Support for hedging

[David M]

  Which release will have a support for hedging ?

  Below is the merged PR which , I believe, added hedging:

  https://github.com/grpc/grpc-java/pull/4791

 Thanks!

[Penn (Dapeng) Zhang]

Hedging support (java) will be in the next release, v1.18.0, in about 6 weeks. The PR mentioned in your message is the one that added hedging support.

Thanks.

[Eric Anderson]

Note that retries and hedging depends on service config, and there's not an easy way to use it today without adding a service config for your service and enabling service config in the DNS resolver. Such things are still experimental.

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[David M]

Here is how I add a service config : 

In NameResolver.start(Listener listener)

call listener.onAddresses(servers, attributes);

where attributes got created by the following snippet:

   Attributes.Builder builder = Attributes.newBuilder();

   builder.set(GrpcAttributes.NAME_RESOLVER_SERVICE_CONFIG, serviceConfig);
   attributes  = builder.build();

Is this a correct way ?

Thanks!