#195: Go 1.9.3 Released

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Golang Weekly 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. Go 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  Golang Weekly is curated by Peter Cooper and Glenn Goodrich Read this issue on the Web See our archives Change your email address Stop getting this newsletter Published by Cooperpress Fairfield Enterprise Centre, Lincoln Way, Louth, LN11 0LS, UK