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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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MySQL Capacity Planning

Percona

Global caches like the InnoDB buffer pool and MyISAM key cache and session-level caches like the sort buffer, join buffer, random read buffer, etc. Global memory caches are static in size as they are defined solely by the configuration of the database itself. Do these queries use more caches?

Traffic 87
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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. This becomes really important for cache solutions like Redis™. What is ScaleGrid’s Bring Your Own Cloud 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. In that spirit, what we’re looking at in this article is focused more on the incremental wins and less on providing an exhaustive list or checklist of performance strategies. Compressing, minifying and caching assets.

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

The Morning Paper

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.