Hey everyone,
Looking through the gRPC ruby guide, I noticed that the channel isn't
created separately from the Stub like in other examples (such as Java).
After digging into gRPC, I found that the ClientStub takes a
channel_override parameter
<https://github.com/grpc/grpc/blob/aafa875cb389140cf721d8470a3a05cf930f74b2/src/ruby/lib/grpc/generic/client_stub.rb#L64-L66>,
which may allow us to share channels across many stubs.
1. How do I properly instantiate a GRPC::Core::Channel object? The
documentation for this pattern doesn't exist. I've currently got something
like:
ssl_creds = GRPC::Core::ChannelCredentials.new("ca_file_path")
grpc_channel = GRPC::Core::Channel.new("url", {}, ssl_creds)
client = MyService::Stub.new("url", nil, :channel_override => grpc_channel)
Also,
2. Is sharing channels in gRPC ruby recommended? An older discussion here
<https://groups.google.com/forum/#!searchin/grpc-io/sharing$20channels%7Csort:relevance/grpc-io/jc-cZak29V4/At25yF4-AAAJ>
recommends
it, but I found a commit here on gitlab
<https://gitlab.com/gitlab-org/gitlab-ce/commit/4ea02bf88a2e2271878ffef5998d9414e82a8f44>,
which suggests that many stubs sharing a single channel may not be stable.
Thanks,
Jason
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