---
title: "Issue 89: The latest Web operations, scaling, and performance news"
publication: "StatusCode Weekly"
issue: 89
published_at: "2016-10-26"
canonical_url: "https://weekly.statuscode.com/issues/89"
---

WebOps Weekly 89   . 

The latest Web operations, HTTP, and Web performance news -[Read this on the Web](http://webopsweekly.com/issues/89) 

[![WebOps Weekly\](http://webopsweekly.com/images/webops-header.png)](http://webopsweekly.com) Issue 89 — October 26, 2016     

[Be Afraid Of HTTP Public Key Pinning (HPKP)](https://www.smashingmagazine.com/be-afraid-of-public-key-pinning/?utm_source=webopsweekly&utm_medium=email) tutorial A look at an issue with HTTP Public Key Pinning that made Smashing Magazine unavailable to many visitors for several days. This could affect you too. Mathias Biilmann Christensen [The Dyn DNS Attack: What It Means, 'Who Did It?' and How To Deal](http://blog.easydns.org/2016/10/24/the-dns-attack-what-it-means-who-did-it-and-how-to-deal/?utm_source=webopsweekly&utm_medium=email) news A roundup of last Friday’s DNS attack which made numerous popular sites unavailable across the US. Mark Jeftovic [Scaling to 100,000s of Persistent Connections on One Machine at LinkedIn](https://engineering.linkedin.com/blog/2016/10/instant-messaging-at-linkedin--scaling-to-hundreds-of-thousands-?utm_source=webopsweekly&utm_medium=email) story The story of how LinkedIn has used Akka and its actor model along with Server-Sent Events to build out a powerful IM system for its users. LinkedIn [Is Your Redis Using Too Much Memory?](http://www.redisgreen.net/2/index.html?utm_source=webopsweekly&utm_medium=email&utm_campaign=2016c&utm_content=primary&utm_term=too_much_memory) RedisMonitor reduces Redis memory usage and saves money by finding large keys, memory leaks, and more. No credit card is required to try it out! Redisgreensponsored[![\](https://copm.s3.amazonaws.com/34e5b974.png)](http://www.redisgreen.net/2/index.html?utm_source=webopsweekly&utm_medium=email&utm_campaign=2016c&utm_content=primary&utm_term=too_much_memory) [Chrome to Require 'Certificate Transparency' in 2017](https://groups.google.com/a/chromium.org/d/msg/ct-policy/78N3SMcqUGw/ykIwHXuqAQAJ?utm_source=webopsweekly&utm_medium=email) news The Chrome team has announced plans that publicly trusted site certificates issued in Oct 2017 or later will be expected to comply with Chrome’s Certificate Transparency policy in order to be trusted by Chrome. Ryan Sleevi [How We Deploy At npm, Inc.](http://blog.npmjs.org/post/152035356435/how-we-deploy-at-npm?utm_source=webopsweekly&utm_medium=email) story A look at how the team behind the npm Node package management service deploy code (it’s a simple `git push` on the surface, but a lot happens behind that). The npm Blog [Getting Teraflops Out of AWS Lambda from Python](https://github.com/ericmjonas/pywren?utm_source=webopsweekly&utm_medium=email) code PyWren makes it easy to dispatch small tasks to Lambda from Python with the promise of reaching TFLOPS levels of performance. Eric Jonas [Why CTOs are Warming Up to Microservices](http://thenewstack.io/ctos-warming-microservices/?utm_source=webopsweekly&utm_medium=email) opinion Microservices, as an architectural approach, can act as a stepping stone to moving to cloud platforms. Chris Latimer [Web Bloat Score Calculator](http://www.webbloatscore.com/?utm_source=webopsweekly&utm_medium=email) tools An interesting approach: This tool measures a page’s weight vs. the size of a screenshot of the same page. TestDome [An Overview of TLS 1.3 - Faster and More Secure](https://kinsta.com/blog/tls-1-3/?utm_source=webopsweekly&utm_medium=email) news TLS 1.3 is a new encryption protocol update that is both faster, reducing HTTPS overhead, and more secure than TLS 1.2. Brian Jackson [Why Crawl Budget & URL Scheduling Might Impact Rankings in Site Migrations](http://searchengineland.com/crawl-budget-url-scheduling-might-impact-rankings-website-migrations-255624?utm_source=webopsweekly&utm_medium=email) Dawn Anderson Jobs [Site Reliability Engineer at VividCortex (VA/Uruguay/Remote)](https://www.vividcortex.com/about-us/careers/) Take the lead in helping us operate, troubleshoot, and improve the platform that ingests, secures, and analyzes the massive amounts of database performance data. Our platform is written in Go and hosted on the AWS cloud. VividCortex [Don't Get Frustrated - Get Hired](http://hired.com/?utm_source=newsletters&utm_medium=petercooperpress&utm_campaign=q4-16-webopsweekly) Sick of pushy recruiters, and dead end interviews? Try Hired to hear from top tier companies, and only talk to relevant companies. Hired In brief [Announcing .NET Core 1.1 Preview 1](https://blogs.msdn.microsoft.com/dotnet/2016/10/25/announcing-net-core-1-1-preview-1/?utm_source=webopsweekly&utm_medium=email) news Microsoft [Chrome Dev Summit: Join Us Nov. 10-11 in San Francisco or via Livestream](https://developer.chrome.com/devsummit/#notifications) news Chrome Dev Summit is coming to San Francisco, CA on Nov. 10 and 11! [RSVP](https://events.withgoogle.com/chrome-dev-summit-2016/registrations/new/) with code WEBOPSWEEKLY or [sign up](https://services.google.com/fb/forms/cds2016/) for [livestream updates](https://developer.chrome.com/devsummit/#notifications). Google Inc.​ sponsored [An Advanced Elasticsearch Architecture for High-Volume Reindexing](https://thoughts.t37.net/abusing-an-innocent-elasticsearch-cluster-for-a-mass-reindex-without-disturbing-your-clients-360384fca105?utm_source=webopsweekly&utm_medium=email#.ojk749rhu) tutorial _“..a new and funny way to play with Elasticsearch to reindex a production cluster without disturbing our clients.”_ Fred de Villamil [Operations for Software Developers for Beginners](https://jvns.ca/blog/2016/10/15/operations-for-software-developers-for-beginners/?utm_source=webopsweekly&utm_medium=email) tutorial _“A few years ago I had no idea what ‘operations’ was. Now I know a tiny bit more about it so I want to write down what I’ve figured out.”_ Julia Evans [Are Your Microservices Optimized for Speed?](http://techbeacon.com/are-your-microservices-optimized-speed?utm_source=webopsweekly&utm_medium=email) tutorial How to manage changes as the number of dependencies within your microservices architecture expands. Christian Posta [How To Survive A DNS DDoS Attack - Consider Using Multiple DNS Providers](https://www.internetsociety.org/blog/tech-matters/2016/10/how-survive-dns-ddos-attack-consider-using-multiple-dns-providers?utm_source=webopsweekly&utm_medium=email) tutorial Dan York [How A Developer Service is Spinning up AWS Infrastructure for Users 80% Faster](http://blog.runnable.com/post/152291441606/how-were-spinning-up-our-aws-infrastructure-80?utm_source=webopsweekly&utm_medium=email) tutorial Henry Mollman [Download 'Intelligent Caching' from O'Reilly - Free eBook](https://vault.stackpath.com/download-intelligent-caching?utm_source=coppermedia&utm_campaign=oreilly-intelligent-caching&utm_medium=email) tutorial Learn best practices for scaling the frontend in this exclusive ebook for webops and performance teams. StackPathsponsored [Normalizing Communication in A Microservice Architecture](https://blog.snappi.io/normalizing-communication-in-a-microservice-architecture-1b5c71217ef5?utm_source=webopsweekly&utm_medium=email) story The first in a series discussing the standardization of microservice development. David Thor [The Myth of the Root Cause: How Complex Web Systems Fail](http://blog.scalyr.com/2016/10/the-myth-of-the-root-cause/?utm_source=webopsweekly&utm_medium=email) story Mathias Lafeldt [How Squarespace are Implementing SSL/TLS for All Their Customers' Sites](https://engineering.squarespace.com/blog/2016/implementing-ssl-tls-for-all-squarespace-sites?utm_source=webopsweekly&utm_medium=email) story Squarespace Engineering [Building A Bank with Kubernetes](https://skillsmatter.com/skillscasts/9146-building-a-bank-with-kubernetes?utm_source=webopsweekly&utm_medium=email) video How Monzo, a new UK-based startup bank, are building a micro-services core banking platform, and how Kubernetes enables it. [Associated slides here](https://community.monzo.com/t/building-a-bank-with-kubernetes-presentation-tv/6434). Monzo [The Future Tidal Wave of Mobile Video: 2015-2020](http://highscalability.com/blog/2016/10/20/future-tidal-wave-of-mobile-video.html?utm_source=webopsweekly&utm_medium=email) opinion Brief analysis of the growing trend of mobile-accessed video and how it’ll impact the underlying infrastructure. High Scalability [3 Pros and 3 Cons of Working with Docker Containers](http://sweetcode.io/3-pros-3-cons-working-docker-containers/?utm_source=webopsweekly&utm_medium=email) opinion Chris Tozzi [Flynn: An Open Source PaaS That Handles Ops for Developers](https://flynn.io/?utm_source=webopsweekly&utm_medium=email) tools Prime Directive    [Read this issue on the Web](http://webopsweekly.com/issues/89) [See our archives](http://webopsweekly.com/issues) [Change your email address](*|UPDATE_PROFILE|*)  [Stop getting this newsletter](*|UNSUB|*)  

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