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If your library doesn't support the spec, consult the library list to find an alternative in your preferred programming language. Deleting a subgraph in Studio has no effect on your actual running subgraph instance. It only removes your router 's knowledge of that instance and its corresponding schema field s.
Because our router is connected to GraphOS , it automatically collects and reports metrics on incoming operation s and their field s. You can then visualize those metrics in Studio.Fortunately, we have all of this information! Let's send it to GraphOS . 5. Publish your subgraph schemas To learn more about these and many more GraphOS features, see the complete GraphOS documentation . What's in a supergraph? Under Build Settings , enable the toggle labeled Show all uses of @tag directives to consumers in Schema Reference and Explorer . Beyond member roles, GraphOS also allows certain variant s to be designated as protected variants to further restrict who can make changes to their schema s, which is especially important in production environments. Additional resources
The exact details for deploying the router depend on which platform you use, but these high-level steps hold true for most platforms: Publishing SDL to supergraph-router:dev (subgraph: products) using credentials from the default profile. Documentation for all your supergraph's types and fields. Supports filtering definitions by name, subgraph, and other values. Learn moreYou can view the results of each launch that takes place whenever you update a service's schema , helping you resolve any issues that might occur. As with the gateway, there are different ways to create the supergraph. One recommended method is to use the Rover CLI, which needs a YAML file that details where the subgraphs live. Here’s an example: subgraphs: astronauts: routing_url: https://localhost:4001 schema: subgraph_url: https://localhost:4001 missions: routing_url: https://localhost:4002 schema: subgraph_url: https://localhost:4002 We’ve seen case after case of the supergraph architecture – a unified layer, made from modules, continuously evolving – emerging organically at companies we respect and admire. So we’re focused on this idea of the supergraph and our ambition is to help every team have one. Here’s how all that we’ve been building helps with that goal. Apollo Federation: the spec For instance, does your frontend use many different endpoints to make a single piece of the application function? If so, then federation may be a good choice for you. If you only use one or two endpoints, then the extra complexity added by having to manage a gateway may not be worth it. GraphQL request, validates it, extracts a user’s role, and puts it into the context. The implementation of the plugin made it possible to remove
Catches breaking changes at supergraph build time before a new supergraph is published, before they're published for Gateways to use. GraphQL is a query language for APIs, but its potential is so much bigger than you might imagine. It can expose all of your services using a single, unified API, even when your services have different protocols, response types and specifications. GraphQL schemas make it easy to communicate how to use the API across stakeholders, with an enhanced developer experience compared to REST APIs. This mode helps multiple teams working on a supergraph to coordinate when and how to change individual subgraph s. It's recommended for all supergraphs. For more information, read Managed federation overview . Make sure any existing clients that communicate directly with your API are updated to communicate with your router before you begin rejecting direct requests!Federation 2 builds on what we’ve learned from our community. It adds more complete support for the GraphQL spec including interfaces and new directives which can eliminate much of the boilerplate code that came with Federation 1. Subgraph errors redacted is the error message Apollo Router replaces errors in subgraphs with. This is the default behavior that prevents potential leaks At the end of 2021, we released the world’s first and only graph router: Apollo Router. The performance advantages are significant: Apollo Router processes requests with 10x lower latency, 10x higher throughput, and 12x lower variance compared to Apollo Gateway, its JavaScript predecessor. Take a look at the benchmark below to get a sense of how much better it is. Response latency vs request throughput for Gateway, Router, and direct-to-subgraph When you publish a subgraph's schema , you can specify which variant of the supergraph you're publishing that schema to. Adding a variant
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