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IOzone Performance Exploration, Part 2

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In our previous Part 1 of this series we looked at the IOzone performance for ext3, ext4, and reiser4 using larger size record lengths (1MB, 4MB, 8MB, 16MB). The results are interesting because they unexpectedly showed some trends in performance that are independent of the file system. These observations are important if you take the results from a single record size run of IOzone and apply it to other record sizes (which you shouldn’t do).

In this article the number of file systems is extended to add most of the major file systems in Linux, even the experimental ones. This article adds ext2, jfs, xfs, btrfs, and reiserfs. As with the metadata benchmarks the purpose of this study is not to compare file systems and pick the “best” one (insert your definition of “best”). Rather, this study is an exploration of the performance of various Linux file systems using a single throughput benchmark. So the focus of this article is to explore how Linux file systems perform when IOzone is the benchmark.

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GNU/Linux Desktop Security

  • How to Safely and Securely Back Up Your Linux Workstation
    Even seasoned system administrators can overlook Linux workstation backups or do them in a haphazard, unsafe manner. At a minimum, you should set up encrypted workstation backups to external storage. But it’s also nice to use zero-knowledge backup tools for off-site/cloud backups for more peace of mind. Let’s explore each of these methods in more depth. You can also download the entire set of recommendations as a handy guide and checklist.
  • Google zero-trust security framework goes beyond passwords
    With a sprawling workforce, a wide range of devices running on multiple platforms, and a growing reliance on cloud infrastructure and applications, the idea of the corporate network as the castle and security defenses as walls and moats protecting the perimeter doesn’t really work anymore. Which is why, over the past year, Google has been talking about BeyondCorp, the zero-trust perimeter-less security framework it uses to secure access for its 61,000 employees and their devices.

Leftovers: Gaming