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Interpreting A/B test results: false negatives and power

The Netflix TechBlog

Martin Tingley with Wenjing Zheng , Simon Ejdemyr , Stephanie Lane , and Colin McFarland This is the fourth post in a multi-part series on how Netflix uses A/B tests to inform decisions and continuously innovate on our products. Need to catch up? Have a look at Part 1 (Decision Making at Netflix), Part 2 (What is an A/B Test?),

Testing 202
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MezzFS?—?Mounting object storage in Netflix’s media processing platform

The Netflix TechBlog

We are constantly innovating on video encoding technology at Netflix, and we have a lot of content to encode. Video encoding is what MezzFS was originally designed for and remains one of its canonical use cases, so we’ll focus on video encoding to describe the problem that MezzFS solves. What problem are we solving?

Media 214
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Scaling Amazon ElastiCache for Redis with Online Cluster Resizing

All Things Distributed

Redis's microsecond latency has made it a de facto choice for caching. Four years ago, as part of our AWS fast data journey, we introduced Amazon ElastiCache for Redis , a fully managed, in-memory data store that operates at microsecond latency. At Amazon, we have always focused on innovating on behalf of the customer.

Games 112
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Good Management Can Work Miracles

The Agile Manager

In the 1970s it spawned tremendous innovation in personal computing technology. From those innovations came products, solutions, and even categories that didn’t previously exist. Bright people were inventing and innovating, but nobody was there to monetise their work.

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A Decade of Dynamo: Powering the next wave of high-performance, internet-scale applications

All Things Distributed

Today marks the 10 year anniversary of Amazon's Dynamo whitepaper , a milestone that made me reflect on how much innovation has occurred in the area of databases over the last decade and a good reminder on why taking a customer obsessed approach to solving hard problems can have lasting impact beyond your original expectations.

Internet 128
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Amazon EC2 Cluster GPU Instances - All Things Distributed

All Things Distributed

Today Amazon Web Services takes another step on the continuous innovation path by announcing a new Amazon EC2 instance type: The Cluster GPU Instance. We believe that making these GPU resources available for everyone to use at low cost will drive new innovation in the application of highly parallel programming models. Comments ().

AWS 136