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• Blog [en|fr] : https://blog.arkey.fr/
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Latest blog posts

• 2020-12-11 : Anonymous CompletableFuture threads with burstable pods

  It all started when opening a JFR recording, I noticed a very large and growing number of very short lived threads.
  

• 2020-11-30 : Off-Heap memory reconnaissance

  Understand the RSS of a JVM leveraging the horsepower underneath ps with the help of one or two JVM diagnostic command.
  

• 2020-10-26 : MaxRamPercentage is not what I wished for

  This entry has been marinating for most of the year 2020. I should have published this opinion way earlier maybe end of 2019, but it took me time to realise I should split a bigger piece in smaller articles that hopefully made sense on their own.

• 2020-10-23 : Reads network addresses in /proc

  If you happen to be on a read only container that doesn’t have the usual network utilities, like netstat, ss (socket stat), lsof, etc then your only option is to leverage procfs, however procfs displays some data in hexadecimal.

• 2020-07-27 : Embracing JVM unified logging (JEP-158 / JEP-271)

  Unified logging was introduced in JDK 9, and is available for us all, in the JDK 11 LTS. Like other great serviceability feature (jcmd or JFR) this was inspired by JRockit.

• 2020-06-28 : Using JDK FlightRecorder and JDK Mission Control

  JDK Flight Recorder, the profiler you can use in production, continuously. Flight Recorder has been available before in the JDK, e.g. it shipped as part of the JDK 8, but to use it, it demanded a to set specific commercial VM flags to unlock FlightRecorder, this is not anymore necessary with Java 11.

• 2020-04-23 : Tackling Hugo Integration of Asciidoctor

  Integrate Asciidoctor as everyone should expect While Hugo comes with Asciidoctor support, they are in reality several issues to account for at this time: While basic rendering of asciidoc files works, we soon encounter problems ; the very first

• 2020-04-20 : Migrating From Jekyll to Hugo, deploying with Github Pages

  Moving away form Jekyll. Import is easy, but tackling important details (conserve links to article, conserve comments, migrate some jekyll liquid template, theme tweaking deployment) has been challenging sometime. Motivation When started this blog in 2010 I went like a lot other to Wordpress as this was the one of the most common and easy way to write and publish something, then I got pissed at Wordpress as it was a pain to maintain and to write code, not to mention the speed, it was bad, then Github announced Github Pages, this was a revelation : articles written in pure Markdown, no database or server to maintain, fast writing, fast page thanks to static files.

• 2020-04-01 : Gestion des dotfiles et des secrets avec chezmoi

  Régulièrement il nous arrive d’avoir à re-configurer une nouvelle machine, avec notamment la re-configuration des fichiers du $HOME. Il y a plusieurs approches et outils, faire une simple archive, utiliser git pour le répertoire $HOME, utiliser des outils comme GNU stow, etc.

• 2020-04-01 : Managing dotfiles and secret with chezmoi

  Every once in a while, you may need to bootstrap a new machine, and along with it to reconfigure home directory’s dot files. Various approaches already exist, using simple archive, git the home directory, gnu stow (symlinks), etc.

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