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Understanding, detecting and localizing partial failures in large system software

The Morning Paper

This approach is limited by what requestors can observe externally… To expose partial failures, a detector needs to exercise specific code regions with carefully-chosen payloads. So the approach taken by the authors is to use intrinsic watchdogs – these run concurrently with the main program inside the same process.

Systems 98
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Advent Calendars For Web Designers And Developers (December 2021 Edition)

Smashing Magazine

JVM Programming Advent Calendar. The Java Advent 2021 is here! The project started in 2012 with the idea of providing technical content during the Christmas Advent period, so keep looking for nice things under the Java Christmas tree! Amy Dutton on Twitter. If you prefer a puzzle over an article, take a look at Advent of Code.

Design 108
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BPF Theremin, Tetris, and Typewriters

Brendan Gregg

Starting with other interfaces is like writing your first Java program in [JVM bytecode]. You can.but if you're looking for an educational exercise, I'd recommend using BPF tools to find performance wins. bpftrace became even more powerful on Linux 5.3, On the topic of tracing keystrokes, David S.

C++ 52
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BPF Theremin, Tetris, and Typewriters

Brendan Gregg

Starting with other interfaces is like writing your first Java program in [JVM bytecode]. You can.but if you're looking for an educational exercise, I'd recommend using BPF tools to find performance wins. bpftrace became even more powerful on Linux 5.3, On the topic of tracing keystrokes, David S.

C++ 52
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The Pursuit of Appiness

Alex Russell

Why are iOS apps "direct metal" binaries while Android apps use Java runtimes? "Appiness" is an illusion, an arbitrary line drawn to include programs built on some platforms but not others, and all of today's OSes allow multiple platforms to expose "real apps." Is one of these more (or less) "an app"?

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Teaching rigorous distributed systems with efficient model checking

The Morning Paper

Hence the DSLabs framework integrates model checking into a holistic distributed systems development environment (based on Java as the implementation language – it would be neat to see a Rust version!). Consider the lab exercise to implement Paxos. Clients are also implemented as Node s. Testing and model checking.

Systems 43