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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 Wednesday November 14, 2018
      Five years ago when Google published The Datacenter as a Computer: Designing Warehouse-Scale Machines it was a manifesto declaring the world of computing had changed forever. Hop aboard or be left behind at the station. Since then the world has chosen to ride along with Google. The world is still changing, so Google ... Continue Reading »
  • Posted on Friday November 09, 2018
    Wake up! It's HighScalability time:   @b0rk   Do you like this sort of Stuff? Please support me on Patreon. I'd really appreciate it. Know anyone looking for a simple book explaining the cloud? Then please recommend my well reviewed (30 reviews on Amazon and 72 on Goodreads!) book: Explain the Cloud Like I'm 10. They'll love it and ... Continue Reading »
  • Posted on Wednesday November 07, 2018
    This article is a chapter from my book Explain the Cloud Like I'm 10. It has 30 reviews on Amazon! If you like this chapter then you'll love the book.     The cloud is always busy proactively working for you in the background. That’s how cloud services compete with each other to keep ... Continue Reading »
  • Posted on Friday November 02, 2018
    Wake up! It's HighScalability time: Here's a dystopian vision of the future: A real announcement I recorded on the Beijing-Shanghai bullet train. (I've subtitled it so you can watch in silence.) pic.twitter.com/ZoRWtdcSMy — James O'Malley (@Psythor) October 29, 2018   "The future is already here – it's just not evenly distributed." — William Gibson    Do you ... Continue Reading »
  • Posted on Friday October 26, 2018
    Wake up! It's HighScalability time:   Sometimes old school is best.   Do you like this sort of Stuff? Please support me on Patreon. I'd really appreciate it. Know anyone looking for a simple book explaining the cloud? Then please recommend my well reviewed book: Explain the Cloud Like I'm 10 (30 reviews!). They'll love it and ... Continue Reading »
  • Posted on Friday October 19, 2018
    Hey, wake up! It's HighScalability time:   Now that's a cloud! The largest structure ever found in the early universe. The proto-supercluster Hyperion may contain thousands of galaxies or more. (Science)   Do you like this sort of Stuff? Please support me on Patreon. I'd really appreciate it. Know anyone looking for a simple book explaining ... Continue Reading »
  • Posted on Friday October 12, 2018
      There's good news and bad news. The bad news is I'm out sick so there's won't be a post this week. The good news? There will be that much more for next week! Bored? There are a lot of past issues of Stuff the Internet Says to keep you company. Continue Reading »
  • Posted on Friday October 05, 2018
    Hey, wake up! It's HighScalability time:   Halloween is early. Do you know what's hiding inside your computer? Probably not. (bloomberg) Do you like this sort of Stuff? Please support me on Patreon. I'd really appreciate it. Know anyone looking for a simple book explaining the cloud? Then please recommend my well reviewed book: Explain the Cloud ... 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 »
  • 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 ... 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. ... Continue Reading »
  • Posted on Tuesday February 04, 2014
    The public cloud storage services like Amazon S3, Google Cloud Storage and Windows Azure Storage replicate the data to ensure high availability. On the other hand, with data being replicated, the storage services exhibits certain data consistency models. Different cloud service providers employ different data consistency models nowadays. In this ... 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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