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        <title>Javier Guzman</title>
        <link>https://guzman.dev</link>
        <description>Thoughts on software engineering, infrastructure, and building products.</description>
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            <title>Javier Guzman</title>
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        <copyright>All rights reserved 2026, Javier Guzman</copyright>
        <item>
            <title><![CDATA[Thoughts about innovation]]></title>
            <link>https://guzman.dev/articles/thoughts-about-innovation</link>
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            <pubDate>Fri, 26 Jun 2026 00:00:00 GMT</pubDate>
            <description><![CDATA[A recruiter told me some hiring managers see my entrepreneurial past as a risk. That got me thinking about whether the average tech company is actually innovating at all.]]></description>
            <author>claude@mail.guzman.dev (Javier Guzman)</author>
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            <title><![CDATA[A conspiracy theory about tech layoffs]]></title>
            <link>https://guzman.dev/articles/tech-layoffs-theory</link>
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            <pubDate>Tue, 23 Jun 2026 00:00:00 GMT</pubDate>
            <description><![CDATA[I have a crazy theory about tech layoffs: what if companies act like whales in a market, moving in unison to drive scarcity and keep salaries down?]]></description>
            <author>claude@mail.guzman.dev (Javier Guzman)</author>
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        <item>
            <title><![CDATA[Prometheus breadcrumbs 5]]></title>
            <link>https://guzman.dev/articles/prometheus-breadcrumbs-5</link>
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            <pubDate>Tue, 03 Mar 2026 00:00:00 GMT</pubDate>
            <description><![CDATA[This is the last of my Prometheus breadcrumbs series where I'm gonna briefly talk about rate operators, subqueries and push gateway.]]></description>
            <author>claude@mail.guzman.dev (Javier Guzman)</author>
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            <title><![CDATA[Prometheus breadcrumbs 4]]></title>
            <link>https://guzman.dev/articles/prometheus-breadcrumbs-4</link>
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            <pubDate>Thu, 26 Feb 2026 00:00:00 GMT</pubDate>
            <description><![CDATA[Following my Prometheus breadcrumbs series I'm gonna talk about aggregation and vector matching.]]></description>
            <author>claude@mail.guzman.dev (Javier Guzman)</author>
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            <title><![CDATA[Prometheus Breadcrumbs 3]]></title>
            <link>https://guzman.dev/articles/prometheus-breadcrumbs-3</link>
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            <pubDate>Thu, 19 Feb 2026 00:00:00 GMT</pubDate>
            <description><![CDATA[Last week we spoke about labels in Prometheus. This week I'm gonna talk about scalability, that's where all the meat is when we talk about infrastructure.]]></description>
            <author>claude@mail.guzman.dev (Javier Guzman)</author>
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            <title><![CDATA[Prometheus Breadcrumbs 2]]></title>
            <link>https://guzman.dev/articles/prometheus-breadcrumbs-2</link>
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            <pubDate>Wed, 11 Feb 2026 00:00:00 GMT</pubDate>
            <description><![CDATA[Last week I explained the types of metrics Prometheus can handle. This week I'll just speak briefly about labels.]]></description>
            <author>claude@mail.guzman.dev (Javier Guzman)</author>
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            <title><![CDATA[Prometheus Breadcrumbs 1]]></title>
            <link>https://guzman.dev/articles/prometheus-breadcrumbs-1</link>
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            <pubDate>Thu, 05 Feb 2026 00:00:00 GMT</pubDate>
            <description><![CDATA[Starting a series about Prometheus, specifically the different types of metrics you can find in Prometheus and what they are used for.]]></description>
            <author>claude@mail.guzman.dev (Javier Guzman)</author>
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            <title><![CDATA[Cilium breadcrumbs 4]]></title>
            <link>https://guzman.dev/articles/cilium-breadcrumbs-4</link>
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            <pubDate>Wed, 24 Dec 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[Last week I posted IPAM modes in Cilium. This week's breadcrumbs continue with Cilium and is about Load Balancing, or in other words, how Cilium can replace your MetalLB.]]></description>
            <author>claude@mail.guzman.dev (Javier Guzman)</author>
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            <title><![CDATA[Cilium Breadcrumbs 3]]></title>
            <link>https://guzman.dev/articles/cilium-breadcrumbs-3</link>
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            <pubDate>Thu, 18 Dec 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[Last week I posted routing modes of Cilium within Kubernetes. This week's breadcrumbs are about IP Allocation modes, correct name is IP Address Management (IPAM).]]></description>
            <author>claude@mail.guzman.dev (Javier Guzman)</author>
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            <title><![CDATA[Cilium breadcrumbs 2]]></title>
            <link>https://guzman.dev/articles/cilium-breadcrumbs-2</link>
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            <pubDate>Tue, 09 Dec 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[Last week I posted main components of Cilium within Kubernetes. This week's breadcrumbs are about routing modes.]]></description>
            <author>claude@mail.guzman.dev (Javier Guzman)</author>
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            <title><![CDATA[Cilium Breadcrumbs 1]]></title>
            <link>https://guzman.dev/articles/cilium-breadcrumbs-1</link>
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            <pubDate>Tue, 02 Dec 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[For the ones who don't know Cilium, it's a CNI i.e. Container Network Interface. For mere mortals this means it's the guy who handles the network stuff within Kubernetes.]]></description>
            <author>claude@mail.guzman.dev (Javier Guzman)</author>
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            <title><![CDATA[The cold start problem]]></title>
            <link>https://guzman.dev/articles/cold-start-problem</link>
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            <pubDate>Wed, 06 Aug 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[Considering I'm building up a social network app, I decided to read the book The Cold Start Problem in order to learn more about social networks.]]></description>
            <author>claude@mail.guzman.dev (Javier Guzman)</author>
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        <item>
            <title><![CDATA[More about requests IDs]]></title>
            <link>https://guzman.dev/articles/distributed-tracing-request-ids</link>
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            <pubDate>Sun, 13 Jul 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[Previously we have mentioned about requests IDs to avoid mutating the backend state twice due to a network problem. But there is more about it.]]></description>
            <author>claude@mail.guzman.dev (Javier Guzman)</author>
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            <title><![CDATA[Your backend takes too long to answer]]></title>
            <link>https://guzman.dev/articles/long-running-operations</link>
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            <pubDate>Wed, 18 Jun 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[One thing I've observed is that people make APIs like they are a ping-pong game. Literally they design all endpoints to respond as soon as possible.]]></description>
            <author>claude@mail.guzman.dev (Javier Guzman)</author>
        </item>
        <item>
            <title><![CDATA[The problem about API retry requests]]></title>
            <link>https://guzman.dev/articles/api-retry-requests</link>
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            <pubDate>Wed, 21 May 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[Probably you were doing this mistake in your backend. When things go wrong and there are network connection problems, there are two possible scenarios.]]></description>
            <author>claude@mail.guzman.dev (Javier Guzman)</author>
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        <item>
            <title><![CDATA[Is your database or backend doing strange or unexpected things?]]></title>
            <link>https://guzman.dev/articles/optimistic-locking</link>
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            <pubDate>Wed, 14 May 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[Welcome to race conditions. Imagine you are about to eat a piece of cake, your fork is going closer and closer to your mouth, when suddenly, you are called and you switch your attention to somewhere else.]]></description>
            <author>claude@mail.guzman.dev (Javier Guzman)</author>
        </item>
        <item>
            <title><![CDATA[Are AI leaders bad for humanity?]]></title>
            <link>https://guzman.dev/articles/are-ai-leaders-bad-for-humanity</link>
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            <pubDate>Mon, 07 Apr 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[I was listening a podcast where one of the most influential persons in the world of AI was interviewed. What caught my attention is that it was all reduced to science or computation.]]></description>
            <author>claude@mail.guzman.dev (Javier Guzman)</author>
        </item>
        <item>
            <title><![CDATA[Is someone building something like this for AI?]]></title>
            <link>https://guzman.dev/articles/ai-contract-annotations</link>
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            <pubDate>Tue, 01 Apr 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[One flaw that AI has right now is the lack of full context. Not being aware of the whole context makes the AI err because it simply doesn't know better.]]></description>
            <author>claude@mail.guzman.dev (Javier Guzman)</author>
        </item>
        <item>
            <title><![CDATA[What it's technology readiness level and how could impact AI adaptation]]></title>
            <link>https://guzman.dev/articles/technology-readiness-levels-and-ai</link>
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            <pubDate>Sat, 22 Mar 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[Even though I believe AI is going to plateau before the next real jump in the technology, I think there is still more room for AI usage before that happens.]]></description>
            <author>claude@mail.guzman.dev (Javier Guzman)</author>
        </item>
        <item>
            <title><![CDATA[About Product Adoption]]></title>
            <link>https://guzman.dev/articles/about-product-adoption</link>
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            <pubDate>Fri, 07 Mar 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[Last few days I have been thinking into product adoption, why some products succeed while others fail and a crazy idea has just come to my head.]]></description>
            <author>claude@mail.guzman.dev (Javier Guzman)</author>
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