"gRPC vs REST: let the battle begin!" OSCON 2018 edition
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O'Reilly Open Source Convention "gRPC vs REST: let the battle begin!" slides
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"gRPC vs REST: let the battle begin!" OSCON 2018 edition
- 1. gRPC vs REST: let the battle begin! Alex Borysov @aiborisov Mykyta Protsenko @mykyta_p
- 2. Who are we? Mykyta Protsenko Software Engineer @ Netflix • passionate about all things scalable • 18+ years in software engineering • avid biker • Author of Henka Alex Borysov Software Engineer @ Google • large scale systems developer • 12+ years in software engineering • devoxx.org.ua PC member • Active gRPC user REST vs gRPC @aiborisov @mykyta_p
- 3. devoxx.org.ua November 23-24, 2018 Kyiv, Ukraine Save the Date! #VoxxedDaysMinsk @aiborisov @aiborisov @mykyta_p
- 6. I am getting frustrated by the number of people calling any HTTP-based interface a REST API. Roy Fielding http://roy.gbiv.com/untangled/2008/rest-apis-must-be-hypertext-driven @aiborisov @mykyta_p
- 9. RESTful API GET /user/15 { “name”: “John Doe”, “email”:“john.doe@gmail.com”, ... } non-RESTful API GET /last_search?page=2 { “products”: [...] ... } @aiborisov @mykyta_p
- 11. What is gRPC? A high performance, general purpose, feature-rich RPC framework. Part of Cloud Native Computing Foundation cncf.io HTTP/2 and mobile first. Open sourced version of Stubby RPC used in Google. @aiborisov @mykyta_p
- 12. g in gRPC stands for 1.0 'gRPC' 1.1 'good' 1.2 'green' 1.3 'gentle' . . . 1.11 'gorgeous' 1.12 'glorious' 1.13 'gloriosa' 1.14 'gladiolus' @aiborisov @mykyta_p https://github.com/grpc/grpc/blob/master/doc/g_stands_for.md
- 13. RPC?! But... AMF? RMI? CORBA? @aiborisov @mykyta_p Image by Dan4th Nicholas. See slide #177 for details.
- 14. gRPC is not RMI Maitainability Ease of use Performance Scalability L e s s o n s Years of using Stubby @aiborisov @mykyta_p
- 15. What is gRPC? Abstractions and best practices on how to design RPCs. Default implementation(s) from Google. Extension points to plug custom implementations and modifications. Supports 10+ programming languages @aiborisov @mykyta_p
- 16. What is gRPC? Abstractions and best practices on how to design RPCs. Default implementation(s) from Google. Extension points to plug custom implementations and modifications. Supports 10+ programming languages, including JS! @aiborisov @mykyta_p
- 20. Microservices? How to draw an owl? @aiborisov @mykyta_p
- 21. Microservices? How to draw an owl? How to build microservices? @aiborisov @mykyta_p
- 22. Microservices? How to draw an owl? How to build microservices? Draw some circles. @aiborisov @mykyta_p
- 23. Microservices? How to draw an owl? How to build microservices? Draw some circles. Take XYZ framework. @aiborisov @mykyta_p
- 24. Microservices? How to draw an owl? How to build microservices? Draw the REST of the owlDraw some circles. Take XYZ framework. @aiborisov @mykyta_p Image by https://www.flickr.com/photos/centralasian/. See slide #177 for details.
- 25. Microservices? How to draw an owl? How to build microservices? Draw the REST of the owl Write your microservices! Draw some circles. Take XYZ framework. @aiborisov @mykyta_p Image by https://www.flickr.com/photos/centralasian/. See slide #177 for details.
- 33. Multiple Instances #1 #N #2 ? ? ? . . . @aiborisov @mykyta_p
- 41. A distributed system is one in which the failure of a computer you didn't even know existed can render your own computer unusable. Leslie Lamport, 1987 https://www.microsoft.com/en-us/research/wp-content/uploads/2016/12/Distribution.pdf @aiborisov @mykyta_p
- 43. Microservices?! But... Performance Hit? Service Discovery? Load Balancing? Fault Tolerance? Monitoring? Testing? @aiborisov @mykyta_p Image by Dan4th Nicholas. See slide #177 for details.
- 46. Heterogeneous Data Format Src #2 Src #1 Aggr ... Src #X <XML>...<XML> {JSON} Binary 110011 [ Unified Format ] Client @aiborisov @mykyta_p
- 47. REST: It’s All About Resources @aiborisov @mykyta_p
- 48. REST: Call Hierarchy Controller Service Data Source A . . . Data Source N RestTemplate RestTemplate RestTemplate @aiborisov @mykyta_p
- 49. REST: Data Source JSON URL: http://pokemon.com/content/11 { "id": 11, "content": "Pikachu" } XML URL: http://crypto.com/content/22 <ContentResponse> <id>22</id> <content>Ethereum</content> </ContentResponse> @aiborisov @mykyta_p
- 50. REST: Data Source ... ResponseEntity<Content> contentEntity = restTemplate.getForEntity( url + "{content_id}" Content.class, ImmutableMap.of("content_id", contentId)); ... @aiborisov @mykyta_p
- 51. REST: Service public class AggregatingService { public AggregatedContent fetch(int id) { ... return new AggregatedContent(...); } } public class AggregatedContent { private Integer id; private String type; private String content; private Integer nextId; @aiborisov @mykyta_p
- 52. REST: Service public class AggregatingService { public AggregatedContent fetch(int id) { ... return new AggregatedContent(...); } } public class AggregatedContent { private Integer id; private String type; private String content; private Integer nextId; @aiborisov @mykyta_p
- 53. REST: Service public class AggregatingService { public AggregatedContent fetch(int id) { ... return new AggregatedContent(...); } } public class AggregatedContent { private Integer id; // 115 private String type; // Pokemon private String content; // Pikachu private Integer nextId; // 116 @aiborisov @mykyta_p
- 54. REST: Service public class AggregatingService { public AggregatedContent fetch(int id) { ... return new AggregatedContent(...); } } public class AggregatedContent { private Integer id; // 115 private String type; // Pokemon private String content; // Pikachu private Integer nextId; // 116 @aiborisov @mykyta_p
- 55. REST: Controller @GetMapping( value = "/content/{id}", produces = "application/json") public AggregatedContent aggregated(@PathVariable("id") int id) { return aggregatingService.fetch(id); } @aiborisov @mykyta_p
- 56. REST: It’s All About Resources @GetMapping( value = "/content/{id}", produces = "application/json") public AggregatedContent aggregated(@PathVariable("id") int id) { return aggregatingService.fetch(id); } @aiborisov @mykyta_p
- 57. REST: It’s simple http://localhost:8080/content/115 { "id": 115, "content_type": "CRYPTO", "content": "Ethereum", "next_uri": "/content/116" } @aiborisov @mykyta_p
- 59. k8s/pokemon.yaml ... kind: Service metadata: name: rest-pokemon-content-service k8s/aggregator.yaml ... env: - name: datasource_a_url value: "http://rest-pokemon-content-service:8080" REST: Service Discovery @aiborisov @mykyta_p
- 60. k8s/pokemon.yaml ... kind: Service metadata: name: rest-pokemon-content-service k8s/aggregator.yaml ... env: - name: datasource_a_url value: "http://rest-pokemon-content-service:8080" REST: Service Discovery @aiborisov @mykyta_p
- 61. Controllers and POJOs, oh my! public class AggregatedContent { @JsonProperty("id") private Integer id; @JsonProperty("type") private String type; @JsonProperty("content") private String content; @JsonProperty("next_uri") private String nextUri; ... } { "id": 115, "content_type": "Pokemon", "content": "Pikachu", "next_uri": "/content/116" } @aiborisov @mykyta_p
- 62. gRPC: It’s All About APIs @aiborisov @mykyta_p
- 65. Service Definition (aggregator.proto) syntax = "proto3"; service AggregationService { rpc Get(AggregationRequest) returns (AggregationResponse); } @aiborisov @mykyta_p
- 66. Service Definition (aggregator.proto) syntax = "proto3"; service AggregationService { rpc Get(AggregationRequest) returns (AggregationResponse); } message AggregationRequest { int32 item_id = 1; } message AggregationResponse { int32 id = 1; ResponseType type = 2; string content = 3; int32 next_item_id = 4; } enum ResponseType { UNDEFINED = 0; POKEMON = 1; CRYPTO = 2; } @aiborisov @mykyta_p
- 69. Service Definition aggregator.proto AggregationServiceImplBase.java AggregationRequest.java AggregationResponse.java AggregationServiceStub.java AggregationServiceFutureStub.java AggregationServiceBlockingStub.java Service Implementation Request and response Client libraries @aiborisov @mykyta_p gRPC Java Runtime
- 70. Implement gRPC Service public class AggregationService extends AggregationServiceImplBase { @Override public void get(AggregationRequest request, StreamObserver<AggregationResponse> responseObserver) { } } @aiborisov @mykyta_p
- 71. Implement gRPC Service public class AggregationService extends AggregationServiceImplBase { @Override public void get(AggregationRequest request, StreamObserver<AggregationResponse> responseObserver) { } } Generated service class @aiborisov @mykyta_p
- 72. Implement gRPC Service public class AggregationService extends AggregationServiceImplBase { @Override public void get(AggregationRequest request, StreamObserver<AggregationResponse> responseObserver) { } } @aiborisov @mykyta_p
- 73. Implement gRPC Service public class AggregationService extends AggregationServiceImplBase { @Override public void get(AggregationRequest request, public interface StreamObserver<AggregationResponse> responseObserver){{ void onNext(AggregationResponse response); void onCompleted(); void onError(Throwable error); } } } @aiborisov @mykyta_p
- 74. Implement gRPC Service public class AggregationService extends AggregationServiceImplBase { @Override public void get(AggregationRequest request, StreamObserver<AggregationResponse> responseObserver) { AggregationResponse response = AggregationResponse .newBuilder() .setId(request.getItemId()) .setContent("Ethereum") .setType(ResponseType.CRYPTO) .build(); responseObserver.onNext(response); responseObserver.onCompleted(); } } @aiborisov @mykyta_p
- 75. Implement gRPC Service public class AggregationService extends AggregationServiceImplBase { @Override public void get(AggregationRequest request, StreamObserver<AggregationResponse> responseObserver) { AggregationResponse response = AggregationResponse .newBuilder() .setId(request.getItemId()) .setContent("Ethereum") .setType(ResponseType.CRYPTO) .build(); responseObserver.onNext(response); responseObserver.onCompleted(); } } @aiborisov @mykyta_p
- 76. Service Definition (aggregator.proto) syntax = "proto3"; service AggregationService { rpc Get(AggregationRequest) returns (AggregationResponse); } message AggregationRequest { int32 item_id = 1; } message AggregationResponse { int32 id = 1; ResponseType type = 2; string content = 3; int32 next_item_id = 4; } enum ResponseType { UNDEFINED = 0; POKEMON = 1; CRYPTO = 2; } @aiborisov @mykyta_p
- 77. Service Definition (aggregator.proto) syntax = "proto3"; service AggregationService { rpc Get(AggregationRequest) returns (AggregationResponse); } message AggregationRequest { } message AggregationResponse { int32 id = 1; ResponseType type = 2; string content = 3; } enum ResponseType { UNDEFINED = 0; POKEMON = 1; CRYPTO = 2; } @aiborisov @mykyta_p
- 78. Service Definition (aggregator.proto) syntax = "proto3"; service AggregationService { rpc Get(AggregationRequest) returns (AggregationResponse); } message AggregationRequest { } message AggregationResponse { int32 id = 1; ResponseType type = 2; string content = 3; } enum ResponseType { UNDEFINED = 0; POKEMON = 1; CRYPTO = 2; } @aiborisov @mykyta_p
- 79. Service Definition (aggregator.proto) syntax = "proto3"; service AggregationService { rpc Get(AggregationRequest) returns (stream AggregationResponse); } message AggregationRequest { } message AggregationResponse { int32 id = 1; ResponseType type = 2; string content = 3; } enum ResponseType { UNDEFINED = 0; POKEMON = 1; CRYPTO = 2; } @aiborisov @mykyta_p
- 80. Service Definition (aggregator.proto) syntax = "proto3"; service AggregationService { rpc Subscribe(AggregationRequest) returns (stream AggregationResponse); } message AggregationRequest { } message AggregationResponse { int32 id = 1; ResponseType type = 2; string content = 3; } enum ResponseType { UNDEFINED = 0; POKEMON = 1; CRYPTO = 2; } @aiborisov @mykyta_p
- 81. Service Definition (aggregator.proto) syntax = "proto3"; service AggregationService { rpc Subscribe(AggregationRequest) returns (stream AggregationResponse); } message AggregationRequest { } message AggregationResponse { int32 id = 1; ResponseType type = 2; string content = 3; } enum ResponseType { UNDEFINED = 0; POKEMON = 1; CRYPTO = 2; } @aiborisov @mykyta_p
- 84. content.proto syntax = "proto3"; service ContentService { rpc Subscribe(ContentRequest) returns (stream ContentResponse); } message ContentRequest { } message ContentResponse { int32 id = 1; string content = 2; } @aiborisov @mykyta_p
- 85. Streaming gRPC Service public class AggregationService extends AggregationServiceImplBase { private final Collection<ContentServiceStub> contentStubs; public AggregationService(Collection<ContentServiceStub> contentStubs) { this.contentStubs = contentStubs; } ... @aiborisov @mykyta_p
- 86. Streaming gRPC Service public class AggregationService extends AggregationServiceImplBase { @Override public void subscribe(AggregationRequest request,StreamObserver<AggregationResponse> responseObserver) { contentStubs.forEach(stub -> { stub.subscribe(ContentRequest.getDefaultInstance(), new StreamObserver<ContentResponse>() { @Override public void onNext(ContentResponse response) { ... } @Override public void onError(Throwable error) { responseObserver.onError(error); } @Override public void onCompleted() {} }); }); } @aiborisov @mykyta_p
- 87. Streaming gRPC Service public class AggregationService extends AggregationServiceImplBase { @Override public void subscribe(AggregationRequest request,StreamObserver<AggregationResponse> responseObserver) { contentStubs.forEach(stub -> { stub.subscribe(ContentRequest.getDefaultInstance(), new StreamObserver<ContentResponse>() { @Override public void onNext(ContentResponse response) { ... } @Override public void onError(Throwable error) { responseObserver.onError(error); } @Override public void onCompleted() {} }); }); } @aiborisov @mykyta_p
- 88. Streaming gRPC Service public class AggregationService extends AggregationServiceImplBase { @Override public void subscribe(AggregationRequest request,StreamObserver<AggregationResponse> responseObserver) { contentStubs.forEach(stub -> { stub.subscribe(ContentRequest.getDefaultInstance(), new StreamObserver<ContentResponse>() { @Override public void onNext(ContentResponse response) { ... } @Override public void onError(Throwable error) { responseObserver.onError(error); } @Override public void onCompleted() {} }); }); } @aiborisov @mykyta_p
- 89. Streaming gRPC Service public class AggregationService extends AggregationServiceImplBase { @Override public void subscribe(AggregationRequest request,StreamObserver<AggregationResponse> responseObserver) { contentStubs.forEach(stub -> { stub.subscribe(ContentRequest.getDefaultInstance(), new StreamObserver<ContentResponse>() { @Override public void onNext(ContentResponse response) { ... } @Override public void onError(Throwable error) { responseObserver.onError(error); } @Override public void onCompleted() {} }); }); } @aiborisov @mykyta_p
- 90. Streaming gRPC Service public class AggregationService extends AggregationServiceImplBase { @Override public void subscribe(AggregationRequest request,StreamObserver<AggregationResponse> responseObserver) { contentStubs.forEach(stub -> { stub.subscribe(ContentRequest.getDefaultInstance(), new StreamObserver<ContentResponse>() { @Override public void onNext(ContentResponse response) { ResponseType type = typeForStub(stub); int aggregationId = aggregationId(response.getId(), type); AggregationResponse aggrResponse = AggregationResponse.newBuilder() .setContent(response.getContent()).setId(aggregationId). .setType(type).build(); responseObserver.onNext(aggrResponse); } }); }); } @aiborisov @mykyta_p
- 91. Streaming gRPC Service public class AggregationService extends AggregationServiceImplBase { @Override public void subscribe(AggregationRequest request,StreamObserver<AggregationResponse> responseObserver) { contentStubs.forEach(stub -> { stub.subscribe(ContentRequest.getDefaultInstance(), new StreamObserver<ContentResponse>() { @Override public void onNext(ContentResponse response) { ResponseType type = typeForStub(stub); int aggregationId = aggregationId(response.getId(), type); AggregationResponse aggrResponse = AggregationResponse.newBuilder() .setContent(response.getContent()).setId(aggregationId). .setType(type).build(); responseObserver.onNext(aggrResponse); } }); }); } @aiborisov @mykyta_p
- 93. Streaming gRPC Service Src #2 Src #1 Aggr ... Src #X Client Subscribe() @aiborisov @mykyta_p
- 94. Streaming gRPC Service Src #2 Src #1 Aggr ... Src #X Client Subscribe() Subscribe() Subscribe() Subscribe() @aiborisov @mykyta_p
- 96. Streaming gRPC Service Src #2 Src #1 Aggr ... Src #X Client onNext() onNext() @aiborisov @mykyta_p
- 98. Streaming gRPC Service Src #2 Src #1 Aggr ... Src #X Client onNext() onNext() @aiborisov @mykyta_p
- 99. Start gRPC Server ContentServiceStub cryptoClient = ... ContentServiceStub pokemonClient = ... Server grpcServer = NettyServerBuilder.forPort(8080) .addService(new AggregationService(asList(cryptoClient, pokemonClient))) .build().start(); @aiborisov @mykyta_p
- 100. Start gRPC Server ContentServiceStub cryptoClient = ... ContentServiceStub pokemonClient = ... Server grpcServer = NettyServerBuilder.forPort(8080) .addService(new AggregationService(asList(cryptoClient, pokemonClient))) .build().start(); @aiborisov @mykyta_p
- 101. Create gRPC Client String host = System.getenv("crypto_host"); int post = Integer.valueOf(System.getenv("crypto_port")); ManagedChannel cryptoChannel = NettyChannelBuilder.forAddress(host, port).build(); @aiborisov @mykyta_p
- 102. Create gRPC Client String host = System.getenv("crypto_host"); int post = Integer.valueOf(System.getenv("crypto_port")); ManagedChannel cryptoChannel = NettyChannelBuilder.forAddress(host, port).build(); ContentServiceStub cryptoClient = ContentServiceGrpc.newStub(cryptoChannel); @aiborisov @mykyta_p
- 103. Create gRPC Client String host = System.getenv("crypto_host"); int port = Integer.valueOf(System.getenv("crypto_port")); ManagedChannel cryptoChannel = NettyChannelBuilder.forAddress(host, port).build(); ContentServiceStub cryptoClient = ContentServiceGrpc.newStub(cryptoChannel); ContentServiceBlockingStub cryptoBlockingClient = ContentServiceGrpc.newBlockingStub(cryptoChannel); @aiborisov @mykyta_p
- 104. Create gRPC Client tring host = System.getenv("crypto_host"); int port = Integer.valueOf(System.getenv("crypto_port")); ManagedChannel cryptoChannel = NettyChannelBuilder.forAddress(host, port).build(); ContentServiceStub cryptoClient = ContentServiceGrpc.newStub(cryptoChannel); ContentServiceBlockingStub cryptoBlockingClient = ContentServiceGrpc.newBlockingStub(cryptoChannel); ContentServiceFutureStub cryptoFutureClient = ContentServiceGrpc.newFutureStub(cryptoChannel); @aiborisov @mykyta_p
- 105. Service Discovery & Load Balancing String host = System.getenv("crypto_host"); int post = Integer.valueOf(System.getenv("crypto_port")); ManagedChannel cryptoChannel = NettyChannelBuilder.forAddress(host, port).build(); @aiborisov @mykyta_p
- 106. Service Discovery & Load Balancing ManagedChannel cryptoChannel = NettyChannelBuilder.forAddress(host, port).build(); @aiborisov @mykyta_p
- 107. Service Discovery & Load Balancing ManagedChannel cryptoChannel = NettyChannelBuilder.forTarget("crypto") .build(); @aiborisov @mykyta_p
- 108. Service Discovery & Load Balancing ManagedChannel cryptoChannel = NettyChannelBuilder.forTarget("crypto") .nameResolverFactory(new DnsNameResolverProvider()) .loadBalancerFactory(RoundRobinLoadBalancerFactory.getInstance()) .build(); @aiborisov @mykyta_p
- 109. Service Discovery & Load Balancing ManagedChannel cryptoChannel = NettyChannelBuilder.forTarget("crypto") .nameResolverFactory(new MyCustomNameResolverProviderFactory()) .loadBalancerFactory(new MyMoonPhaseLoadBalancerFactory()) .build(); @aiborisov @mykyta_p
- 110. Netty ManagedChannel cryptoChannel = NettyChannelBuilder.forTarget("crypto") .nameResolverFactory(new MyCustomNameResolverProvider()) .loadBalancerFactory(new MyMoonPhaseLoadBalancerFactory()) .build(); @aiborisov @mykyta_p
- 111. Netty + HTTP/2 + Protobuf @aiborisov @mykyta_p
- 112. Netty + HTTP/2 + Protobuf = Performance http://www.grpc.io/docs/guides/benchmarking.html @aiborisov @mykyta_p 8 core VMs, streaming throughput
- 113. Netty + HTTP/2 + Protobuf = Performance http://www.grpc.io/docs/guides/benchmarking.html @aiborisov @mykyta_p 32 core VMs, streaming throughput
- 116. Serverless pay as you go Func Funcinput ... Func input ... input @aiborisov @mykyta_p
- 117. All about resources IDL optional Synchronous by default Unary Perfect fit for serverless All about APIs IDL centric Asynchronous by nature Streaming or Unary Performance first REST gRPC @aiborisov @mykyta_p
- 122. Sample Problem: Voting & Leaderboard Src #2 Src #1 ... Src #X Client Voting Aggr L-board @aiborisov @mykyta_p
- 123. Sample Problem: Voting & Leaderboard Src #2 Src #1 ... Src #X Client Voting Aggr L-board @aiborisov @mykyta_p
- 124. Sample Problem: Voting & Leaderboard Src #2 Src #1 ... Src #X Gateway Voting Aggr L-board @aiborisov @mykyta_p
- 137. Timeouts? Src #2 Src #1 ... Src #X Gateway VotingL-board Aggr 200 ms 2 sec @aiborisov @mykyta_p
- 138. Large Timeouts Gateway Voting L-Board 1,000 ms timeout 1,000 ms timeout 200 ms client timeout @aiborisov @mykyta_p
- 139. Large Timeouts Gateway Voting L-Board 1,000 ms timeout 1,000 ms timeout 200 ms client timeout 50 ms @aiborisov @mykyta_p
- 140. Large Timeouts Gateway Voting L-Board 1,000 ms timeout 1,000 ms timeout 200 ms client timeout 50 ms 400 ms @aiborisov @mykyta_p
- 141. Large Timeouts Gateway Voting L-Board 1,000 ms timeout 1,000 ms timeout 200 ms client timeout 50 ms 400 ms @aiborisov @mykyta_p
- 142. Large Timeouts Gateway Voting L-Board 1,000 ms timeout 1,000 ms timeout 200 ms client timeout 50 ms 400 ms 300 ms @aiborisov @mykyta_p
- 143. Short Timeouts Gateway Voting L-Board 100 ms timeout 100 ms timeout @aiborisov @mykyta_p
- 144. Short Timeouts Gateway Voting L-Board 100 ms timeout 100 ms timeout 2,000 ms client timeout @aiborisov @mykyta_p
- 145. Short Timeouts Gateway Voting L-Board 100 ms timeout 100 ms timeout 2,000 ms client timeout 50 ms @aiborisov @mykyta_p
- 146. Short Timeouts Gateway Voting L-Board 100 ms timeout 100 ms timeout 2,000 ms client timeout 50 ms 400 ms @aiborisov @mykyta_p
- 147. Short Timeouts Gateway Voting L-Board 100 ms timeout 100 ms timeout 2,000 ms client timeout 50 ms 400 ms @aiborisov @mykyta_p
- 148. Short Timeouts Gateway Voting L-Board 100 ms timeout 100 ms timeout 2,000 ms client timeout 50 ms 400 ms @aiborisov @mykyta_p
- 149. gRPC Deadline Propagation Gateway Voting L-Board 200 ms client timeout @aiborisov @mykyta_p
- 150. gRPC Deadline Propagation Gateway Voting L-Board 200 ms client timeout 50 ms @aiborisov @mykyta_p
- 151. gRPC Deadline Propagation Gateway Voting L-Board 200 - 50 ms timeout 200 ms client timeout 50 ms @aiborisov @mykyta_p
- 152. gRPC Deadline Propagation Gateway Voting L-Board 200 - 50 ms timeout 200 ms client timeout 50 ms 400 ms @aiborisov @mykyta_p
- 153. gRPC Deadline Propagation Gateway Voting L-Board 200 - 50 - 400 ms timeout 200 - 50 ms timeout 200 ms client timeout 50 ms 400 ms @aiborisov @mykyta_p
- 154. gRPC Deadline Propagation (Short) Gateway Voting L-Board 200 - 50 - 400 ms timeout 200 - 50 ms timeout 200 ms client timeout 50 ms 400 ms @aiborisov @mykyta_p
- 155. gRPC Deadline Propagation (Large) Gateway Voting L-Board 2,000 - 50 - 400 ms timeout 2,000 - 50 ms timeout 2,000 ms client timeout 50 ms 400 ms 300 ms @aiborisov @mykyta_p
- 163. Zipkin: Traces and Latency @aiborisov @mykyta_p
- 164. Zipkin and gRPC https://github.com/openzipkin/brave/tree/master/instrumentation/grpc URLConnectionSender sender = ... GrpcTracing grpcTracing = GrpcTracing.create(Tracing.newBuilder() .sampler(ALWAYS_SAMPLE).spanReporter(AsyncReporter.create(sender)).build()); @aiborisov @mykyta_p
- 165. Zipkin and gRPC https://github.com/openzipkin/brave/tree/master/instrumentation/grpc URLConnectionSender sender = ... GrpcTracing grpcTracing = GrpcTracing.create(Tracing.newBuilder() .sampler(ALWAYS_SAMPLE).spanReporter(AsyncReporter.create(sender)).build()); ManagedChannel cryptoChannel = NettyChannelBuilder.forAddress(cryptoHost, cryptoPort) .intercept(grpcTracing.newClientInterceptor()) .build(); Server grpcServer = NettyServerBuilder.forPort(8080) .addService(new AggregationService(asList(cryptoClient, pokemonClient))) .intercept(grpcTracing.newServerInterceptor()) .build().start(); @aiborisov @mykyta_p
- 166. Zipkin and gRPC https://github.com/openzipkin/brave/tree/master/instrumentation/grpc URLConnectionSender sender = ... GrpcTracing grpcTracing = GrpcTracing.create(Tracing.newBuilder() .sampler(ALWAYS_SAMPLE).spanReporter(AsyncReporter.create(sender)).build()); ManagedChannel cryptoChannel = NettyChannelBuilder.forAddress(cryptoHost, cryptoPort) .intercept(grpcTracing.newClientInterceptor()) .build(); Server grpcServer = NettyServerBuilder.forPort(8080) .addService(new AggregationService(asList(cryptoClient, pokemonClient))) .intercept(grpcTracing.newServerInterceptor()) .build().start(); @aiborisov @mykyta_p
- 167. Zipkin and REST build.gradle: dependencies { compile 'org.springframework.cloud:spring-cloud-sleuth-zipkin' compile 'org.springframework.cloud:spring-cloud-starter-sleuth' ... application.properties: spring.zipkin.baseUrl=http://zipkin:9411/ # sample 100% spring.sleuth.sampler.percentage=1.0 ... @aiborisov @mykyta_p
- 168. Zipkin : REST and gRPC @aiborisov @mykyta_p
- 171. Explore More? Demo: https://github.com/grpcvsrest http://grpc.io https://github.com/grpc http://www.grpc.io/docs/quickstart/java.html gRPC -Web: https://github.com/grpc/grpc-web gRPC Google group: grpc-io@googlegroups.com REST: http://google.com/search?q=rest @aiborisov @mykyta_p gRPC or REST? iStock.com/RichVintage
- 172. Demo UI is written by Yevgen Golubenko Software Engineer @ Anomali • Twitter: @HalloGene_ • github.com/HalloGene • linkedin.com/in/yevgen-golubenko @aiborisov @mykyta_p
- 174. All about resources Synchronous and unary Simplicity first External fault-tolerance Production ready All about APIs Async and streaming Performance first Built-in fault-tolerance Production ready REST gRPC @aiborisov @mykyta_p
- 175. All about resources Synchronous and unary Simplicity first External fault-tolerance Production ready All about APIs Async and streaming Performance first Built-in fault-tolerance Production ready REST gRPC Be pragmatic, start with your problem! @aiborisov @mykyta_p
- 176. Questions? @aiborisov @mykyta_p Image by https://www.flickr.com/photos/centralasian/. See slide #177 for details.
- 177. Images Used @aiborisov @mykyta_p Slides ##24, 25, 176: https://www.flickr.com/photos/centralasian/5229725173 ● licenced by CC BY 2.0: https://creativecommons.org/licenses/by/2.0/ ● changes were made Slides ##13, 43: https://www.flickr.com/photos/dan4th/2295925353/ ● licenced by CC BY 2.0: https://creativecommons.org/licenses/by/2.0/ ● no changes were made Slides ## 171,173: iStock.com/RichVintage ● https://www.istockphoto.com/legal/license-agreement ● no changes were made