Reducing Go Execution Tracer Overhead With Frame Pointer Unwinding
The Go Execution Tracer (aka runtime/trace) was designed to achieve low enough overhead to be usable on "a server in production serving live traffic". This is achieved by writing events into per-P buffers, using RDTSC for timestamps, and encoding into a relatively efficient binary format. However, one achilles heel has remained since 2014: ... 75% of the overhead is stack unwinding. – Go Execution
Organizing a Go module - The Go Programming Language
A common question developers new to Go have is “How do I organize my Go project?”, in terms of the layout of files and folders. The goal of this document is to provide some guidelines that will help answer this question. To make the most of this document, make sure you’re familiar with the basics of Go modules by reading the tutorial and managing module source. Go projects can include packages, co
Structured Logging with slog - The Go Programming Language
Jonathan Amsterdam 22 August 2023 The new log/slog package in Go 1.21 brings structured logging to the standard library. Structured logs use key-value pairs so they can be parsed, filtered, searched, and analyzed quickly and reliably. For servers, logging is an important way for developers to observe the detailed behavior of the system, and often the first place they go to debug it. Logs therefore
Govulncheck v1.0.0 is released! - The Go Programming Language
Julie Qiu, for the Go security team 13 July 2023 We are excited to announce that govulncheck v1.0.0 has been released, along with v1.0.0 of the API for integrating scanning into other tools! Go’s support for vulnerability management was first announced last September. We have made several changes since then, culminating in today’s release. This post describes Go’s updated vulnerability tooling, an
Spectral Contexts in Go (ファントム型を使った Context)
type UserID string type userIDKey struct{} func GetUserID(ctx context.Context) (UserID, bool) { val, ok := ctx.Value(userIDKey{}).(UserID) return val, ok } func WithUserID(ctx context.Context, userID UserID) { return context.WithValue(ctx, userIDKey{}, userID) } ctx := req.Context() // リクエストの context.Context // JWT などから取り出した User ID を context へセット ctx = WithUserID(ctx, "user-id") // ビジネスロジックで cont
Go Toolchains - The Go Programming Language
Introduction Starting in Go 1.21, the Go distribution consists of a go command and a bundled Go toolchain, which is the standard library as well as the compiler, assembler, and other tools. The go command can use its bundled Go toolchain as well as other versions that it finds in the local PATH or downloads as needed. The choice of Go toolchain being used depends on the GOTOOLCHAIN environment set
Github Actions and Go
TLDR: See cristalhq/.github build workflow and how it can be used cristalhq/jsn Intro I love open source, and also I love Go. So, a few months ago I decided to build the best CI for Go that I could easily reuse across my projects. This post shares the results. Note: Post is based on version v0.5.0 of cristalhq/.github repository. Github Actions You probably know what GitHub Actions are, and becaus
Introducing Service Weaver: A Framework for Writing Distributed Applications
The latest news from Google on open source releases, major projects, events, and student outreach programs. We are excited to introduce Service Weaver, an open source framework for building and deploying distributed applications. Service Weaver allows you to write your application as a modular monolith and deploy it as a set of microservices. More concretely, Service Weaver consists of two core pi
all: add GOOS=wasip1 GOARCH=wasm port · Issue #58141 · golang/go
Background The WebAssembly System Interface (WASI, https://wasi.dev/) is gaining popularity as a compile-once-run-anywhere target for developer and cloud native applications. Many cloud providers are offering services that make it possible to execute WASI directly inside familiar orchestration frameworks like Kubernetes (https://learn.microsoft.com/en-us/azure/aks/use-wasi-node-pools, https://docs
Goモジュールのキャッシュプロキシ「Go module mirror」をSourceHutがブロックへ
コードホスティングサービスであるSourceHutが、Gitサーバーからコードを取得しキャッシュするプロキシの「Go Module Mirror」がネットワーク帯域を使いすぎているという理由で2023年2月24日からブロックする予定であることを発表しました。 SourceHut will blacklist the Go module mirror https://SourceHut.org/blog/2023-01-09-gomodulemirror/ SourceHut to shun Google's Go Module Mirror over greed • The Register https://www.theregister.com/2023/01/10/googles_go_SourceHut/ Googleが開発したプログラミング言語のGoはGitリポジトリからモジュール
Leveraging Golang for Game Development and Operations
Leveraging Golang for Game Development and Operations Hi, my name is Aaron Torres and I’m an engineering manager for the Riot Developer Experience team. We accelerate how game teams across Riot develop, deploy, and operate their backend microservices at scale - globally. I’ve been at the company for a little over 3 years and I’ve been writing Go code that entire time. Prior to joining Riot, I wrot
Your CI pipelines should be code: introducing the Dagger Go SDK - Dagger
Your CI pipelines should be code: introducing the Dagger Go SDK Today we are proud to introduce the Dagger Go SDK: a new way to develop your CI/CD pipelines as code and run them anywhere. The Dagger Go SDK may be a good fit if you are... A Go developer wishing your CI pipelines were Go code that you can run locally in seconds, instead of YAML that can only run on a proprietary service A developer
Go言語でポータブルなCI/CDパイプラインが定義可能に。「Dagger」がGo SDKを発表
CI/CDパイプラインをポータブルにする「Dagger」をGo言語に対応させる「Go SDK」が発表されました。これによりGo言語でどこでも動くポータブルなCI/CDパイプラインの定義が可能になります。 Introducing the Dagger Go SDK: a new way to develop your CI/CD pipelines as code, and run them in containers anywhere. https://t.co/7riHAwUSMO pic.twitter.com/mEwrZySbLp — dagger (@dagger_io) October 25, 2022 CI/CDがローカルPCでもGitHubでもCircleCIでも実行可能 Daggerはソフトウェアのビルド、テスト、デプロイを行う一連のCI/CDパイプラインをポータブルにする
Big Sky :: errors.Join が入った。
errors, fmt: add support for wrapping multiple errors · golang/go@4a0a2b3 · GitHub An error which implements an "Unwrap() []error" method wraps all the non-nil errors in the returned ... https://github.com/golang/go/commit/4a0a2b33dfa3c99250efa222439f2c27d6780e4a Go でエラーを扱う際に、複数のエラーを束ねたい事があります。例えば複数のタスクを実行し、1つでもエラーになれば中断するのではなく、一通りタスクを実施し終えた結果を返したい様なニーズです。 package main import ( "errors" "log" "os"
Go製ミドルウェアのメモリリークを解決した話 - Mirrativ Tech Blog
インフラ・ストリーミングチームの id:udzura （@udzura）です。今回は、Goミドルウェアのメモリリークを見つけて解決する際に、どのようなプロセスを踏んでいったかを解説します。 Go製のミドルウェアの概要 ミラティブでは、Webアプリケーションのみならず、ミドルウェアに相当する部分についても必要なものは内製しています。その中の一つに、社内で「Radisha」と呼んでいる各種集計とキャッシュなどを行うためのミドルウェアがあります。Radishaは以下のような特徴を備えています。 GET、SET、SETEXなど基本的なRedis互換のコマンドを実装している。そのため、既存のRedisクライアントライブラリから操作が可能である。 ランキング集計、一定時間内のアクセス集計などが行えるよう、Redis にない独自のコマンドを実装している。 高い可用性を志向しており、オンメモリのデータは
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GitHub - galecore/xslog: Extension handlers for the slog library
Golang Structured Logging w/ Google Cloud Logging (2)
GitHub - sourcegraph/conc: Better structured concurrency for go
redefining for loop variable semantics · golang/go · Discussion #56010
Release Support for caching dependency files and compiler's build outputs · actions/setup-go
