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Here is a collection of articles and news on scalable systems. The links are updated via RSS sources. You can subscribe to this page via RSS feed or by email.

  • Posted on Monday March 30, 2020
    Who's Hiring?  InterviewCamp.io has hours of system design content. They also do live system design discussions every week. They break down interview prep into fundamental building blocks. Try out their platform. Scrapinghub is hiring a Senior Software Engineer (Big Data/AI). You will be designing and implementing distributed systems: large-scale web crawling ... Continue Reading »
  • Posted on Friday March 27, 2020
    Hey, it's HighScalability time!   Awesome explanation of how to build a PID controller to fly a rocket! (BPS.space via Orbital Index)   Do you like this sort of Stuff? Without your support on Patreon this kind of Stuff can't happen. You are that important to the fate of the intelligent world. Know someone who wants to understand ... Continue Reading »
  • Posted on Tuesday March 24, 2020
    Who's Hiring?  Scrapinghub is hiring a Senior Software Engineer (Big Data/AI). You will be designing and implementing distributed systems: large-scale web crawling platform, integrating Deep Learning based web data extraction components, working on queue algorithms, large datasets, creating a development platform for other company departments, etc. - this is going to ... Continue Reading »
  • Posted on Tuesday March 17, 2020
    Who's Hiring?  Sisu Data is looking for machine learning engineers who are eager to deliver their features end-to-end, from Jupyter notebook to production, and provide actionable insights to businesses based on their first-party, streaming, and structured relational data. Apply here. Triplebyte lets exceptional software engineers skip screening steps at hundreds of top ... Continue Reading »
  • Posted on Friday March 13, 2020
    p>Hey, it's HighScalability time!   The top 10,000 most spoken words in English represented by a point in hundreds of dimensions where the distance and direction between points encodes the relationship between words. (roadmaps)   Do you like this sort of Stuff? Without your support on Patreon this kind of Stuff can't happen. You are that ... Continue Reading »
  • Posted on Tuesday March 03, 2020
    Who's Hiring?  Are you looking to improve how you hire technical talent? Essilen Research's free video series can help. Fix common issues in screening, interviewing, closing and on-boarding. Learn how world-class tech companies crush the hiring game! Sisu Data is looking for machine learning engineers who are eager to deliver their ... Continue Reading »
  • Posted on Friday February 28, 2020
    Wake up! It's HighScalability time:   The Smithsonian has million of pieces of delicious open access content. I ate up this 3D representation of the 1903 Wright Flyer.    Do you like this sort of Stuff? Without your support on Patreon this kind of Stuff won't happen. That's how important you are to the fate of the ... Continue Reading »
  • Posted on Monday February 24, 2020
      I was emailing a service about their documentation and while their doc was good, about one particularly tricky concept they told me that once you use it for a while, that’s when you’ll understand it. In other words: you’ll only understand it after you understand it. I didn’t like that response. I ... Continue Reading »
  • Posted on Wednesday February 19, 2020
        Jim Keller recently gave a fascinating and far ranging interview on the AI Podcast. You can find it at Moore's Law, Microprocessors, Abstractions, and First Principles. One of the many topics of discussion was the often predicted death of Moore's Law. In case you've never heard of Jim Keller before, from this intro ... Continue Reading »
  • Posted on Tuesday February 18, 2020
    Who's Hiring?  Are you looking to improve how you hire technical talent? Essilen Research's free video series can help. Fix common issues in screening, interviewing, closing and on-boarding. Learn how world-class tech companies crush the hiring game! Sisu Data is looking for machine learning engineers who are eager to deliver their ... Continue Reading »
  • Posted on Tuesday January 28, 2020
    OneDrive is one of the good cloud storage services available and there is a business version called OneDrive for Business. Microsoft’s Office 365 plan is widely used including Exchange Email service and OneDrive for Business. However, there is no official client released yet for Linux users. Insync is a third ... Continue Reading »
  • Posted on Tuesday November 27, 2018
    Reading: Years in Big Data. Months with Apache Flink. 5 Early Observations With Stream Processing: https://data-artisans.com/blog/early-observations-apache-flink. The article suggest adopting the right solution, Flink, for big data processing. Flink is interesting and built for stream processing. The broader view and take away may be to solve problems using the right ... Continue Reading »
  • Posted on Saturday March 24, 2018
    How to deactivate a LVM logical volume activated by #vgchange -aay on Linux You may need to make a LVM volume group inactive and thus unknown to the kernel. To deactivate a volume group, use the -a (--activate) argument of the vgchange command. To deactivates the volume group vg, use ... Continue Reading »
  • Posted on Saturday March 24, 2018
    One of HDFS cluster’s hdfs dfsadmin -report reports: Under replicated blocks: 139016 Blocks with corrupt replicas: 9 Missing blocks: 0 The “Under replicated blocks” can be re-replicated automatically after some time. How to handle the missing blocks and blocks with corrupt replicas in HDFS? Understanding these blocks A block is ... Continue Reading »
  • Posted on Saturday November 25, 2017
    Introduction Load balance is used to rebalance the whole system resources (eg, CPU, memory, etc) so that system performance, scalability (in terms of no matter how many processes contend) and usability (in terms of idle resources can be used up immediately) will be improved. In this article, I mainly present ... Continue Reading »
  • Posted on Saturday September 09, 2017
    The encoding of x86 and x86-64 instructions is well documented in Intel or AMD’s manuals. However, they are not quite easy for beginners to start with to learn encoding of the x86-64 instructions. In this post, I will give a list of useful manuals for understanding and studying the x86-64 ... Continue Reading »
  • Posted on Saturday September 09, 2017
    The metadata checkpointing in HDFS is done by the Secondary NameNode to merge the fsimage and the edits log files periodically and keep edits log size within a limit. For various reasons, the checkpointing by the Secondary NameNode may fail. For one example, HDFS SecondaraNameNode log shows errors in its ... Continue Reading »
  • Posted on Sunday August 27, 2017
    Introduction In general, if we want to debug Linux Kernel, there are lots of tools such as Linux Perf, Kprobe, BCC, Ktap, etc, and we can also write kernel modules, proc subsystems or system calls for some specific debugging aims. However, if we have to instrument kernel to achieve our ... Continue Reading »
  • Posted on Saturday August 26, 2017
    Introduction As we know, network subsystems are important in computer systems since they are I/O systems and need to be optimized with many algorithms and skills. This article will introduce how QEMU/KVM [2] network part works. In order to put everything simple and easy to understand, we will begin with ... Continue Reading »
  • Posted on Sunday August 20, 2017
    Abstract Most popular task monitor systems (such as top, iotop, proc, etc) can only get tasks’ disk I/O information like tasks’ I/O utilization percentage every seconds due to kernel timer/tick frequency and high time cost of system interfaces. This article presents I/O Microscopy, a new way to get tasks’ disk ... Continue Reading »
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2 comments:

  1. Note for blog authors: if you do not want your articles appear here (we just post a excerpt, not the full content), please drop me a message and I will delete them. If you have good suggestions on blogs/sites (with a RSS feed) to add to this list, please also let me know.

  2. Yeah, the poll() function is broken on MacOS and therefore is not supported in Python for the Mac.The select library supports other polling mechanisms; it essentially exposes whatever the OS supports. Let me look into an update to the code that will use kevent on Macs.

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