Questions tagged [grpc]
The grpc tag has no usage guidance.
16
questions
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85 views
Why is Nginx truncating the JSON streaming response?
Our stack is Client(Browser) <-> Nginx Reverse Proxy <-> Webserver(Flask+Gunicorn) <-> Golang gRPC server
The problem is when the client makes a call to the /realtimedata endpoint, ...
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16 views
EC2 GRPC install hangs after 12 hours still no install
I'm pretty sure it's because I am using t2.nano and not something a little more beefy.
But I have used laravel forge to provision an ec2 server, I can't deploy my application however because I need to ...
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115 views
gRPC via CloudFlare results in HTTP/2 internal error code 2
My setup:
.Net gRPC Server <-> Nginx <-> CloudFlare <-> gRPC client (C#/Python)
My .Net gRPC Server configured to support insecured http2, listen at port 50052:
webBuilder....
-1
votes
1answer
76 views
Too many RPC connections make web socket closed
Several servers are connected via RPC. There are times when apps in OS have too many RPC calls, which causes the network to become closed.
What is the best way to debug or configure my OS?
"msg&...
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25 views
GRPC (HTTP2) with GCP instance
I am testing out both GRPC, which uses HTTP2, and the nanos unikernel. I have written a small test server in Golang that has an internal GRPC server that has requests made by a client connection in ...
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24 views
ELB dropping persistent gRPC server-side stream
We're setting up a load balancer for our IoT server. There is (currently) a single gRPC server, to which the devices must connect.
The load balancer is set up to perform HTTPS encryption, and allow ...
0
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0answers
533 views
Unable to receive gRPC error during a response streaming call using HAProxy in HTTP mode
I'm working on a gRPC application that will be served behind HAProxy using the http mode. If the server application immediately (ie. before sending any responses) aborts the response streaming call ...
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2k views
gRPC failed with StatusCode.UNAVAILABLE: failed to connect to all addresses
I am trying to set up Tinode messenger on Debian 10 Buster server.
For some reason when I run a Pyhon command to access messenger's grpc service on localhost, port 16060:
python tn-cli.py --login-...
2
votes
1answer
2k views
Does Azure Application Gateway support gRPC connections?
I've set up an Azure Application Gateway with Azure Kubernetes Service using the Azure Application Gateway Ingress Controller (AGIC) and confirmed that it's working correctly using the sample ...
1
vote
1answer
1k views
Connection incorrectly preserved when using gRPC on ISTIO
We've seen some odd behaviour on our kubernetes cluster. We have two test applications that speak gRPC. One sends a subscription message and the other sends back a stream of responses. The envisaged ...
1
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0answers
270 views
Having trouble with gRPC calls behind an (AWS classic) load balancer
I have a server written in Python 3.6, using frameworks flask (1.0.2), and SQLAlchemy (2.4.0). I have some rest calls going out to third-party services such as vision APIs.
I have a few API calls ...
2
votes
1answer
4k views
why do I need a certificate to establish a secure gRPC connection as a client?
When using gRPC over plain TCP the client establishes a channel with the server like this (in ruby):
stub = Helloworld::Greeter::Stub.new(service_url, :this_channel_is_insecure)
but then, when I ...
0
votes
1answer
123 views
Expired DHCP lease on restored VM snapshot interfering with active gRPC connection?
I am using gRPC to communicate between Java (running on the host) and Python (running on my Guest VMs). My software sets up some VMs at startup with libvirt. I specify my network with a DHCP range ...
1
vote
2answers
953 views
Http2 load balancer by using L4
As far as I known, L4 load balancer maintains 2 TCP connections:
One is from front side to Load balancer
LB terminate above connection, create new TCP connection , change IP/Port of TCP packet to ...
2
votes
0answers
387 views
Nginx self-signed certificates for gRPC server
I want to set up a gRPC service behind nginx that also serves letsencrypt enabled https services. I want to enable and disable access from client services (other websites) on a regular basis. So if ...
1
vote
0answers
826 views
How to configure dynamic routing of gRPC requests with envoy, nomad and consul
We use nomad to deploy our applications - which provide gRPC endpoints - as tasks. The tasks are then registered to Consul, using nomad's service stanza.
The routing for our applications is achieved ...
