Tue.Oct 15, 2019

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Delta: A Data Synchronization and Enrichment Platform

The Netflix TechBlog

Part I: Overview Andreas Andreakis , Falguni Jhaveri , Ioannis Papapanagiotou , Mark Cho , Poorna Reddy , Tongliang Liu Overview It is a commonly observed pattern for applications to utilize multiple datastores where each is used to serve a specific need such as storing the canonical form of data (MySQL etc.), providing advanced search capabilities (ElasticSearch etc.), caching (Memcached etc.), and more.

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The Marvel of Observability

DZone

Marvel at this article! You may also like: The Observability Pipeline. “[You’ve] been fighting with one arm behind your back. What happens when [you’re] finally set free?” — Paraphrasing Carol Danvers, a.k.a. Captain Marvel. BOOK REVIEW: '' How to Architect and Build Highly Observable Systems'' by Baron Schwartz. Observability is a property of an application or system, not the actual act of analysis.

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Two kernel mysteries and the most technical talk I've ever seen

Brendan Gregg

If you start digging into Linux kernel internals, like function disassembly and profiling, you may run into two mysteries of kernel engineering, as I did: 1. What is this "__fentry__" stuff at the start of _every_ kernel function? Profiling? Why doesn't it massively slow down the Linux kernel? 2. How can Ftrace instrument _all_ kernel functions almost instantly, and with low overhead?

C++ 77
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Why Are Bug Tracking Tools so Important for Testing Teams?

DZone

We've got to keep track of these bugs! Identifying bugs is one of the crucial phases in the software development lifecycle. Tracking the bug ensures quality assurance of software as well as eliminates the risk of post-release glitches. Addressing any software or an app plagued with bugs is the worst nightmare of the testers. Sometimes, the issues or discrepancies are so inconsequential that even the testers fail to track them.

Testing 100
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“I was told to buy a software or lose my computer: I ignored it.” A study of ransomware

The Morning Paper

“I was told to buy a software or lose my computer. I ignored it”: a study of ransomware Simoiu et al., SOUPS 2019. This is a very easy to digest paper shedding light on the prevalence of ransomware and the characteristics of those most likely to be vulnerable to it. The data comes from a survey of 1,180 US adults conducted by YouGov, an online global market research firm.

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Ten-Ton Widgets

CSS - Tricks

At a recent conference talk (sorry, I forget which one), there was a quick example of poor web performance in the form of a third-party widget. The example showed a site that installed the widget in order add a "email us" button fixed to the bottom right of the viewport. Not even a live-chat widget — just an email thing. It weighed in at something like 470KB, which is straight bananas.

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Sponsored Post: Fauna, Sisu, Educative, PA File Sight, Etleap, PerfOps, Triplebyte, Stream

High Scalability

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