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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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Down the 'ls' Rabbit Hole
By: Adam Fletcher ( @adamfblahblah ) From ls(1) to the kernel and back again. Too often sysadmins are afraid to dive into the sou...
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Linux Kernel Tuning for C500k
Explore the Airship blog for insights on mobile marketing, cross-channel messaging, personalization, customer engagement, and CX best practices.
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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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Realtime encoding - over 150x faster
We are excited to announce real-time encoding, allowing videos to be encoded while they are still uploading and effectively making encoding 150 times faster!
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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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