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Improving our video encodes for legacy devices

The Netflix TechBlog

we announced our intention to stream video over 13 years ago, in January 2007?—?and In addition, footprint savings will allow more content to be stored in edge caches, thus contributing to an improved experience for our members. and have only increased both our device and content reach since then.

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The Surprising Effectiveness of Non-Overlapping, Sensitivity-Based Performance Models

John McCalpin

This data is from the 2007 presentation. It is not surprising that there is a lot of scatter, but the factor of four range in Peak MFLOPS at fixed SPECfp_rate2000/core and the factor of four range in SPECfp_rate2000/core at fixed Peak MFLOPS was higher than I expected… (Also from the 2007 presentation.)

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InnoDB Performance Optimization Basics

Percona

This blog is in reference to our previous ones for ‘Innodb Performance Optimizations Basics’ 2007 and 2013. By caching hot datasets, indexes, and ongoing changes, InnoDB can provide faster response times and utilize disk IO in a much more optimal way. have been released since then with some major changes.

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New (Old) Paper.

n0derunner

A 2007 paper, that still has lots to say on the subject of benchmarking storage and filesystems. Use a mix of macro and micro benchmarks Understand what you are testing, cached results are fine – as long as that is what you had intended. A Nine year study of filesystem and storage benchmarking Download.

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AB Testing?—?So You Know What Really Works

Adrian Cockcroft

picture by Adrian When I joined Netflix in 2007 I was managing a team that built the personalized home page for the DVD shipping web site. AB Testing?—?So So You Know What Really Works ??Castillo Castillo San Cristo?bal?, The first thing I found was that every user visible change we made went through an A/B test.

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How To Measure the Working Set Size on Linux

Brendan Gregg

Short durations can be useful for understanding how well a WSS will fit into the CPU caches (L1/L2/L3, TLB L1/L2, etc). In this case, 28 Mbytes is a little larger than the LLC for this CPU, so may not cache so well (in a single LLC, anyway, and based on this single measurement). Why did I use a 100 ms interval? 16.570 403.66

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Is Intel Doomed in the Server CPU Space?

SQL Performance

From 2007 until 2016, Intel was able to successfully execute their Tick-Tock release strategy, where they would introduce a new processor microarchitecture roughly every two years (a Tock release). They will also have up to 256MB of L3 cache per processor. So, what has changed my mind? The Death of Tick-Tock.

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