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  • Latency numers every programmer should know

    calendar Aug 23, 2023 · 2 min read
     en featured knowledgebase lang retro-computing software
     ·
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    Latency numers every programmer should know

    Modern computer are very very very fast. C/64 was about 1Mhz and you can hangs it just throwing a 10.000 cycle in interpreted BASIC v2 language.


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  • Resource tuning in K8s

    calendar Sep 4, 2023 · 4 min read
     devops en  · k8s
     ·
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    Resource tuning in K8s

    K8s and limits

    On K8s, for every pod you can define how much memory and CPU the pod needs. To make things "simpler", K8s define two set of values: requests and limits, both for CPU and memory. After some trouble on GCP, I was forced to dig a bit in the subject.

     


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  • About the end of the World and Windows95

    calendar Sep 13, 2023 · 1 min read
     en  · relax
     ·
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    God summons Bill Clinton, Boris Yeltsin, and Bill Gates to his office and tells them: “I have called you to announce the end of the world: it has been set by me for midnight on December 31, '95. Go and communicate the good news to the world.”

    Yeltsin gathers the Duma and says: “Dear comrades, I have two bad news to give you: the first is that God exists, the second that the end of the world has been set for December 31, 95.”


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  • Healthcheck

    calendar Sep 15, 2023 · 2 min read
     devops en featured  · docker docker-compose k8s
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    Healthcheck

    I am always amused on how complex K8s/Docker Swarm are, and how easy “plain” docker is.


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  • Pesky Remote Meetings Take 2

    calendar Sep 24, 2023 · 3 min read
     en  · meeting
     ·
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    There is a funny article called “I’m OK; The Bull Is Dead” I want to use as incipit for this post.


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  • Create your changelogs in a professional way

    calendar Oct 4, 2023 · 1 min read
     automation en  · git
     ·
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    I love the super professional Changelogs you see in a lot of open source project.


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  • addCiarpame: Automate your K8s configuration automation

    calendar Oct 6, 2023 · 3 min read
     automation devops en  · k8s
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    addCiarpame: Automate your K8s configuration automation

    Context: Spring microservice application to be deployed on K8s via helm + boring Friday

    In this scenario, you end up writing the SAME configuration string in a lot of places:

    1. On at least 2 application.properties (main and test)
    2. On the final, helm-generated application properties (or in the relevant environment variable if you use them in place (1))
    3. On the default K8s values.yaml used by helm. Possibly on other yaml file too, all documented a bit to be kindly with the K8s SRE.
    4. On the relevant Java code, as a @Value annotation to finally use that damn config.
    These configuration are not particular exciting: they are all similar, some case can change but, really, ChatGPT could do it for you. If you have 4 parameters, you end up losing half an hour to do everything and test it. We can do better, for sureTM
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  • Spring Dev Tools vs JRebel

    calendar Oct 8, 2023 · 1 min read
     automation en  · spring spring-boot
     ·
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    There is very handy feature of SpringBoot which is called Dev tools. Dev tools enable hot reloading of spring-boot- based application every time your IDE recompile the code.


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  • Why BG3 is a success: Divinity: Original Sin II versus CyberPunk2077

    calendar Oct 26, 2023 · 3 min read
     en reviews software  · good
     ·
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    I am playing to Divinity: Original Sin II  (D:OS2) which is the game done before Baldur’s Gate 3 (BG3) by Larian Studios

    BG3 is a success despite its launch was anticipated in August to avoid head-to-head competition Starfield. If we compare the success of  BG3 with CyberPunk2077 launch failure, I think we can learn something about software developing PLANNING.

    Divinity games are a tactical game with a lot of freedom, you can take things, combine them, and solve quests with different approaches (brute forces, talks with different paths,  etc). For instance you can try to open a door with a key, with a burglar kit, or bashing it until it is destroyed (more long but feasible).

     


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  • Alpine vs Busybox: how to wget in K8s

    calendar Nov 10, 2023 · 1 min read
     devops en  · docker k8s
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    Alpine vs Busybox:  how to wget in K8s

    In the last projects, I get used to use K8s CronJob(s) to schedule tasks.


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    Last updated:2025-06-04 02:00
    Giovanni Giorgi

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