Error handling
Error handlingHow gRPC deals with errors, and gRPC error codes. Standard error modelAs you’ll have seen in our concepts document and examples, when a gRPC call completes successfully the server returns an OK status to the client (depending on the language the OK status may or may not be directly used in your code). But what happens if the call isn’t successful? If an error occurs, gRPC returns one
Protocol Buffers(proto3)でoptionalをどう扱うか - Qiita
2021.4.14 追記 proto3で削除されたoptionalですがv3.15(experimentalオプションを利用する場合はv3.12)から正式に実装されたため、それ以降のバージョンを利用する場合は素直にoptionalを利用してもらうのがいいと思います！ https://github.com/protocolbuffers/protobuf/releases/tag/v3.15.0 Protocol Buffersはproto3でrequiredとoptionalが削除されました。 そもそも削除された経緯に関しては、@qsonaさんのエントリーにて、分かりやすくまとめて下さっています。 そこで課題になるのが、proto3において各フィールドは全てデフォルト値を持つため、デフォルト値が設定されたフィールドが利用側から 1. 意図的にセットされたデフォルト値と同様の値 2. 存在し
gRPC-Web is going GA
On behalf of the Cloud Native Computing Foundation, I’m excited to announce the GA release of gRPC-Web, a JavaScript client library that enables web apps to communicate directly with backend gRPC services, without requiring an HTTP server to act as an intermediary. This means that you now easily build truly end-to-end gRPC application architectures by defining your client- and server-side data typ
Go+Microservices at Mercari
Go+Microservices at Mercari Go Conference 2017 Autumn 5 November 2017 Taichi Nakashima About me @deeeet / @tcnksm (GitHub) http://deeeet.com SRE at Mercari, Inc. Microservices platform & machine learning platform 2 Go 언어 실전 테크닉 22,000원 3 TL;DR How do we use Go (+gRPC) for microservices. 4 Microservices at Mercari Background One large PHP monolith Single repository for 3 regions (JP, US and UK) Cha
gRPC in Production
Liveblog by Beyang Liu (@beyang) Alan Shreve is an hacker, entrepreneur and creator of ngrok.com. ngrok is the best way to connect expose services behind a NAT or firewall to the internet for demos, webhook development and IoT connectivity. Today, he's giving us a whirlwind tour of gRPC and how to use it in your production web service. Q: How do Microservices talk to each other? A: SOAP. Just kidd
ProfaneDB
Protobuf defines your schema You alredy defined your models in Protobuf. Why should you to do it again to store them in your database? Based on RocksDB ProfaneDB doesn't want to reinvent the wheel. It uses RocksDB for great performance, the simplest way possible. gRPC interface ProfaneDB is written in C++, but can be used from any language that supports gRPC. It just needs your schema, and there i
HTTP2 and gRPC
gRPC is a modern open source RPC framework that enables client and server applications to communicate transparently. It is based on HTTP/2 for its transport mechanism and Protocol Buffers as its interface definition language. Some benefits of gRPC include being fast due to its use of HTTP/2, supporting multiple programming languages, and enabling server push capabilities. However, it also has some
gRPC Load Balancing
This post describes various load balancing scenarios seen when deploying gRPC. If you use gRPC with multiple backends, this document is for you. A large scale gRPC deployment typically has a number of identical back-end instances, and a number of clients. Each server has a certain capacity. Load balancing is used for distributing the load from clients optimally across available servers. Why gRPC?g
Envoy: C++ L7 proxy and communication bus
Envoy Tweet Docs C++ L7 proxy and communication bus Envoy is an open source edge and service proxy, from the developers at Lyft Out of process architecture Envoy is a self contained server. It runs alongside any application language or framework. At Lyft we currently use it to proxy for PHP, Python, Go, Java, and C++. HTTP/2 Envoy has first class support for HTTP/2 for both incoming and outgoing c
gRPC Motivation and Design Principles
By Louis Ryan (Google) | Tuesday, September 08, 2015 MotivationGoogle has been using a single general-purpose RPC infrastructure called Stubby to connect the large number of microservices running within and across our data centers for over a decade. Our internal systems have long embraced the microservice architecture gaining popularity today. Having a uniform, cross-platform RPC infrastructure ha
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