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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 January 22, 2018
      Xerox fumbled the future when it invented and then ignored the personal computer. With the Macintosh, Apple created the personal computer the Xerox Alto might have been. Apple is also fumbling the future—the Voice First future. Voice First simply means our primary mode of interacting with computers in the future will ... Continue Reading »
  • Posted on Friday January 19, 2018
    Hey, it's HighScalability time: @swardley   If you like this sort of Stuff then please support me on Patreon. And I'd appreciate your recommending my new book—Explain the Cloud Like I'm 10—to anyone who needs to understand the cloud (who doesn't?). I think they'll like it. Now with twice the brightness and new ... Continue Reading »
  • Posted on Tuesday January 16, 2018
      This is a guest Post by Jake Lumetta, Founder and CEO, ButterCMS, an API-first CMS. For more content like this, follow @ButterCMS on Twitter and subscribe to our blog. Conventional wisdom for startups counsels starting with a monolith, but are there situations where you should start with microservices instead? Interviews with ... Continue Reading »
  • Posted on Friday January 12, 2018
    Hey, it's HighScalability time:  Whiskey still? Chandelier? Sky city? Nope, it's IBM's 50-qubit quantum computer. (engadget)   If you like this sort of Stuff then please support me on Patreon. And I'd appreciate your recommending my new book—Explain the Cloud Like I'm 10—to anyone who needs to understand the cloud (who doesn't?). I ... Continue Reading »
  • Posted on Tuesday January 09, 2018
    Wikimedia Commons   Technology shapes and forms. A Roman war chariot could still ride to battle on a modern road. Songs are typically about 3 minutes long because a 78rpm record held about three minutes of sound per side. So it shouldn't be a surprise streaming—a new technology for distributing ... Continue Reading »
  • Posted on Friday January 05, 2018
    Hey, it's HighScalability time:  All we know about how the universe works. The standard model and mind blowing video.   If you like this sort of Stuff then please support me on Patreon. And I'd appreciate your recommending my new book—Explain the Cloud Like I'm 10—to anyone who needs to understand the cloud (who doesn't?). I think ... Continue Reading »
  • Posted on Monday December 18, 2017
      Explain the Cloud Like I'm 10   “Todd, can you explain ‘The Cloud’? What is it?” I was asked this question at lunch by Joe, a fellow tour member on a recent trip Linda (my wife) and I took to France. It was not a question I was expecting on vacation, but with ... Continue Reading »
  • Posted on Friday December 15, 2017
    Hey, wake up, it's HighScalability time:   Merry Christmas and Happy New Year everyone! I'll be off until the new year. Here's hoping all your gifts were selected using machine learning.   If you like this sort of Stuff then please support me on Patreon. And I'd appreciate your recommending my new book—Explain the Cloud ... Continue Reading »
  • Posted on Monday December 11, 2017
      This article is a chapter from my new book Explain the Cloud Like I'm 10. The first release was written specifically for cloud newbies. I've made some updates and added a few chapters—Netflix: What Happens When You Press Play? and What is Cloud Computing?—that level it up to a couple ticks past ... 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 how ... 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 goals, ... 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 several ... 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 I/O ... Continue Reading »
  • Posted on Tuesday February 14, 2017
    Motivation Recently, I find it is hard to know the percentage of time that one process uses to wait for synchronous I/O (eg, read, etc). One way is to use the taskstats API provided by Linux Kernel [1]. However, for this way, the precision may be one problem. With this problem, ... Continue Reading »
  • Posted on Sunday November 29, 2015
    Amazon S3 is a widely used public cloud storage system. S3 allows an object/file to be up to 5TB which is enough for most applications. The AWS Management Console provides a Web-based interface for users to upload and manage files in S3 buckets. However, uploading a large files that is ... Continue Reading »
  • Posted on Tuesday March 10, 2015
    Retail is one of the most important business domains for data science and data mining applications because of its prolific data and numerous optimization problems such as optimal prices, discounts, recommendations, and stock levels that can be solved using data analysis methods. The rise of omni-channel retail that integrates marketing, ... Continue Reading »
  • Posted on Sunday September 14, 2014
    Hadoop 2 or YARN is the new version of Hadoop. It adds the yarn resource manager in addition to the HDFS and MapReduce components. Hadoop MapReduce is a programming model and software framework for writing applications, which is an open-source variant of MapReduce designed and implemented by Google initially for ... Continue Reading »
  • Posted on Tuesday March 18, 2014
    Benchmarks are important to understand the performance and quantitative and qualitative comparison of different systems. Many analytic frameworks, such as Hive, Impala and Shark, are designed and implemented these years and become fundamental software for processing big data. How to benchmark these big data analytic systems is an interesting problem. The ... 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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