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Systems & Performance

The most popular blog posts about systems & performance on Hacker News. 62 posts.

2009
4

A Unix Utility You Should Know About: Pipe Viewer

Hi all! I'm starting a new article series here. This one is going to be about Unix utilities that you should know about. The articles will discuss one Unix program at a time. I'll try to write a good introduction to the tool and give as many examples as I can think of. The first post in this series is going to be…

10

Tokyo Cabinet DB: Beyond Key-Value Store

It took Ruby some time to go from an infant research project by Matz to a language we've all come to know so well. Now, another Japanese developer ( Mikio Hirabayashi ) has all the potential to repeat this cycle with his new database project: Tokyo Cabinet . Developed and sponsored by Mixi Inc . (Japanese Facebook)…

19

Arbitrary code execution via ldd utility

The `ldd` utility is more vulnerable than you think. It's frequently used by programmers and system administrators to determine the dynamic library dependencies of executables. Sounds pretty innocent, right? Wrong! In this article I am going to show you how to create an executable that runs arbitrary code if it's...

27

JWZ, on Garbage Collection

In a conversation at work about the architecture of a new product, someone made an assertion along the lines of, ``then we'd need to use a garbage collector, and that would hurt performance.''