, Jan 21, 2021 at 09:27:33PM +0300, ?????? ????????? wrote: > > Hi! > > > > Can anyone please explain or point out in the documentation how streams > in > > HTTP/2 connection are balanced? > > Like any other HTTP stream. There's no relation between H2 streams. There > was already no relation between H1 streams, but it was possible to know > that one of them was the first one. For H2 there's no first one at all > since they're all parallel. > > > Right now I have haproxy=2.1.4 with http/2 balancer configured and it > seems > > to me that gRPC-requests over a single connection from a client are > always > > forwarded to the same backend server. > > > > Am I right or not? Are there any configuration options for this? > > Not only there is no reason for this, but if you asked me how to achieve > this I wouldn't know how to do it :-) > > The load balancing happens for each request, following the configured LB > algorithm. > > > Forget to add my config. It looks like this one (http/2 end to end, no > ssl, > > random balanced): > > > > frontend grpc.service:8080 > > bind ipv6@xxx:8080 proto h2 > > > > mode http > > option http-use-htx > > timeout client 30s > > > > default_backend be1:grpc.service:8080 > > > > backend be1:grpc.service:8080 > > mode http > > balance random > > > > retries 1 > > timeout connect 25 > > timeout server 30s > > timeout queue 1s > > > > # Set other options > > option http-use-htx > > option redispatch > > > > default-server weight 50 > > > > server server1:17355 xxx:17355 proto h2 > > server server2:17355 yyy:17355 proto h2 > > server server3:17355 zzz:17355 proto h2 > > I see nothing wrong in this config, for me it's OK. However, is there > any reason for you to run on a version that's affected by 221 known > bugs ? Maybe what you're observing is just the consequence of one of > these ? > > https://www.haproxy.org/bugs/bugs-2.1.4.html > > Please update it and retry, just in case. > > Cheers, > Willy >

