---
title: "Issue 100: The latest Web operations, scaling, and performance news"
publication: "StatusCode Weekly"
issue: 100
published_at: "2017-01-25"
canonical_url: "https://weekly.statuscode.com/issues/100"
---

WebOps Weekly 100   . 

The latest Web operations, HTTP, and Web performance news -[Read this on the Web](http://webopsweekly.com/issues/100) 

[![WebOps Weekly\](http://webopsweekly.com/images/webops-header.png)](http://webopsweekly.com) Issue 100 — January 25, 2017     

[The Infrastructure Behind Twitter: Scale](https://blog.twitter.com/2017/the-infrastructure-behind-twitter-scale?utm_source=webopsweekly&utm_medium=email) story The challenges Twitter has had to overcome in order to scale some of their key services and network. Mazdak Hashemi [Everything You Need to Know About HTTP Security Headers](https://blog.appcanary.com/2017/http-security-headers.html?utm_source=webopsweekly&utm_medium=email) tutorial A look at what security related headers there are (X-Frame-Options, Public-Key-Pins, etc.) and how and why to use them (or not). Appcanary [GitHub's Post-CSP Journey](https://githubengineering.com/githubs-post-csp-journey/?utm_source=webopsweekly&utm_medium=email) code GitHub reflects on some of the mitigations that came out of their efforts to improve their content security policies and avoid content injection attacks. GitHub Engineering [Don't be afraid to use Docker in production. Here's why.](https://resources.codeship.com/ebooks/docker-production-deployments-aw?utm_medium=cpc-webops-weekly-primary&utm_campaign=cooper-production-deployment-docker-ebook-campaign) Get our free eBook to learn how Docker helps to predictably streamline the deployments to applications across all environments, from development to production. Codeshipsponsored[![\](https://copm.s3.amazonaws.com/e1836f31.png)](https://resources.codeship.com/ebooks/docker-production-deployments-aw?utm_medium=cpc-webops-weekly-primary&utm_campaign=cooper-production-deployment-docker-ebook-campaign) [SHA-1's End Times Have Arrived](https://threatpost.com/sha-1-end-times-have-arrived/123061/?utm_source=webopsweekly&utm_medium=email) news Things are about to get a lot safer on the internet with SHA-2, but there is plenty of work still to be done when it comes to SHA-1 deprecation. Tom Spring [libtls: Rethinking the TLS/SSL API](https://www.youtube.com/watch?v=Wd_dyRbE4AA&utm_source=webopsweekly&utm_medium=email) video A 44 minute talk looking at the many issues with existing TLS/SSL APIs, as well as how [libtls](https://www.libressl.org/) has been designed to be different. Joel Sing [Linkerd Project Joins The Cloud Native Computing Foundation](https://www.linux.com/blog/cncf/2017/linkerd-project-joins-cloud-native-computing-foundation?utm_source=webopsweekly&utm_medium=email) news [Linkerd](https://github.com/linkerd/linkerd) is a service mesh that transparently adds service discovery, load balancing, & failure handling to apps. Linux.​com [The Growing Ecosystem Around Open Networking Hardware](https://code.facebook.com/posts/1241394199239439/the-growing-ecosystem-around-open-networking-hardware/?utm_source=webopsweekly&utm_medium=email) news Several companies have developed solutions around Facebook’s open networking technologies. Facebook Code [How Discord Stores Billions of Messages with Cassandra](https://blog.discordapp.com/how-discord-stores-billions-of-messages-7fa6ec7ee4c7?utm_source=webopsweekly&utm_medium=email#.j169uuvl7) story Discord is a popular chat system for gamers. They started out with MongoDB but here they explain why and how they moved to Cassandra, and how they dealt with a sticky garbage collection issue. Stanislav Vishnevskiy [Netcraft January 2017 Web Server Survey](https://news.netcraft.com/archives/2017/01/12/january-2017-web-server-survey.html?utm_source=webopsweekly&utm_medium=email) news Netcraft’s latest server survey is out. Microsoft takes the largest share of sites, but NGINX saw the strongest growth in the number of servers using it. Netcraft [Understanding the Critical Rendering Path](https://bitsofco.de/understanding-the-critical-rendering-path/?utm_source=webopsweekly&utm_medium=email) tutorial Knowledge of the critical rendering path for Web pages is useful for understanding how a site’s performance can be improved. Ire Aderinokun Jobs [QA Automation Engineer at X-Team (Remote)](https://x-team.com/qa-automation-engineer/?utm_source=newsletter&utm_medium=email&utm_campaign=web-ops-january-17) We're looking for a QA Automation Engineer with an extensive knowledge of automation frameworks. We are 100% remote and we provide the funding needed to help you achieve your goals and grow. X-Team In brief [Introducing Docker 1.13](https://blog.docker.com/2017/01/whats-new-in-docker-1-13/?utm_source=webopsweekly&utm_medium=email) news Builds upon Docker 1.12’s swarm mode, plus lots of other fixes. Docker Core Engineering [GitLab 8.16 Released with Auto Deploy on Google Container Engine](https://about.gitlab.com/2017/01/22/gitlab-8-16-released/?utm_source=webopsweekly&utm_medium=email) news gitlab.​com [Cisco to Buy AppDynamics for $3.7 Billion](http://www.reuters.com/article/us-appdynamics-m-a-cisco-systems-idUSKBN15903Q?utm_source=webopsweekly&utm_medium=email) news Reuters [Amazon EC2 Container Service Supports Docker 1.12](https://aws.amazon.com/about-aws/whats-new/2017/01/amazon-ec2-container-service-supports-docker-1-12-and-ability-to-add-attributes-during-instance-boot/?utm_source=webopsweekly&utm_medium=email) news Amazon Web Services [Announcing etcd 3.1](https://coreos.com/blog/etcd-3-1-announcement.html?utm_source=webopsweekly&utm_medium=email) news New to 3.1 is a smart gRPC proxy for offloading client requests away from the core cluster. CoreOS [Linode Cloud Hosting brings unmatched virtual performance at great prices.](https://welcome.linode.com/webopsweekly/?utm_source=cooperpress&utm_medium=email&utm_term=webops-weekly&utm_campaign=webops-weekly-sponsored) tools Get full root access on any Linux distribution you want for only $10 per month, all with SSD storage included. Linodesponsored [One Way to Save ~20% File Size for Round Avatars](https://medium.com/@VUTUV/save-20-file-size-for-round-avatars-c8f5df7ef30e?utm_source=webopsweekly&utm_medium=email) tutorial VUTUV [7 Tips To Optimize AWS Cloud Cost](https://medium.com/@PatrickHQ/7-tips-to-optimize-aws-cloud-cost-9679eb200329?utm_source=webopsweekly&utm_medium=email) tutorial Patrick R [Setting a Baseline for Web Security Controls](https://blog.mozilla.org/security/2017/01/25/setting-a-baseline-for-web-security-controls/?utm_source=webopsweekly&utm_medium=email) story tools The techniques Mozilla uses to implement baseline scans in their infrastructure. Simon Bennetts [Going IPv6-Only at Microsoft](https://blog.apnic.net/2017/01/19/ipv6-only-at-microsoft/?utm_source=webopsweekly&utm_medium=email) story The goal is to simplify their network operations. Marcus Keane [How a Docker 0-Day Vulnerability Was Stopped by SELinux](http://rhelblog.redhat.com/2017/01/13/selinux-mitigates-container-vulnerability/?utm_source=webopsweekly&utm_medium=email) story Red Hat [Making The Move From Scala to Go, and Why We're Not Going Back](https://movio.co/blog/migrate-Scala-to-Go/?utm_source=webopsweekly&utm_medium=email) opinion Mariano Gappa [Running Production PostgreSQL Systems on ARM Architecture](http://www.cybertec.at/running-production-postgresql-systems-on-arm-architecture/?utm_source=webopsweekly&utm_medium=email) opinion A whitepaper exploring if PostgreSQL on ARM is a viable option for your next project. Kaarel Moppel [Monitor web app performance in real-time](https://www.datadoghq.com/lpg/?utm_source=Advertisement&utm_medium=CooperPress&utm_campaign=CooperPress-WebOpsWeekly) tools Set sophisticated alerts on app performance. Correlate with metrics from load balancers, databases, and more. Datadogsponsored [Azure in Plain English](https://www.expeditedssl.com/azure-in-plain-english?utm_source=webopsweekly&utm_medium=email) tools A handy cheat sheet with explainers of all the available services in Microsoft’s growing Azure ecosystem. ExpeditedSSL [faas: Functions as a Service (on Docker Swarm)](https://github.com/alexellis/faas?utm_source=webopsweekly&utm_medium=email) code Alex Ellis    [Read this issue on the Web](http://webopsweekly.com/issues/100) [See our archives](http://webopsweekly.com/issues) [Change your email address](*|UPDATE_PROFILE|*)  [Stop getting this newsletter](*|UNSUB|*)  

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