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Building Netflix’s Distributed Tracing Infrastructure

The Netflix TechBlog

Investigating a video streaming failure consists of inspecting all aspects of a member account. Troubleshooting a session in Edgar When we started building Edgar four years ago, there were very few open-source distributed tracing systems that satisfied our needs. which is difficult when troubleshooting distributed systems.

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Sustainability Talks and Updates from AWS re:Invent 2023

Adrian Cockcroft

I’m posting this on the Sunday before re:Invent, and will update as I find out more during the week… Sustainability Track Sessions and Workshops What follows are the catalog descriptions of the talks, after I’ve watched the videos I’ll update this post with my own commentary. AWS speaker: T.

AWS 52
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Unlocking the Secrets of TOAST: How To Optimize Large Column Storage in PostgreSQL for Top Performance and Scalability

Percona

PostgreSQL is a fantastic database, but if you’re storing images, video, audio files, or other large data objects, you need to “toast” them to get optimal performance. This process is done automatically and does not significantly impact how the database is used. Thus, you can use less disk space.

Storage 92
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Lerner?—?using RL agents for test case scheduling

The Netflix TechBlog

Netflix engineers run a series of tests and benchmarks to validate the device across multiple dimensions including compatibility of the device with the Netflix SDK, device performance, audio-video playback quality, license handling, encryption and security. Detect a regression in a test case.

Testing 163
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Progress Delayed Is Progress Denied

Alex Russell

Apple Corporate is at fault, not Open Source engineers or the line managers who support them. Next-generation video codecs, supported in many modern chips, but also a licensing minefield. The open, royalty-free codec AV1 has been delivered instead. Fundamentally enabling for video creation apps. getUserMedia().

Media 145
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Netflix Video Quality at Scale with Cosmos Microservices

The Netflix TechBlog

Moorthy and Zhi Li Introduction Measuring video quality at scale is an essential component of the Netflix streaming pipeline. Perceptual quality measurements are used to drive video encoding optimizations , perform video codec comparisons , carry out A/B testing and optimize streaming QoE decisions to mention a few.

Media 171
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MongoDB Best Practices: Security, Data Modeling, & Schema Design

Percona

Note that the intent of tuning the settings is not exclusively about improving performance but also enhancing the high availability and resilience of the MongoDB database. The Linux default is usually 60 , which is not ideal for database usage. Spoiler alert: This post focuses on MongoDB 3.6.X