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Command-line tools can be faster than your Hadoop cluster
Adam Drake is an advisor to scale-up tech companies. He writes about ML/AI/data, leadership, and building tech teams.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 165 posts.
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Call Me Maybe: MongoDB Stale Reads
Please note: our followup analysis of 3.4.0-rc3 revealed additional faults in MongoDB’s replication algorithms which could lead to the loss of acknowledged documents–even with Majority Write Concern, journaling, and fsynced writes.
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Revised and much faster, run your own high-end cloud gaming service on EC2
Playing Witcher 3, a GPU-intensive game on a 2015 fanless Macbook
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How we ended up with microservices
Microservices are a thing these days.
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A Constructive Look at TempleOS
TempleOS is somewhat of a legend in the operating system community. Its sole author, Terry A. Davis , has spent the past 12 years attempting to create a new operating from scratch. Terry explains that God has instructed him to construct a temple , a 640x480 covenant of perfection. Unfortunately Terry also suffers from…
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Files Are Hard
I haven't used a desktop email client in years. None of them could handle the volume of email I get without at least occasionally corrupting my mailbox. Pine, Eudora, and outlook have all corrupted my inbox, forcing me to restore from backup. How is it that desktop mail clients are less reliable than gmail, even…
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Stop using gzip
Everytime you download a tar.gz, Zod kills a kitten. Everytime you generate a tar.gz, well, let's keep this family-safe. In 2015, there s...
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Call me maybe: Aerospike
Previously, on Jepsen, we reviewed Elasticsearch’s progress in addressing data-loss bugs during network partitions. Today, we’ll see Aerospike 3.5.4, an “ACID database”, react violently to a basic partition.
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We have broken HTTP
If you’re a web developer, then you owe your job to HTTP. You should probably know more about it than you do.
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Google fixes nearly decade-old Linux kernel TCP bug
The Google transport networking crew (QUIC, TCP, etc..) deserve a shout out for identifying and fixing a nearly decade old Linux kernel TCP ...
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Samsung disabling Windows Update?
Last updated 6/26/2015 - 4:49 PM EST. -- Windows Update will be abbreviated as "WU" in text from myself. First of all, I had this incl...
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What's New in CPUs Since the 80s and How Does It Affect Programmers?
My mental model of CPUs is stuck in the 1980s: basically boxes that do arithmetic, logic, bit twiddling and shifting, and loading and storing things in memory. I'm vaguely aware of various newer developments like vector instructions (SIMD) and the idea that newer CPUs have support for virtualization (though I have no…
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How a little bit of TCP knowledge is essential
Why you should understand (a little) about TCP
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Call Me Maybe: MariaDB Galera Cluster
Previously, on Jepsen, we saw Chronos fail to run jobs after a network partition . In this post, we’ll see MariaDB Galera Cluster allow transactions to read partially committed state.
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Intel x86 considered harmful – survey of attacks against x86 over last 10 years
Back in summer I have read a new bookpublished by one of the core Intel architects about the Management Engine (ME).I didn’t quite like what I read there. In...
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Call me maybe: Elasticsearch 1.5.0
Previously, on Jepsen , we demonstrated stale and dirty reads in MongoDB . In this post, we return to Elasticsearch, which loses data when the network fails, nodes pause, or processes crash.
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Parallel Sequential Scan is Committed to PostgreSQL 9.6
I previously suggested that we might be able to get parallel sequential scan committed to PostgreSQL 9.5. That did not happen. However, I...
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Be your own VPN provider with OpenBSD
Blog about network and security, showing example of Linux iptables and Snort configuration, and Windows security softwares.
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Porting third-party programs to TempleOS
Experienced professional software engineer based in York, UK
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Call Me Maybe: Chronos
Chronos is a distributed task scheduler (cf. cron) for the Mesos cluster management system. In this edition of Jepsen , we’ll see how simple network interruptions can permanently disrupt a Chronos+Mesos cluster
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Arch Linux on MacBook Pro Retina 2014
[Version française] (/2015/01/arch-linux-sur-macbook-pro-retina-2014-avec-dm-crypt-lvm-et-hibernation)