Best of 2019

The blog posts Hacker News loved most in 2019. 2,170 posts.

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1862

AWS VPC Traffic Mirroring

Running a complex network is not an easy job. In addition to simply keeping it up and running, you need to keep an ever-watchful eye out for unusual traffic patterns or content that could signify a network intrusion, a compromised instance, or some other anomaly. VPC Traffic Mirroring Today we are launching VPC…

1870

Swift 5 Exclusivity Enforcement

The Swift 5 release enables runtime checking of “Exclusive Access to Memory” by default in Release builds, further enhancing Swift’s capabilities as a safe language. In Swift 4, these runtime checks were only enabled in Debug builds. In this post, I’ll first explain what this change means for Swift developers before…

1872

JIT and Ruby's MJIT

If you already know lots about JIT in general and Ruby’s MJIT in particular… you may not learn much new in this post. But in case you wonder “what is JIT?” or “what is MJIT?” or “what’s different about Ruby’s JIT?” or perhaps “why in the world did they decide to do THAT?”… Well then, perhaps I can

1873

YC Fall Hackathon 2019

This November we’re hosting a hackathon at YC. You can find out more about the event and apply here [https://apply.ycombinator.com/events/236]. Applications close on 10/25/19 at 11:59PM PST. We’ll send out the first round of acceptances shortly afterward. The top team will get a YC interview and the top three teams…

1874

Jepsen: YugaByte DB 1.1.9

2019-04-10: The long fork test used in this analysis contained a bug which caused it to (in many cases) fail to identify long fork anomalies. We have re-checked YugaByte DB 1.1.15.0-b16 with a corrected checker, and its long fork tests still pass.