Sample production configuration for Java grpc client

[ajaydivakaran]

The below link talks about a single connection.
https://github.com/dgraph-io/dgraph4j#creating-a-client

Could you please elaborate what a typical production configuration would look like?
How do I create more than 1 connection, pool configuration?

[mangalaman93]

You can create as many stubs as there are Alpha nodes running -

ManagedChannel channel1 = ManagedChannelBuilder
    .forAddress("localhost", 9080)
    .usePlaintext().build();
DgraphStub stub1 = DgraphGrpc.newStub(channel1);

ManagedChannel channel2 = ManagedChannelBuilder
    .forAddress("localhost", 9082)
    .usePlaintext().build();
DgraphStub stub2 = DgraphGrpc.newStub(channel2);

ManagedChannel channel3 = ManagedChannelBuilder
    .forAddress("localhost", 9083)
    .usePlaintext().build();
DgraphStub stub3 = DgraphGrpc.newStub(channel3);

DgraphClient dgraphClient = new DgraphClient(stub1, stub2, stub3);

[mangalaman93]

I also raised a PR to update README #114

[ajaydivakaran]

In your example mentioned above is 3 instances of Alpha running and listening on ports (9080, 9082, 9083)?

[mangalaman93]

Correct, and all of them running locally (localhost). You will have to use the correct IP for each instance.

[ajaydivakaran]

How about for a single Alpha instance. Is there a way to have multiple connections to it?

[mangalaman93]

For that, you can potentially pass multiple stubs to same Alpha node, though, I think that's not really very useful.

[ajaydivakaran]

ok. Thanks @mangalaman93 for your suggestions.