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Migrating Critical Traffic At Scale with No Downtime?—?Part 1

The Netflix TechBlog

This blog series will examine the tools, techniques, and strategies we have utilized to achieve this goal. In this testing strategy, we execute a copy (replay) of production traffic against a system’s existing and new versions to perform relevant validations. This approach has a handful of benefits.

Traffic 339
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Interactive Learning Tools For Front-End Developers

Smashing Magazine

Flexbox Defense is a play on the ‘tower defense’ strategy game genre that teaches you flexbox through 12 challenges where you have to use flexbox syntax to stop incoming enemies from getting past your defenses. CSS Selectors Cheatsheet is an interactive exercise to test your understanding of CSS selectors. Flexbox Defense.

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Seamlessly Swapping the API backend of the Netflix Android app

The Netflix TechBlog

Over the course of this post, we will talk about our approach to this migration, the strategies that we employed, and the tools we built to support this. This allows the app to query a list of “paths” in each HTTP request, and get specially formatted JSON (jsonGraph) that we use to cache the data and hydrate the UI.

Latency 233
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Bring Your Own Cloud (BYOC) vs. Dedicated Hosting at ScaleGrid

Scalegrid

In this post, we compare ScaleGrid’s Bring Your Own Cloud (BYOC) plan vs. the standard Dedicated Hosting model to help you determine the best strategy for your MySQL, PostgreSQL, Redis™ and MongoDB® database deployment. Both AWS EC2 instances and Azure VM instances are available as Reserved Instances, and can be used through the BYOC plan.

Cloud 242
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Fixing a slow site iteratively

CSS - Tricks

With all of this in mind, I thought improving the speed of my own version of a slow site would be a fun exercise. The code for the site is available on GitHub for reference. Compressing, minifying and caching assets. Ilya Grigorik wrote an excellent article with strategies for compressing text-based assets. Lighthouse.

Cache 92
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Trade-offs under pressure: heuristics and observations of teams resolving internet service outages (Part II)

The Morning Paper

The shop had been closed so no data was available. In this study, the diagnosis and resolution of an outage in a global Internet service, Etsy.com, was explored in an effort to uncover which cognitive strategies (specifically, heuristics) are used by engineers as they work to bring the service back to a stable state.

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Taiji: managing global user traffic for large-scale Internet services at the edge

The Morning Paper

Sharing is caring caching. Taiji’s routing table is a materialized representation of how user traffic at various edge nodes ought to be distributed over available data centers to balance data center utilization and minimize latency. Our solver employs a local search algorithm using the “best single move” strategy.

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