Tue.Sep 10, 2024

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Noisy Neighbor Detection with eBPF

The Netflix TechBlog

By Jose Fernandez , Sebastien Dabdoub , Jason Koch , Artem Tkachuk The Compute and Performance Engineering teams at Netflix regularly investigate performance issues in our multi-tenant environment. The first step is determining whether the problem originates from the application or the underlying infrastructure. One issue that often complicates this process is the "noisy neighbor" problem.

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How Can the Scalability of MySQL Be Improved for BenchmarkSQL TPC-C Testing?

DZone

Current State of MySQL 5.7 MySQL 5.7 is not ideal in terms of scalability. The following figure illustrates the relationship between TPC-C throughput and concurrency in MySQL 5.7.39 under a specific configuration. This includes setting the transaction isolation level to Read Committed and adjusting the innodb_spin_wait_delay parameter to mitigate throughput degradation.

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Pushy to the Limit: Evolving Netflix’s WebSocket proxy for the future

The Netflix TechBlog

By Karthik Yagna , Baskar Odayarkoil , and Alex Ellis Pushy is Netflix’s WebSocket server that maintains persistent WebSocket connections with devices running the Netflix application. This allows data to be sent to the device from backend services on demand, without the need for continually polling requests from the device. Over the last few years, Pushy has seen tremendous growth, evolving from its role as a best-effort message delivery service to be an integral part of the Netflix ecosystem.

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What’s New at ScaleGrid – September 2024

Scalegrid

At ScaleGrid, we’re always pushing the boundaries to offer more flexibility and scalability to our customers. Over the past few months, our releases have introduced several exciting updates, with a strong focus on geography and cloud expansion. Here’s what you need to know: AWS Outposts & Philadelphia Local Zone Support Our customers asked, and we listened.

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How to Migrate a Production Database to Percona Everest (MySQL) Using Clone

Percona

This long article aims to provide you with the instructions and tools to migrate your production database from your current environment to a solution based on Percona Everest (MySQL). Nice. You decided to test Percona Everest and found that it is the tool you were looking for to manage your private DBaaS.

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Quick Hit #18

CSS - Tricks

PSA: Today’s the day that Google’s performance tools officially stops supporting the First Input Delay (FID) metric that was replaced by Interaction to Next Paint (INP). Quick Hit #18 originally published on CSS-Tricks , which is part of the DigitalOcean family. You should get the newsletter.

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The AI Blues

O'Reilly

A recent article in Computerworld argued that the output from generative AI systems, like GPT and Gemini, isn’t as good as it used to be. It isn’t the first time I’ve heard this complaint, though I don’t know how widely held that opinion is. But I wonder: is it correct? And why? I think a few things are happening in the AI world. First, developers of AI systems are trying to improve the output of their systems.

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