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Machine Learning for Fraud Detection in Streaming Services

Netflix Tech

By Soheil Esmaeilzadeh , Negin Salajegheh , Amir Ziai , Jeff Boote Introduction Streaming services serve content to millions of users all over the world. These services allow users to stream or download content across a broad category of devices including mobile phones, laptops, and televisions.

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Anomaly Detection using Sigma Rules (Part 4): Flux Capacitor Design

Towards Data Science

We implement a Spark structured streaming stateful mapping function to handle temporal proximity correlations in cyber security logs Image by Robert Wilson from Pixabay This is the 4th article of our series. Similarly, our flatMapWithGroupState will accumulate tags (evaluated true/false Sigma expressions) and later release them.

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How DoorDash Migrated from StatsD to Prometheus

DoorDash Engineering

Challenges Faced With StatsD StatsD was a great asset for our early observability needs, but we began encountering constraints such as losing metrics during surge events, difficulties with naming/standardized tags, and a lack of reporting tools. We’ll briefly introduce StatD’s history before diving into those specific issues.

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Introducing Vector Search on Rockset: How to run semantic search with OpenAI and Rockset

Rockset

Before vector search, search experiences primarily relied on keyword search, which frequently involved manually tagging data to identify and deliver relevant results. As an example, if we wanted to search for tagged keywords to deliver product results, we would need to manually tag “Fortnite” as a ”survival game” and ”multiplayer game.”

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How to Package and Price Embedded Analytics

Just by embedding analytics, application owners can charge 24% more for their product. How much value could you add? This framework explains how application enhancements can extend your product offerings. Brought to you by Logi Analytics.

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Building Netflix’s Distributed Tracing Infrastructure

Netflix Tech

Investigating a video streaming failure consists of inspecting all aspects of a member account. In our previous blog post we introduced Edgar, our troubleshooting tool for streaming sessions. We could also get contextual information about the streaming session by joining relevant traces with account metadata and service logs.

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Improved Alerting with Atlas Streaming Eval

Netflix Tech

Ruchir Jha , Brian Harrington , Yingwu Zhao TL;DR Streaming alert evaluation scales much better than the traditional approach of polling time-series databases. Hence, we started down the path of alert evaluation via real-time streaming metrics. Certain operators such as offset , integral , des are not supported on the streaming path.

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