Golang Weekly Issue 195: January 25, 2018

Issue 195 — January 25, 2018

Featured

How A Fix in Go 1.9 Sped Up GitLab's RPC Service by 30x

GitLab uncovered an issue with fork locking affecting virtual memory size. Here’s how they figured out the problem and a fix for it.

GitLab

Announcing dep v0.4.1, Now With Documentation

A minor level release doesn’t sound like a big deal, right? Wrong. The dependency management tool for Go is really growing up and has an official site and online docs now.

Sam Boyer

Go 1.9.3 Released

A minor release with fixes to the compiler, runtime, and the database/sql, math/big, net/http, and net/url packages.

Redis 4.0 with HA from RedisGreen

Try Redis 4.0 with HA and memory analysis features from RedisGreen.

RedisGreen sponsored

memmap: Visualize Data Structures using Graphviz

Turns arbitrary data into more easily understood graphs. See the test file for how to use it.

Bradley Kemp

Is Concurrency Slower?

No, but there are ways to ensure you’re getting the most out of Go’s concurrency offerings and not stepping on your own goroutines.

Pocket Gophers

Isomorphic Go: Using Go on Both the Front and Back-End?

This is promoting a book but there’s also a talk you can watch.

Kamesh Balasubramanian

An HTTP Router Shim for Go Projects Running on AWS Lambda

This allows you to write regular HTTP Handlers that are fronted by API Gateway and hosted on AWS Lambda.

Joe Feeney

Jobs

Technical Writer (Full Time / Part Time / Remote)

Do you like writing for a technical audience? Looking for a bit of extra income, a part-time or a full time role, drop us a line.

Raygun

Looking for a Job at a Company That Prioritizes Go?

Try Vettery and we’ll connect you directly with thousands of companies looking for talented back-end devs.

Vettery

In Brief

An Update on Go's Support for WebAssembly (WASM) news

Richard Musiol

Learn How Codeship Re-Modeled Their Whole Go Codebase

Codeship sponsored

Escape-Analysis Flaws tutorial

Five escape-analysis flaws in the 1.9 Go compiler analyzed with examples.

William Kennedy

Packing Multiple Binaries in a Go Package tutorial

Ilija Eftimov

Porting Go Webapps to AWS Lambda tutorial

It’s way easier than I expected.

Artem Krylysov

Building a Go GraphQL API on AWS Lambda tutorial

Pedro Fernando Marquez Soto

Improving Latency by 700% Using sync.Pool tutorial

It’s not easy and it involves reference counting, but it could be worth it.

Akshay Deo

Creating a URL Shortener API with the Goa Framework tutorial

Goa is a “holistic” approach to building services that uses a DSL and code generation to create the API with matching Swagger documentation.

Ryan McCue

Two Ways of Merging a Number of Channels into One video

Francesc Campoy

High Performance Go video

A talk from QConSF 2017.

Dave Cheney

Live Face Detection in Go using OpenCV and MachineBox video

Alex Pliutau

The Doors Go Has Opened opinion

If you want to feel even better about being a Go developer, read this.

Aaron Schlesinger

Telegraf: The Open Source Go Collection Agent

InfluxData sponsored

JSON-to-Go: Convert JSON to a Go Type Definition Instantly tools

mholt.github.io

GoCV Version 0.8.0: Improved Computer Vision for Go tools

Adds support for Tensorflow and the Intel Computer Vision SDK.

GoCV

Commandeer: Automatically Sets Up Command Line Flags code

The flags are based on struct fields and their tags.

Matthew Jaffee

Supercronic: Cron for Containers code

crontab-compatible and written in Go.

Aptible

aws-lambda-go-proxy: Pass Lambda Events to an App Running Elsewhere code

Such as if you want to work on your functions locally at first.

Marcin Tojek

Easily Scale Your Go Apps, In Seconds - $100 Credit On Us

DigitalOcean sponsored