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New
The latest blog posts to take off on Hacker News. 190 posts.
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ARM64 and You
Ever since the iPhone 5S was announced a couple of weeks ago , the world of tech journalism has been filled with massive quantities of misinformation . Unfortunately, good information takes time, and the world of tech journalism is more about speed than accuracy. Today, as suggested by a variety of readers, I'm going…
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TRESOR Runs Encryption Securely Outside RAM
TRESOR is a secure implementation of AES which is resistant against cold boot attacks. The basic idea behind this implementation is to store the secret key inside CPU registers rather than in RAM.
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Call me maybe: Cassandra
Cassandra is a Dynamo system; like Riak, it divides a hash ring into a several chunks, and keeps N replicas of each chunk on different nodes. It uses tunable quorums, hinted handoff, and active anti-entropy to keep replicas up to date. Unlike the Dynamo paper and some of its peers, Cassandra eschews vector clocks in…
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Scaling Django to 8 Billion Page Views
At more than 8 billion page views per month and 45k requests per second, we’ve learned a couple things about delivering comments at scale.
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Why we moved away from AWS
Blippex — a search engine made by the people, for the people
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Distributed systems for fun and profit
git , Single page HTML , Kindle .mobi , PDF , .epub , HTML for printing , book cover .
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Dropbox disables ASLR on Windows
Dropbox has become a daily part of my life. I rely on it to synchronise data between my growing set of devices. But how much of an impact does it have on the security of my system? I decided to fin…
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Why Cassandra Doesn't Need Vector Clocks
Deepening watsonx capabilities to address enterprise gen AI data needs with DataStax.
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Why do RET instructions have a REPZ prepended on x86?
Recently, we began work on a binary static analysis tool. While reading some disassembly, we came across a weird-looking instruction, that was present in most everything we gave objdump .
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Recycling memory buffers in Go
This blog post is very old now. You probably don't want to use the techniques described here. GO'S sync.Pool is a better way to go.
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Beautiful Native Libraries
A guide on writing beautiful native libraries in C or C++ that compile to native code.
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Rewriting a large production system in Go
My team at Google is wrapping up an effort to rewrite a large production system (almost) entirely in Go . I say "almost" because one compon...
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Update on STM
Hi all, A quick update on Software Transactional Memory. We are working on two fronts. On the one hand, the integration of the "c4" C l...
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Starbucks Does Not Use Two-Phase Commit (2004)
People often criticize asynchronous messaging solutions as too complicated and cumbersome
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Samsung's exFAT Linux driver officially released as GPL
Conservancy's GPL Compliance Project for Linux Developers is pleased to announce its role in assisting Samsung in a recent public compliance issue. The compliance issue was brought to Conservancy's attention when source code of an exFAT filesystem driver for Linux was unintentionally released via GitHub, and…
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Hacking the OS X Kernel for Fun and Profiles
My last post described how user-level CPU profilers work, and specifically how Google’s pprof profiler gathers its CPU profiles with the help of the operating system. The specific feature needed from the operating system is the profiling timer provided by setitimer (2) and the SIGPROF signals that it delivers.
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PingFS
shysecurity blog
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