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Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 52 posts.
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FreeBSD/EC2 lives
There are some caveats to this. First, at the moment only FreeBSD 9.0-CURRENT can run under EC2; I haven't merged bug fixes back to the stable branches. Second, at the moment FreeBSD only runs on t1.micro instances, for reasons I can't discuss (NDA) but hope will be resolved soon. Third, this code hasn't received very…
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Unix recovery legend
It was a quiet Wednesday afternoon. Wednesday, 1st October, 15:15 BST, to be precise, when Peter, an office-mate of mine, leaned away from his terminal and said to me, " Mario, I'm having a little trouble sending mail. " Knowing that msg was capable of confusing even the most capable of people, I sauntered over to his…
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PostgreSQL 9.0 - Hot Standby, Streaming Replication
The BIG feature. The feature that made PostgreSQL leap from 8.4 to 9.0. Patch was written by Fujii Masao, and committed by Heikki Linnakangas on 15th of January 2010:
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Using MySQL as a NoSQL - A story for exceeding 750,000 qps on a commodity server
UPDATE: Oracle officially released memcached daemon plugin that talks with InnoDB. I'm glad to see that NoSQL+MySQL has become an official ...
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NoSQL vs. RDBMS: Let the flames begin
I’ve been getting solidly flamed recently, as have my former coworkers at Digg, my friends at Twitter, etc. about our adoption and promotion of various NoSQL storage systems. It seems that some DBAs are very, very upset that us internet kids are considering abandoning SQL’s ship. I’m not here to throw out a bunch of…
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Mysql "Swap Insanity"
Update: Also read A brief update on NUMA and MySQL. The “swap insanity” problem, in brief When running MySQL on a large system (e.g., 64GB RAM and dual quad core CPUs) with a large Inno…
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ZeroMQ: Modern & Fast Networking Stack
Berkeley Sockets (BSD) are the de facto API for all network communication. With roots from the early 1980's, it is the original implementation of the TCP/IP suite, and arguably one of the most widely supported and critical components of any operating system today. BSD sockets that most of us are familiar with are…
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Systems Programmers Relax - Most Programming Advice Isn't For You
I'm an incredibly slow programmer (in the hobby projects I do for the love of it, that is). My ratio of thinking to typing must be around 10...
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Everything you never wanted to know about file locking
1. Nobody really knows how to do it 2. If you think you have a reliable system for doing it, you're probably doing the computer's job -- "...
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Computing at scale, or, how Google has warped my brain
A number of people at Google have stickers on their laptops that read "my other computer is a data center." Having been at Google for almost...
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You can’t beat a good compiler…. right?
It is extremely well worn conventional wisdom that for your “average” programmer, it’s pretty much impossible to beat a good optimizing compiler at writing fast code. For those who skip the “understanding” part, and jump straight into the “application” part, this rule of thumb tends to be grossly misunderstood, and…
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Paul Buchheit: The Cloud OS
My recent remark about the future of ChromeOS generated a surprisingly passionate response . Some said that my prediction was obvious and b...